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  1. Fifth Wheel Hitch
  2. Reese
  3. Fixed Fifth Wheel
  4. OEM - GM
  5. 20000 lbs GTW
  6. Premium - Single-Hook Jaw
Reese M5 5th Wheel Trailer Hitch for Chevy/GMC Towing Prep Package - Single Jaw - 20,000 lbs

Reese M5 5th Wheel Trailer Hitch for Chevy/GMC Towing Prep Package - Single Jaw - 20,000 lbs

Item # RP30890
Our Price: $1,057.11
You Save: $536.15
Fifth Wheel Hitch

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Shipping Weight: 149 lbs
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Heavy-duty 5th-wheel hitch has a 1-piece, wraparound jaw and easy-to-see lock indicator for maximum safety and security. Fully articulating head with large landing area and kingpin target make hookup a snap. Mounts to Chevy/GMC OEM underbed platform. 1-800-940-8924 to order Reese fifth wheel hitch part number RP30890 or order online at Free expert support on all Reese products. Great prices and Fastest Shipping for Reese M5 5th Wheel Trailer Hitch for Chevy/GMC Towing Prep Package - Single Jaw - 20,000 lbs. Fifth Wheel Hitch reviews from real customers.
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  • Reviews (420)
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Reese Fifth Wheel Hitch - RP30890

  • Fixed Fifth Wheel
  • Reese
  • OEM - GM
  • 20000 lbs GTW
  • Premium - Single-Hook Jaw
  • Cushioned Double Pivot
  • 5000 lbs Vertical Load
  • 14 - 20 Inch Tall

Heavy-duty 5th-wheel hitch has a 1-piece, wraparound jaw and easy-to-see lock indicator for maximum safety and security. Fully articulating head with large landing area and kingpin target make hookup a snap. Mounts to Chevy/GMC OEM underbed platform.


  • 5th-Wheel hitch mounts in your truck bed so you can tow your 5th-wheel trailer
    • Works with factory-installed 5th-wheel towing prep package from Chevy/GMC
  • Single-piece, always-ready Talon jaw wraps around king pin to ensure proper connection
    • Design offers superior jaw-to-king-pin contact for maximum security and minimum rattle
    • Jaw is always ready to receive so you don't have to open the hitch before hooking up
  • High pin lockout ensures proper engagement
    • Tow/No Tow indicator is visible from cab and next to bed
  • Fully articulating head with extra-large landing area eases hookup and helps to limit chucking
    • V-notch makes it easy to target the king pin as you back up
    • Built-in shock-dampening technology absorbs road shock
  • Ergonomic, easy-to-reach handle lets you secure trailer to hitch with padlock (sold separately)
    • Can be operated with just 2 fingers
  • Wide center section creates solid, stable towing experience
  • Improved cab clearance is achieved with offset design
    • Head can be offset by 1" front or rear
  • 3 Height settings to fit your application
  • Fast, easy installation
    • Drops into the 4 receiver pucks that are built into your factory underbed rails
  • Sturdy steel construction with durable, powder coat finish
    • Zinc handle, latches and jaw resist corrosion


  • Application: 2016 to 2019 Chevy/GMC trucks with factory-installed towing prep package
  • Gross towing weight: 20,000 lbs
  • Vertical load limit: 5,000 lbs
  • Hitch height settings: 14", 16", or 18"
  • Limited lifetime warranty

Forged, Self-Latching Jaw

Self-Latching Jaw

The one-piece jaw on this fifth-wheel hitch provides absolute security with its wraparound design. Increased jaw-to-king-pin contact results in not only a stronger connection, but less noisy rattling and stiff chucking as well.

The jaw is also always ready to receive, so you don't need to use the handle to open it before backing up toward your trailer. As long as the bail pin is removed from the latching handle, the jaw will accept the king pin as it enters the hitch.

Finally, the jaw is self-latching, so it will automatically secure your trailer's king pin when it moves into the jaw.

Quiet, Comfortable Ride

Pivot Bushings

In addition to the tight jaw tolerance, a close connection between the head and the pivot bushings further reduces rattle and movement. And because the pivot bushings are independent from the head, they can be tightened to ensure a strong connection over time.

