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Accessories and Parts > Transmission Coolers > Accessories > Radiator Adapters > Derale


Derale Snap-In Radiator Adapter Fitting for GM

Derale Accessories and Parts

ratingratingratingratingrating (37 reviews)


Code:   D13035

Retail:$14.12

Price:$9.99


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Derale Accessories and Parts - D13035

Quickly and easily install your new transmission cooler without having to go through the hassle of cutting and flaring lines. Fittings are designed to work specifically with your vehicle's radiator.

Features:

  • Connects radiator to transmission cooler quickly and easily - no cutting or flaring lines
  • Designed to snap into place easily
  • 1-Year warranty


13035 Derale GM Radiator Adapter
Hidden Hitch # HH41418
Hayden Automotive # 397







Video of Derale Snap-In Radiator Adapter Fitting for GM


Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.

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Derale Dyno-Cool Transmission Cooler Installation - 2002 Chevrolet Silverado
Video install transmission cooler 2011 chevrolet suburban d13503
Transmission Cooler Installation - 2011 Chevrolet Suburban

Video Transcript for Transmission Cooler Installation - 2005 Chevrolet Avalanche

Today on our 2005 Chevrolet Avalanche, we'll be installing the Derale Transmission Cooler, part number D12906. We'll also be using the Derale Universal Mount Kit, part number D13002 and the GM Radiator Adaptor, part number D13035.Now our truck has had some modifications so the removal of the grill is different than normal, so we will not be showing it. With our grill out of the way, we'll go ahead and test fit the cooler.After finding a good spot for our cooler, using a couple of bolts and nuts we purchased separately, we'll attach the Derale brackets to the cooler. At this point, we want to leave the brackets loose until theyre mounted to the vehicle. We can go ahead and attach the rubber line to the cooler as well using two of the worm clamps. It also may be necessary to use some transmission fluid as lubricant to get the line around the fittings.We can now tighten down the worm clamp securing the rubber line to our cooler.

We will then place our cooler in its location and using a couple of self tapping bolts, we'll mount the cooler braces to the A-brace here on the truck. We'll do this on both sides. We can then tighten the brackets to the cooler. Now our cooler is secure and were ready to run the line. Going around the radiator, we'll pass the line through here to the factory cooler.Next, we'll need to identify the downstream transmission line.

This is the line that the transmission fluid is coming out of the factory transmission cooler in the radiator and heading back towards the transmission. To do this, we'll break torque the vehicle allowing the transmission fluid to warm up. The line that feels cooler is the one we'll be installing our new cooler into. We can then remove the holding device from the radiator and remove our line.Now, we'll take the GM adaptor and install it into the hole we removed the line from and reinsert the holding device. Now we'll determine where to cut our line in half on our new cooler.

Remember when cutting the line in half, youll want to leave enough room so the line doesnt kink. We'll slide the long end of our line onto the GM adapter here at the radiator, after sliding on another worm clamp where we can then tighten it down.We'll take the remaining clamp, slide it on the other line, slide the hose in, and tighten the clamp.Thats it, our transmission cooler is installed. We'll now go ahead and reassemble our truck, putting our grill back in place, as well as the headlights. Now all we need to do is check the fluid level and top it off as needed. We'll also want to make sure that there are no leaks.That completes our install of the Derale Transmission Cooler, part number D12906 in conjunction with the Derale Universal Mount Kit, part number D13002 and the GM Radiator Adaptor, part number D13035 on our 2005 Chevrolet Avalanche.

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Customer Reviews

Derale Snap-In Radiator Adapter Fitting for GM - D13035

Average Customer Rating:  ratingratingratingratingrating4.9 out of 5 stars   (37 Customer Reviews)

Quickly and easily install your new transmission cooler without having to go through the hassle of cutting and flaring lines. Fittings are designed to work specifically with your vehicle's radiator.


- D13035

ratingratingratingratingrating by: Bob G.06/09/2013


I received the cooler and Snap-In radiator adapter and thankfully it was sooner than expected. Everything was in order except that the cooler hose was 5/16" ID and the cooler and adapter are 3/8". Since the hose was not long enough (I needed 6ft) I was going to have to purchase hose anyway. Everything works fine on my 2011 Chevy Traverse but unfortunately I neglected to take photos of the installation. However as a note for other Traverse Installers it is necessary to remove the front clip in order to gain access to the radiator. I made my own bracket to hold the cooler and mounted it in front of the AC condenser on the steel bumper which is accessible after the fascia (clip) is removed. I do not like the direct contact with the condenser. The bracket is bolted to the bumper as I drilled and tapped holes for the mounting points. The clip is easy to remove after removing the inner fender guards. The factory manual suggests using a plastic wedge to unsnap the fascia below the headlamps. I used a plastic one that is used for installing glass/window seals. It wasn't a quick install but not too difficult either. A significant part of the time spent involved the design,cutting and welding of the bracket. Thanks, Bob 83914






- D13035

ratingratingratingratingrating by: Dave C12/10/2012


This product worked great for two reasons: It snapped perfectly into place after removal of the OEM hose connector (no leaks - by the way) and it eliminates the need to cut the end off of the metal tubing on your stock radiator hose. I would recommend attaching the cooling hose prior to installing the connector since the supplied hose is a very tight fit, I managed to fight with it better in the living room than under the truck. 61080






- D13035

ratingratingratingratingrating by: Steve P.07/15/2014


This little adapter is fantastic. I used it for both my draining of the transmission (pumping out fluid) and for connecting my add-on transmission cooler. Made installation a breeze with no requirement to cut and flare the existing lines. 141334






