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  1. Trailer Hubs and Drums
  2. Dexter
  3. 6 on 5-1/2 Inch
  4. For 6000 lbs Axles
  5. 14-1/2 Inch Wheel
  6. 15 Inch Wheel
  7. 16 Inch Wheel
  8. 16-1/2 Inch Wheel
Dexter Trailer Idler Hub Assembly for 6,000-lb E-Z Lube Axles - 6 on 5-1/2 - Galvanized

Dexter Trailer Idler Hub Assembly for 6,000-lb E-Z Lube Axles - 6 on 5-1/2 - Galvanized

Item # 8-213-51UC1-EZ
Our Price: $122.96
Trailer Hubs and Drums
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Shipping Weight: 13 lbs
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Galvanized idler hub assembly is great for marine use. Fits 6,000-lb E-Z Lube axles with #42 spindles. Inner bearing (25580) and race, outer bearing (15123) and race, grease seal, grease cap, and galvanized lug nuts included. Great Prices for the best trailer hubs and drums from Dexter. Dexter Trailer Idler Hub Assembly for 6,000-lb E-Z Lube Axles - 6 on 5-1/2 - Galvanized part number 8-213-51UC1-EZ can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (25)
  • Q & A (0)
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  • Used (1)

Dexter Trailer Hubs and Drums - 8-213-51UC1-EZ

  • 6 on 5-1/2 Inch
  • For 6000 lbs Axles
  • 14-1/2 Inch Wheel
  • 15 Inch Wheel
  • 16 Inch Wheel
  • 16-1/2 Inch Wheel
  • Hub
  • 1/2 Inch Stud
  • EZ Lube
  • 15123
  • 25580
  • Dexter

Galvanized idler hub assembly is great for marine use. Fits 6,000-lb E-Z Lube axles with #42 spindles. Inner bearing (25580) and race, outer bearing (15123) and race, grease seal, grease cap, and galvanized lug nuts included.


  • Marine-grade trailer hub assembly fits idler axles
    • Includes bearings, races, grease seal, grease cap, and zinc-coated lug nuts
  • Zinc plating has a 500-hour salt spray rating
    • Ideal for use on a boat or snowmobile trailer
    • Durable enough for saltwater applications
  • E-Z Lube-compatible grease cap makes lubricating bearings fast and easy
    • Remove rubber plug to access zerk fitting on spindle - no need to disassemble hub
  • Hub and drum are made in the USA


  • Application: 6,000-lb E-Z Lube axles with #42 spindles
  • Wheel size: 14-1/2" to 16-1/2"
  • Bolt pattern: 6 on 5-1/2"
  • Wheel stud dimensions: 1/2" diameter x 2-1/4" long
  • Grease cap flange diameter: 2.446"
  • Weight capacity: 3,000 lbs

Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: 25580 (1.75" inner diameter)
    • Outer bearing: 15123 (1.25" inner diameter)
  • Races (included)
    • Inner race: 25520
    • Outer race: 15245
  • Grease seal (included): GS-2250DL
    • Inner diameter: 2.25"
    • Outer diameter: 3.376"

Corrosion Resistance for Marine Use

This trailer hub assembly has a zinc coating that resists corrosion, making it ideal for use on your boat or snowmobile trailer. All GAL-DEX hubs undergo a test in which they are sprayed with a 5-percent salt solution to determine corrosion resistance over time. These products are able to withstand 500 hours of constant exposure to the saltwater mist. This 500-hour salt spray rating indicates that a product is not only durable enough to last in freshwater environments, but it can also be used on trailers that come into contact with saltwater.

E-Z Lube-Compatible Hub for Simple Lubrication

The grease cap on this hub is specially designed to work with your Dexter E-Z Lube axle to make lubricating bearings quick and easy. Just remove the plug on the grease cap, attach a grease gun to the zerk fitting on the end of the spindle, and inject the grease. It will flow easily to both inner and outer bearings. Not only does this make lubricating the bearings easy, but it also helps to prevent corrosion of the hub. This is because you can lubricate the bearings without the mess of taking apart the entire assembly.

Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.