King Pin Indicator Prevents High Pinning

King Pin Indicator

This M5 hitch features a built-in king pin indicator to ensure proper hookup. This indicator is located on the back of the head along with a V-shaped notch that are both visible from the cab of your truck. The V-notch is lined up with the jaw at the front of the hitch, and can be used as a guiding point to line the king pin up with the jaw as you back up your truck. The jaw also has an internal plate that keeps the king pin from entering if it is too high to enter safely. As a result, the king pin indicator will only change from red to green if the king pin is fully engaged in the jaw.

Easy-to-Use Latching Handle

Lever and Hitch

This hitch's handle is designed for smooth motion and effortless operation. It requires only 2 fingers to use and won't bind up as you pull. In addition, the handle is long, so it's easy to access from outside of your truck bed. And the ergonomic grip makes it comfortable to hold and pull from different angles.

30890 Reese M5 Fifth-Wheel-Trailer Hitch for Chevrolet and General Motors Trucks with Factory Towing Prep Package - 20K

30884 Replacement Head Support for Reese M5 5th Wheel Hitch for Ford Super Duty or Chevy/GM Towing Prep Package - 20K

30892 Reese M5 Fifth Wheel Hitch Head - Single Wrap Around Jaw - 27,000 lbs

30889 Reese M5 Fifth Wheel Trailer Hitch Base - Chevy/GMC

Installation Details RP30890 Installation instructions

This Product Fits The Following Vehicles

California residents: click here

Customer Satisfaction Score:

Customer Reviews

Reese M5 5th Wheel Trailer Hitch for Chevy/GMC Towing Prep Package - Single Jaw - 20,000 lbs - RP30890

Average Customer Rating:  4.5 out of 5 stars   (420 Customer Reviews)

Heavy-duty 5th-wheel hitch has a 1-piece, wraparound jaw and easy-to-see lock indicator for maximum safety and security. Fully articulating head with large landing area and kingpin target make hookup a snap. Mounts to Chevy/GMC OEM underbed platform.

2019 Chevrolet Silverado 3500

I recently purchased a Reese M5 20K hitch for my new Silverado 3500HD, Crew Cab, 8’ bed. As usual, Etrailer pricing was very good and with free shipping to boot. The hitch arrived via UPS in just a few days after placing the order.

Following the detailed instructions provided by Reese, the install into the factory “puck” system, was fairly straight forward. However, a word of caution concerning the install. There are 4 15/16” bolts that need to be torqued to 220-foot pounds and are somewhat difficult to get to. Fortunately, I was able to borrow a torque wrench that would accommodate the recommended foot pounds of torque.

Also, you may have an issue if you need to place the hitch at its highest position. The release handle might protrude above the bed rails of your truck in this position. This will be a problem if you have a bed cover. Reese is/was well aware of this issue and sells an after-market handle that will correct this issue. Etrailer lists this handle on their Web page.

Burt B.




Installed in a 2018 GMC 3500 LB SRW

it was really easy to put together. Its light enough move in and out and very sturdy. I did not have a clearance issue with the Backflip cover regarding the stock handle. See pics.

Just a heads up, I had an issue with the threading in the legs, etrailer was very understanding and sent me out replacements supper fast. I contacted Reese regarding paint guncked up in the threading and they were aware of the issue, they recommended running a wire brush or a tap to clean it out.



One year later. No issues. I get complemens about how easy the hitch is to use, the ability to slide stuff under it, and how much room I still have in the bed with the hitch in. Would buy again.


We have owned the 5th wheel hitch for a year now and absolutely love it! It has been everything we hoped it would be. Sturdy easy to use and would highly recommend it to anyone!



Excellent hitch! Very glad I bought it!


I have the Reese M5 for the Chevy towing package and it works great. No unnecessary movement hooks up easy and fit like a glove. The hitch is a bit more complicated to install than you make sound with getting the prescribed 220’ lbs of torque required but we got and it works great. And thanks to Molly E for getting our order straight and here when we needed it.

2018 GMC Sierra 3500

Shipping was quick , but was missing some hardware to assemble.

Etrailer Expert

Jenny N.


Thank you for bringing this to our attention. I will have our customer service team reach out to you.



Im not liking it ! The pins that hold the unit on came out several times and had to put bolts in place . The plate doesnt move enough for my liking when backing in .

2018 Chevrolet Silverado 3500

Wow what a great job you guys did! I received the new hitch on time an with all parts required to put it together.


2019 Chevrolet Silverado 2500

Droppedsides into pucks, bolted center support on and pinned 5th wheel plate. 35 minutes max. Went to geogia and pulled 12,600lb new camper home. No issues at all. Would recommend lube disc keeps grease off when you remove hitch for storage.


Love the hitch. Just as I ordered. It was the first new hitch in almost 20 years. I really like no rails in truck bed and the color- coded hitched indicator. Also, this hitch is much quieter than my last one. Thanks Etrailer.


Has been a great hitch with no issues and very easy to use. The single jaw gives me better confidence when the jaw is locked that it is truly secure. Recently returned from a 9000mi roundtrip from WA to FL with total confidence. Great product highly recommend and if needed will purchase again.


Your company was great. Don't care for this hitch, although I have owned many hitches in 35 years of towing. Very finicky and some parts are flimsy. I will likely replace the hitch this year and will gladly order from you again


The product seems to be first class as with the service, delivery and swift replacement of the damaged handle grip during shipping. Thx etrailer.

2016 BMW M5

I ordered the Reese M5 hitch it showed up two days later free shipping. Fantastic thank you. I have not opened the package yet.



Overall I think it is a good product. The rubber hand grip didnt last 2 months before tearing off. Does not always connect on first try. Must be lined up near perfect for it to connect consistently.


Very well-built happy with the quality


I don’t like it one bit.






The hitch came in 3 separate packages, all in the same delivery. Each package came with parts documents, care and assembly instructions. I did the assembly alone. Assembly was fairly easy, just cumbersome due to weight. During assembly, I believe the instructions have the center bolt inserted from the outside; not possible to clear the leg frame so I had to finagle the nut while inserting the bolt from the inside. I initially assembled the hitch unattached to the truck bed. When complete, I could not get the pucks to align with holes in the bed. I loosened the legs, set in the bed and tightened the bolts, which then made for a perfect fit. I have my hitch set to the highest setting for ensured bed rail to camper clearance; might lower later on. The hitch is easy to use; no issues connecting or disconnect the camper. I did have to replace the fifth wheel to base hitch pin clips with shorter ones because when the camper tilted, the clips got bent (unknown to me, the clips went vertical and could not clear the tilt of the fifth wheel and base). Wasn't a big deal to me, but could present an issue if not recognized. It is possible for the pins to contact the base as well. I use a neoprene or plastic disc on the hitch so I don't have to grease the wheel; makes for a clean and easier removal /installation. But as you can see, there are gouges/scratches just from normal connecting and disconnecting. I remove the fifth wheel from the base when removing/installing hitch just to reduce weight. Even without the wheel, the base assembly is still heavy. Overall, I think this is a good hitch; with that being said, this is the only brand fifth wheel hitch I've ever used and this one here is the only brand fifth wheel hitch I've ever owned.