Bolt Pattern - Even

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: "8 on 6-1/2" means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)

Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: "5 on 4-1/2" means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)

Bolt Pattern Side

Measuring the distance (D) from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"

008-213-9G Dexter GAL-DEX Trailer Idler Hub Assembly for 6K Axle with Hardware - 6 on 5-1/2 - EZ Lube

Replaces 8-213-51UC1-EZ and 8-213-51UC1

Customer Satisfaction Score:

Customer Reviews

Dexter Trailer Idler Hub Assembly for 6,000-lb E-Z Lube Axles - 6 on 5-1/2 - Galvanized - 8-213-51UC1-EZ

Average Customer Rating:  4.0 out of 5 stars   (25 Customer Reviews)

Galvanized idler hub assembly is great for marine use. Fits 6,000-lb E-Z Lube axles with #42 spindles. Inner bearing (25580) and race, outer bearing (15123) and race, grease seal, grease cap, and galvanized lug nuts included.


4 stars, the image is not of the part that I received. The pic shows the wheel studs supported on the back of the hub. the ones I received they are not supported, however they are Dexter stamped so for now I can only trust that they are the highest quality.


This is the second time the packaging has arrived damaged. The parts are OK this time. The hubs are not packed with enough material to secure them. The last shipment of these parts had a damaged cap and bearing seal. Fortunately, we had some replacements in house to finish our job.


Product was received as ordered. The box with the hubs and spindles was soaking wet and product was exposed. One of the boxes with tire and rim was torn open on the back. No apparent damage to any of the product. Typical UPS delivery.


I saw several poor reviews for etrailer and almost didn't order. Boy, what a mistake that would have been! The whole process couldn't have been better. The order shipped almost immediately and I was sent emails updating me about delivery twice. My hubs arrived in perfect condition and my Chris Craft will be heading to the coast shortly. The price worked for me, and free shipping on my order was a treat. I will have no problem ordering from etrailer in the future.

James W.


Had the hubs on the trailer for a year. Unfortunately for me, shortly thereafter I suffered a stroke and just pulled the trailer two weeks ago for the first time. Everything worked fine. I will probably order another as a spare for some long trips.


Great product, bought four of these for my RV upgrade to electric over hydraulic disc brake system. Dexter is the way to go and etrailer is a reliable and reasonable parts resource.

Doug J.




Just what I ordered. Order arrived very quickly! Customer service A+


Hubs arrived in terrible condition. Grease caps are destroyed, many of the bearings are damaged, and the coating is chipped off of the hubs. Would not buy again.


This is a great product from a great company, I received my order and one of my dust caps had a little damage, I sent a message to Carol and I had a replacement in two days, that is great customer service, I highly recommend this product and this company.


The products I received from etrailer were of great quality. Delivery was fast and accurate and will go back to etrailer for future parts for all my projects. Good job guys!


parts arrived quickly and in decent shape. recommend better packaging as box was torn up but all together. maybe a more robust package for heavy item. thanks


Good guys and Walk you through everything you need to make certain it’s right application......thank you!!


No issues with the product itself. Would of been 5 star if the packing process was quicker and the product was packed better. There was some slight damage due to poor packing.


Worked perfectly


Product was delivered fast and in great shape.
Great friendly knowledgeable service.
Will use again.
Have a great day!


Shipping arrived on time and item was as advertised. Ordered by phone, great customer service!