Talk about disappointment, ordered this in early October to replace a curt q20 slider hitch I had on a previous truck. It arrived well enough considering how heavy the parts are. There was no obvious signs of damage, install was relatively simple enough. Early November rolls around and we are going to be moving our 5th wheel, I go to hook up to measure clearances of bed rails etc. It turned into a multi-hour ordeal. Backing in following the directions allowing the pin to slide up to the hitch it binded in a spot where I was unable to release it(pictures attached), after spending quite a while raising all the weight of the truck moving backwards and forward with it partially latched trying to get it to move some way I was finally able to get it released by using a crow bar to push the jaw open and drive the truck out. So now I need to find out the problem I fully reset it back to its receiving position with the handle in the latched but not locked position. Try again, the exact same thing happens. So I took the head of to experiment and see if it will slide on to the king pin maybe there is another issue I'm not noticing, works well and fully seats with the green indicator but again doesn't release without using a crow bar on the jaws. Now mind you I fully lubed this as the instructions state, even using the needle grease gun attachment, so I didn't think that was the issue. Still decided more lubrication couldn't hurt the situation, I used dry lithium grease everywhere, moving every part that can move while doing it. Hooked it back to the truck, success, well partially. Got a full seat of the king pin with the handle in a very not latched position got it moved in to the correct area and after a few thumps it allowed me to seat the safety pin. Try and hook it up again, now the arm doesn't fully close when attached to the king pin. At this point we get it off again, having to use a crow bar, and notice the internal latch that locks the arm in the safe or unsafe position is lose and one of the springs had come off, thankfully it didn't get lost as its about 2in long and small. At this time its been almost 3 hours of frustration. I spend another hour getting the tiny spring reattached in what seems to be the correct position(unable to find a diagram of the internal springs online). Go to hook it up again, this time we get a full successful latch and the locking arm perfectly closes and allows the safety pin, but alas we are still unable to unlatch the 5th wheel without moving the jaw with a crowbar.

I have never had such frustration with something that's so critical to the ability of me to tow my 5th wheel. I am unsure if I can trust it to work correctly.


Just received the 3 boxes for my hitch and the first thing I see when I open the box with the jaw head is that the plastic locked indicator is busted, also the box containing the legs is crushed/ re taped


Received in good condition with all parts. Instructions best looked up on line. My legs were free of powder coat for bolts. Mine came with lynch pins and not cotter pins. Does take torque wrench of 250 ft/lbs to torque to recommended 220 ft/lbs but not too difficult . Got one at Harbor Freight. I noticed that an impact 15/16 socket 6 tooth was tighter fit on bolts than the 24 mm recommended. Of note it has a needle grease zerk under blue label on front and one at back which serves side to side center section bolts in addition to one on top of head. I put on highest setting and had 7” of bed rail clearance on my 2024 Duramax which was one of my major concerns since we boondock a lot. . I had 6” with a Reese 16k slider mounted on the middle setting on my 2016 Duramax with our Montana that has a Morryde pin box hitch. Nice to have a clean bed with hitch removed. It is heavy at about 150#. Remember to mount head section with tips of springs situated so they force head to flex towards rear of truck for hitching. Handle does go below bed rails when tilted. Over all very pleased so far


Went together easy, no issues, functions exactly as it should, well built, no complaints. We pull a 45 ft 5th wheel TH. Would not hesitate to buy it again.


Couldn’t be easier to use or more heavily built and secure. Only one issue. Though I didn’t have to change out bolts or use a tap and die set to put the base together, I would highly recommend having the correct tap and die available, just in case. From what I have read many people have had problems with these bolts/holes. I only had an issue with one, but it wasn’t fun. I don’t have a T and D available. Pretty sure it would have been a cinch if I had. ALSO, most people I know don’t have the correct type of torque wrench for the job. If you have to buy one it might be cheaper to have a trusted shop assemble the hitch. It’s pretty easy, but the wrench isn’t cheap, even if you buy an inexpensive (cheap) one. I rated 5 stars because I read all of the reviews and issues, bought with my eyes wide open, and was very happy to find that the bulk of the comparatively few negative reviews were either exaggerate, a QC issue that had been dealt with, or I just got plain lucky. I’ve had the hitch for 7months pull a 16,000 GVWR 5th wheel of my own and have pulled for friends.

Show More Reviews

See what our Experts say about this Reese Fifth Wheel Hitch

  • Correct Reese M5 5th Wheel Trailer Hitch for 2018 GMC Sierra 3500
    The Reese M5 5th Wheel Trailer Hitch for Chevy/GMC Towing Prep Package part # RP30890 is an excellent option for a 2018 GMC Sierra 3500. It has a wrap-around jaw design which will grip the kingpin tightly therefore reducing the amount of slop which attributes to a rough tow. It also has a very wide funnel which is going to make coupling the trailer much easier. The hitch simply drops into the pucks in the truck bed and then all you'll need to do is turn the handles to lock it in place.
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  • Determining The Correct Hitch Height For A Reese M5 5th Wheel Hitch In A 2020 Chevy Silverado 1500
    When measuring the pin box height you'll need to have the trailer level and the measure from the ground to the base of the king pin (pictured below). I recommend rechecking this measurement yourself since the dealership probably has zero clue what they're doing. You'll also want to get the measurement from the floor of your 2020 Chevy Silverado 1500's bed. The trailer measurement minus the truck measurement will give you the height that your Reese M5 5th Wheel Trailer Hitch # RP30890...
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  • How to Determine Height Setting for Reese 5th Wheel Hitch on 2019 GMC Sierra 2500
    There is an easy way to figure out how to determine what height setting a fifth wheel hitch such as the Reese M5 # RP30890 needs to be in your 2019 GMC Sierra 2500, just keep in mind you will need five to six inches of space from your Silverado's bed rails to your trailer as in the accompanying photo. To determine the height simply measure from the the bottom of your trailer's pin box to the ground; after that measure from the top of your Sierra's truck bed to the ground. The difference...
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  • Weight of Head and Base for Reese M5 5th Wheel Trailer Hitch # RP30890
    Just the head on the Reese M5 5th Wheel Trailer Hitch # RP30890 that you referenced weighs about 48 pounds. The base and legs weigh 105 pounds. This 20K fifth-wheel hitch is confirmed to fit your 2018 Chevy Silverado 3500 that features the factory rail kit. It will mount directly to the factory pucks in your truck bed and it has a premium single-piece Talon jaw that will wrap completely around the trailer king pin for a secure connection. I have attached a short video demonstration on...
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  • Is Reese M5 Fifth Wheel Hitch Compatible with Sidewinder Pin Boxes
    Yes, the Reese M5 5th Wheel Trailer Hitch # RP30890 is compatible with the Sidewinder pin boxes. This hitch is actually made by the same company as Sidewinder. I attached a help article on Sidewinders for you to check out as well.
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  • Is Reese M5 Fifth Wheel Hitch a Good Fit for 2019 GMC Sierra 3500HD with OEM Rail Kit
    The Reese M5 fifth wheel hitch part # RP30890 is a direct fit for the factory fifth wheel rail kit you have in your 2019 GMC Sierra 3500. This is a new design that use a different puck design than the Elite that you have so it would not have the same tendencies to require shims as your old hitch. Which by the way is not a common issue with the Elite hitches at all. This hitch will fit tight to your factory rail kit for a very quiet and smooth ride. I attached a review video on it for...
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  • How to Fit Reese M5 Fifth Wheel Hitch for 2018 GMC Sierra Factory Rail Kit Under Tonneau Cover
    If you wanted the Reese M5 5th Wheel Trailer Hitch # RP30890 to fit under your tonneau cover you'd need to replace the handle of the hitch that points up with the Replacement Low Profile Handle for Reese M5 5th Wheel Trailer Hitch # RP58553. This handle lies flat instead of pointing up which allows it to fit under a cover. The height range of the # RP30890 14 to 20 inches from the bed of the truck to the top of the head. You are supposed to pick the height setting that allows the trailer...
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  • Best Reese 5th Wheel Hitch for 2019 Chevy Silverado 2500 Long Bed With Factory Pucks
    The best Reese 5th wheel hitch that fits directly in the puck system of your 2019 Chevy Silverado 2500 long bed is the Reese M5 # RP30890 because of its single-piece jaw that fully latches onto your king pin, ensuring there is complete contact between hitch and king pin. The outstanding jaw system of this hitch will ensure that you don't experience the rattling and "slop" that can occur in 5th wheel hitches with lesser jaws. That means you can tow in relative peace and can do so without...