See what our Experts say about this Dexter Trailer Hubs and Drums

  • Replacement Spindle And Hub For 6,000 lb Axle on Boat Trailer
    The information was helpful, thank you, and spindles are replaceable, they just need to be welded on by a qualified professional. In regards to the hub, there are a couple of options, depending on your current hub's bolt pattern. Basically, just if your current wheels fit hubs with 6 lugs or 8 lugs. So for a replacement spindle and accompanying hub for a 6,000 lb axle, here is what you will need: - #42 E-Z Lube Spindle with Flange for 5.2K to 7K Trailer Axles # TRU37FR - 6 on 5-1/2"...
    view full answer...
  • Bearing Buddy For A Dexter Trailer Idler Hub Assembly For 6K Axles
    The correct Bearing Buddy size needed for the Dexter Trailer Idler Hub Assembly for 6,000-lb E-Z Lube Axles # 8-213-51UC1-EZ is 2.44". That being said, you can use the: -Bearing Buddy Bearing Protectors # BB2441SS for stainless steel. Or -Bearing Buddy Bearing Protectors # BB2441 for chrome.
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  • Can a Hub/Drum Be Switched Out For An Idler Hub On a 6,000 Lb Trailer Axle
    Yes, you can replace the hub/drum that you have on your trailer with a standard idler hub assembly. In order to determine if the Dexter Trailer Idler Hub Assembly part # 8-213-51UC1-EZ is correct you will need to verify that your spindle uses a 25580 (1.75" inner diameter) inner bearing, a 15123 (1.25" inner diameter) outer bearing, and a GS-2250DL (2.25" inner diameter) grease seal. This may require you to read part numbers or measure to verify. If the above is true then you will be...
    view full answer...
  • Replacement Hub for Tie Down Engineering 81091
    Yes, the Dexter Trailer Idler Hub Assembly # 8-213-51UC1-EZ will work as a direct replacement for your Tie Down Engineering 81091 hub. Based on my research your 81091 hub is rated to be used on 6,000 lb axles, has a 6 on 5-1/2" bolt pattern, uses Inner Bearing # 25580, Outer Bearing # 15123 and Grease Seal # GS-2250DL. This is also what the galvanized Dexter Hub # 8-213-51UC1-EZ uses so it will work as a replacement.
    view full answer...
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  • Availability of 6k Trailer Hub with 6 Lug Bolt Pattern Pre-Greased
    We have pre-greased 6k trailer hubs with 6 on 5-1/2 inch bolt patterns like the etrailer part # AKIHUB-655-6-K but we do not have any that are galvanized. This would still work great in a marine application though.
    view full answer...
  • Idler Hub for Use on Tie Down Axle Part 46648 from Venture Trailer
    I was able to find some details about the Venture square axle part 46648 in my research. This square axle is indeed rated for 5200-lbs, is 98-inches long overall including spindles, is galvanized and works with spring centers of 72- or 75-inches. A bit more digging allowed me to determine the bearings required for the included spindle are inner bearing # 25580 and outer bearing # 15123. Since these are the same bearings used in the hub # 8-213-51UC1-EZ it will fit on your spindles. This...
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  • Complete Electric Over Hydraulic Brakes Set Up With Tandem 3,500 lb Timbren Axle-Less Suspension
    We do have all the parts you need for a total conversion to a disc brake electric over hydraulic braking system to go with the Timbren axle-less suspension system. This will include stainless steel brakes and wheel lug nuts, as well as all of the hoses. The hubs will have six lugs so the wheels will need to have a 6 on 5-1/2" bolt pattern, and I will offer my recommendation for those wheels and tires. Here is the list you were wanting with all the needed parts for a new set up: - Timbren...
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  • Availability of Trailer Hub that has 6 on 5 inch Bolt Pattern
    The standard 6 lug bolt pattern for trailer is 6 on 5-1/2 inch like the part # 8-213-51UC1-EZ that you referenced. There isn't a 6 on 5 inch so my guess is what you have/need is actually a 6 on 5-1/2 inch hub like this one.
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  • Hubs and Disc Brakes For a MagicTilt Boat Trailer With 6,000LB Axles
    The Dexter Trailer Idler Hub Assembly # 8-213-51UC1-EZ is what we have for the part number PD2550-L but you will need the Grease Seal # GS-2125DL to replace the larger seal in the kit. Each pair of hubs will use these Bearing Buddy Protectors # BB2441SS instead of the PF1102 which is for a different size hub bore. The Demco Hydraulic Brake Actuator # DM8164311 is the exact same as the part number PG1094. The DeeMaxx Disc Brake Kit # DE28YR will work in place of the PG2033. And these will...
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  • Axle Replacement For a Boat Trailer With 3,500LB Axle With V-Shape For Boat Hull
    We do have the Timbren Heavy-Duty Axle-Less Trailer Suspension # TASR35HDS03 that you will be able to use for your boat trailer as we do not have any axles with the dimensions or design you are needing. These will replace your leaf springs and bolt to the frame. The hub face will be positioned 6-1/4" from the frame which is equivalent to your 85" hub face and 71" spring center. If you have an axle with the 81" hub face and 70" spring center that will work for your boat trailer you can remove...
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  • How to Determine Trailer Axle Rating from Axle Diameter and Bearings Used in Hubs