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  • Reese Fifth Wheel Hitch Recommendation for 2019 Chevy Silverado 2500 with Factory Pucks and Long Bed
    I highly recommend the Reese M5 Fifth Wheel Hitch for your 2019 Chevy Silverado 2500 with the factory puck system because of its unique jaw system that optimizes the amount of contact it has with your king pin and its settings which allow more height and cab clearance than other fifth wheel hitches. The Reese M5 is available with a 20,000 lb capacity # RP30890 or 27,000 lb capacity # RP30895 and will fit directly in the pucks of your '19 Silverado. It uses a single-piece jaw that latches...
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  • Will the Reese M5 5th Wheel Trailer Hitch Fit Under A Tonneau Cover On a 2019 Chevy Silverado HD
    If you wanted to use the Reese M5 5th Wheel Trailer Hitch part # RP30890 with a tonneau cover on your 2019 Chevrolet Silverado 3500 then you would need to replace the handle with the Replacement Low Profile Handle for Reese M5 5th Wheel Trailer Hitch part # RP58553. This low profile handle was designed for this exact purpose as the one that is included would likely sit up past or very close to the bed rails though we have not been able to test this yet.
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  • Center Bolt Hole Line Purpose On The Reese M5 5th Wheel trailer Hitches
    The bolt holes on the side of the head of the Reese M5 20k Hitch # RP30890 allow for you to increase or decrease the height of the head and the center line of bolt holes are used on the 27k hitches like the # RP30895 which require three bolts to secure the head to the legs.
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  • Can I Switch Legs On Reese Elite For Ford Puck System To Fit GM Factory Puck System
    We do have hitches that fit the GM factory puck package but the replacement legs part # RP30889 is not compatible with the head of your Reese Elite Series hitch part # 58292. The Reese Elite hitch is designed with legs to fit the Ford prep package or the Reese Elite Underbed Rail installation kit, but you already have a puck system. I recommend getting a 5th Wheel Hitch designed to fit the GM factory puck package The Reese M5 part # RP30890. I recommend this 5th Wheel Hitch because it...
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  • Recommended Hitch For Use With Reese Revolution For 2017 Chevy 2500 With Prep Package
    I recommend the Reese M5 5th Wheel Trailer Hitch for Chevy/GMC Towing Prep Package - Single Jaw - 20,000 lbs # RP30890 to use with the Reese Revolution with the 2017 Chevy 2500 prep package. The Reese M5 will fit into the prep package and can handle up to 20,000 lbs of gross towing weight. The wraparound design of the jaw provides increased security compared to the other hitches with 2 piece jaws because it is a stronger connection with the king pin of the revolution. If you need a little...
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  • Recommended Reese 5th Wheel Rail Kit for a 2024 Chevrolet Silverado 2500 Regular Bed
    Michael, it sounds like you're looking for the Reese Quick-Install Custom Outboard Installation Kit w/ Base Rails for 5th Wheel Trailer Hitches # RP84FR. This is basically going to give you a set of base rails to be able to use any 5th wheel hitch that mounts using the industry standard style and will work great with your 2024 Chevy Silverado 2500. If you're looking for something different, feel free to comment down below and let me know what that is. As far as the installation goes,...
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  • Does Reese M5 5th Wheel Hitch have Enough Turning Clearance for 2023 Chevy Silverado 2500 Short Bed
    Reese does have an M5 fifth wheel hitch that fits the OEM rail kit of your 2023 Chevy Silverado 2500HD short bed with the part # RP26FR but the part number you mentioned fits the older version of the rail kit so it wouldn't work. As far as turning clearance goes you most likely will be fine since most current fifth wheel campers have tapered noses which allow for additional turning clearance and the short bed truck you have is actually a little longer at 6-3/4 foot.
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  • Recommended Fifth Wheel Hitch For 2019 GMC Sierra 3500 With Prep Package For Reese Sidewinder
    I recommend the Reese M5 5th Wheel Trailer Hitch- Single Jaw - 20,000 lbs # RP30890 to use with the Reese Sidewinder on your trailer towed by the 2019 GMC Sierra 3500 with prep package. The Reese M5 will fit right into the prep package and can handle up to 20,000 lbs of gross towing weight. The wraparound design of the jaw provides increased security compared to the other hitches with 2 piece jaws because it is a stronger connection with the king pin of the revolution. I have contacted...
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  • Can The Reese M5 5th Wheel Hitch Work With An Older Model Reese Sidewinder Pin Box
    Yes, you can use a Reese M5 5th wheel hitch with your Reese Sidewinder. For your 2022 Chevy Silverado 2500 you'll need the Reese M5 5th Wheel Trailer Hitch # RP26FR instead of the # RP30890 you were looking at since it's only compatible with the puck spacing on 2016-2019 models. Just make sure you slide the generic wedge that comes with the sidewinder up into the funnel of the M5 to prevent pivoting at the king pin.
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  • Which Reese M5 5th Wheel Hitch Fits A 2021 GMC 2500 With The factory Prep Package
    We do have an option for you, but the Reese M5 5th Wheel Trailer Hitch # RP30890 will not fit your 2021 GMC Sierra 2500. That hitch fits 2016-2019 Chevrolet/GMC trucks with the factory prep package installed. Instead, you'll want to use the Reese M5 5th Wheel Trailer Hitch for Chevy/GMC Towing Prep Package # RP26FR. This is the same hitch as # RP30890 mentioned earlier, but the difference is this hitch is designed to work with the new generation puck system for the Chevrolet/GMC trucks.
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  • What is Lowest Hitch Height for B&W Companion in 2018 GMC Sierra 3500 With Factory Prep Package
    The 16-3/4 inch hitch height is the lowest the B&W Companion 5th Wheel Hitch # BWRVK3700 will go in your 2018 GMC Sierra 3500 with the factory prep package. The Companion is a great hitch but there are other high-quality fifth wheel options if you need one with a lower height setting; for that I strongly recommend the Reese M5 5th Wheel Trailer Hitch # RP30890 which has hitch height settings that are adjustable from between 14 inches and 20 inches. The M5 # RP30890 will also fit directly...
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  • Does Reese M5 5th Wheel Trailer Hitch Fit Ram 3500 with Factory Puck System
    We do have other fifth wheel hitches to fit into your Ram's factory puck system but right now the only Reese M5 hitch we carry is for the GM factory kit, part # RP30890. Instead I recommend the B&W Companion, part # BWRVK3600. It has 1 inch thick dual jaws that are regarded as some of the best on the market for reducing rattle between the king pin and hitch. The base fits into your Ram's pucks and the the head uses two handles to make it simple to install or uninstall by yourself. It's...
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  • What Puck System Hitches Will Fit The Reese Elite Under-Bed Rail and Installation Kit # RP30868
    The Reese Elite Under-Bed Rail and Installation Kit # RP30868 has Ford's puck spacing so you would actually need the Ford OEM Reese M5 hitch # RP30921 instead. I've attached a couple of videos below to help you with installation and go over some of the features of the M5.
    view full answer...
  • Will Reese M5 20K for Puck System Fit Puck System on 2019 GMC Sierra 3500 Denali
    We do have 5th wheel hitches that are compatible with the puck system on your 2019 GMC Sierra 3500 Denali so to get your Reese M5 20K # RP30921, which is designed for Ford puck systems, compatible with your GMC puck system you'll have to swap out the legs with # RP30889. If you had to replace your whole hitch you would instead use the Reese M5 # RP30890 that fits with the puck system on your GMC Sierra. It has a single jaw but it is rated for a high capacity 20K, has an indicator for when...
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  • Recommended Lubrication Between Head of Reese M5 Fifth Wheel Hitch and Pin Box
    The Reese M5 5th Wheel Trailer Hitch for Chevy/GMC Towing Prep Package # RP30890, you can use a little grease like the LubriMatic White Lithium grease in 14 oz. Cartridges # L11354. Otherwise, for less mess I recommend the Lube Plate for Reese 5th Wheel Trailer Hitches # RP83001.
    view full answer...
  • Which Sidewinder Wedge Should be Used with Reese M5 Fifth Wheel Hitch
    We have spoken with our contacts at Reese about this before and with the M5 Reese hitch part # RP30890 that you referenced they recommend using the shorter end of the universal wedge for Sidewinders # 201100 for your # RP24FR sidewinder. I attached a picture that shows this configuration as well.
    view full answer...
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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Kathleen M
Updated by:
Kathleen M
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Updated by:
Alexander C
Employee Ronnie R
Updated by:
Ronnie R
Employee Isabelle B
Updated by:
Isabelle B
Employee Shelly K
Written by:
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