    Often an axle's weight rating will appear on a sticker or plate on the axle beam itself, or sometimes the trailer's main identification sticker will include axle ratings. This is helpful unless of course the axles have been replaced during the trailer's lifetime. Axle diameter can get us at least in the right weight capacity neighborhood. An axle with 3-inch diameter typically has a 6K or 7K weight rating. One that is 3-1/2-inches in diameter is usually rated for 8K. In rare instances...
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    Image 1 for
  • Can I Use a Timbren Axle-Less System on a Boat Trailer That is Used in Salt Water
    Yes. Timbren Axle-Less Suspension systems like the # ASR35HDS05 have a thick powder coating on them, so they could be used on a boat trailer that gets submersed into salt water and do just fine. The spindle uses # 15123 outer and # 25580 inner bearings and you'll want to use hubs with either a dacromet plating or a galvanized finish. The hubs I recommend would be the Dexter Trailer Hub and Drum Assembly - 6,000-lb Axles - 12" Diameter - 6 on 5-1/2 - Galvanized # 8-201-51UC3 which would...
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  • Recommended Compatible Hubs for Use with Timbren Off-Road Suspension System ASR35HDS02
    In order to use 6-on-5-1/2-inch bolt pattern hubs on a Timbren axle-less suspension system those hubs will have to use the same bearing set as the hubs intended for that system. In the Timbren system # ASR35HDS02, for example, which has 4-inches of lift and is rated for 3500-lbs and off-road tires, the bearing set is inner bearing # 25580 and outer bearing # 15123. We do offer idler hubs and hub/drums in the 6-on-5-1/2-inch bolt pattern that you can see by clicking on the link provided....
    view full answer...
  • Replacement Galvanized Hubs For Dexter 8-213 on 5,200 lb Axle
    Dexter now uses hubs rated for 6,000 lbs for their 5,200 lb axles (as they are discontinuing that specific capacity), but the 6k rated Dexter 8-213 hub will fit the spindle on your 5,200 lb axle as they use the same bearings. The correct galvanized Dexter 8-213 hub for your 5,200 lb axle is the following: - Dexter Trailer Idler Hub Assembly # 8-213-51UC1-EZ If you want to verify you can do so by taking apart your current hub assembly and looking at the bearings themselves; wipe away the...
    view full answer...
  • Replacement Surge Brake Parts for 2004 5 Starr Boat Trailer
    It sounds like you have a Demco Actuator to me like # DM8104002. We also have one with a 4 inch drop # DM8104311. Both are Hydraulic Brake Actuators that are rated at 12,500lbs.,has a 2-5/16 inch ball, and bear the DA10 model number. I was able to look up your boat trailer and the parts used between packages varied. I can help you pick out Rotors, Lines, Calipers, and Pads if you can provide me with more information about the current items on the trailer. I will need the number of...
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  • Recommended Replacement Wheel Stud For A Dexter Trailer Idler Hub Assembly # 8-213-51UC1-EZ
    The Dexter Trailer Idler Hub Assembly # 8-213-51UC1-EZ uses a 1/2" diameter x 2-1/4" long wheel stud. The closest option we offer to this size is part # 7-262 (1/2" diameter x 2-11/16"). If you have open ended lug nuts then you won't have any issues with the increased length.
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  • Availability of Replacement Hub for Rockwell 6k Trailer Axle
    If your Rockwell 6k has a 6 lug bolt pattern you'd want the # 42655UC1 or if you have an 8 bolt pattern you'd want the part # 8-213-51UC1-EZ.
    view full answer...
  • Can I Use Idles Hubs Instead of Drums on the Timbren Axle-Less Trailer Suspension
    Yes the Dexter Trailer Idler Hub Assembly for 6,000-lb E-Z Lube Axles part # 8-213-51UC1-EZ will work with the Timbren Heavy-Duty Axle-Less Trailer Suspension part # ASR35HDS05. I was able to confirm that they use the same bearings. The reason that they say they are for drums is that typically there are brakes on larger trailers like what the spindles are designed for.
    view full answer...
  • Dexter Axle Hub Conversion for 14.5 Inch or 15 Inch Wheels on Equipment Trailer
    Thanks for the information on your trailer. For your axle with brakes I recommend the Trailer Hub and Drum Assembly - 5,200-lb and 6,000-lb E-Z Lube Axles - 12" - 6 on 5-1/2 # AKHD-655-6-EZ-K if you have the spindles with the integrated grease zerk. If you have standard spindles, I recommend # AKHD-655-6-K which have the standard grease cap instead. These assemblies will fit perfectly with your axles based on the bearing and seal information you gave as well as 14.5 inch wheels. Then...
    view full answer...

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Used Items Available
Used Picture for Dexter Trailer Idler Hub Assembly for 6,000-lb E-Z Lube Axles - 6 on 5-1/2 - Galvanized
Used Picture for Dexter Trailer Idler Hub Assembly for 6,000-lb E-Z Lube Axles - 6 on 5-1/2 - Galvanized

Condition: Installed

Notes: Item has been installed/test fit.

Our Price: $90.52
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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Adam R
Expert Research:
Adam R
Employee Lisa S
Written by:
Lisa S
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Updated by:
Alexander C
Employee Hannah L
Updated by:
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Employee Matthew E
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