- D13035

ratingratingratingratingrating by: Doc11/22/2013


No leaks on Silverado 1500 2010 install. Made install fast. Took to my local mechanic who had tool to remove clip on radiator. Would be nice if it came with tool and extra clip since they are easy to drop 108168






- D13035

ratingratingratingratingrating by: Devin C06/11/2014


I used this to put a trans cooler on my 2007.5 Chevrolet Silverado 1500 5.3 liter truck. This snapped right into the OEM cooler and once the cooler was mounted it was a 5 minute job. Great product! 135158






- D13035

ratingratingratingratingrating by: Steve P.09/28/2013


Used in a 2003 Trailblazer. This little gem was the reason I could add the transmission cooler myself. I wasnt going to mess with a flaring tool, etc. Thanks etrailer! 101880






- D13035

ratingratingratingratingrating by: jon c04/07/2014


This adapter made the job of installing transmission cooler on a GM vehicle simple. The nice thing about this product is you don't have to cut or modify factory lines. 124002






- D13035

ratingratingratingratingrating by: Gilles L09/02/2013


Works beautifully once you get the lock clip off the original fitting, which I had a bit of trouble with. I'm glad I got this along with my transmission cooler. 97870






- D13035

ratingratingratingratingrating by: John02/17/2014


The original tranny line was a bit diificult to get to. Once the original clip was removed and the line pulled out , then this part was pushed right into place. 116692






- D13035

ratingratingratingratingrating by: Bob Demmon01/22/2014


Worked like it was an OEM part. Made the job much easier and I can easily change back to original equipment if I have any warranty issues. 114519






- D13035

ratingratingratingratingrating by: Oldtimer102901/16/2014


I didn't know that I would need this until I saw it on your site. Thank you, I could not have completed this job without it. 113911






- D13035

ratingratingratingratingrating by: dw08/18/2014


The Whole order came very quickly. Which was Great. Your videos are most helpful. Prices the Best. Thank you Dan 147266






- D13035

ratingratingratingratingrating by: Gilbert C10/13/2012


Made the install completely reversible. I don't like cutting stuff up and this adapter avoids that entirely. 57165






- D13035

ratingratingratingratingrating by: wilbrrr45508/17/2012


Vendor should offer a 90 degree sweep. But great service from a trusted seller! :] 52072






- D13035

ratingratingratingratingrating by: Allan11/10/2012


Followed the on line video instructions and it worked exactly llike they showed. 59192






- D13035

ratingratingratingratingrating by: Jim S.09/09/2013


Worked just as advertised. Another satisfactory purchase from etrailer. 99005






- D13035

ratingratingratingratingrating by: Robert S07/31/2013


Installed on a 2008 Trailblazer. Snapped right in with no leaks at all. 92590






- D13035

ratingratingratingratingrating by: Ryan Smith07/23/2013


Worked perfectly. Made installation of my transmission cooler a breeze. 91073






- D13035

ratingratingratingratingrating by: TJ05/25/2012


Easy install. No leaks detected after installation of the trans cooler. 41702






- D13035

ratingratingratingratingrating by: Gary S.08/04/2014


Worked fine as installed as a replacement for the factory fitting. 144182






- D13035

ratingratingratingratingrating by: Sarg08/09/2014


Super useful when adding an external cooler to my 2006 GMC Envoy. 145423






- D13035

ratingratingratingratingrating by: Chuck Schick10/22/2013


Item fit perfect! We will do business in the future again! 104779






- D13035

ratingratingratingratingrating by: Tom B.08/21/2013


Gotta have it to install trans cooler on 2001 Venture 96188






- D13035

ratingratingratingratingrating by: Phatboy08/10/2013


Works perfect for all GM auto trans con nectors. 94299






- D13035

ratingratingratingratingrating by: Fred B.08/06/2014


simple to install and worked great, no leaks 144687






- D13035

ratingratingratingratingrating by: Dwight H02/02/2012


very well made product great shipping t hanks 30844






- D13035

ratingratingratingratingrating by: chuck c.03/19/2012


snaped in with no leaks or problems. 34369






- D13035

ratingratingratingratingrating by: JERRY01/28/2013


good product, fit as described. 64362






- D13035

ratingratingratingratingrating by: Bill02/25/2014


Gotthe part and it looks good, 117640






- D13035

ratingratingratingratingrating by: Cory C.11/09/2012


Worked exactly as expected. 59051






- D13035

ratingratingratingratingrating by: Brian bowman08/15/2014


Hard to fit but got it on! 146820






- D13035

ratingratingratingratingrating by: arturo c.06/09/2014


Fast shipping. .. 134765






- D13035

ratingratingratingratingrating by: Jim02/06/2013


Needed item. 65199






- D13035

ratingratingratingratingrating by: chris m06/22/2013


Looks solid 85594






- D13035

ratingratingratingratingrating by: Ruble F08/15/2014


Excellent 146963






- D13035

ratingratingratingratingrating by: arnau13103/02/2012


AAAA++++ 32998






- D13035

ratingratingratingratingrating by: greg07/31/2012


good 50000




37
37


Ask the Experts about this Derale Accessories and Parts
Expert Answers about Derale Snap-In Radiator Adapter Fitting for GM - D13035Do you have a question about this Accessories and Parts?


  • Do I Need To Add Transmission Cooler To 2010 Chevy Silverado 1500 2WD LT 5.3L V8 With Factory Cooler
  • Installing an additional transmission cooler in-line with the current transmission cooler would help in cooling the transmission fluid. The item you selected, the Derale Series 8000 Plate-Fin Transmission Cooler Kit, part # D13502, would be a good choice as it will fit your 2010 Chevy Silverado 1500. To install Part # D13502, you will also need the Derale Snap-In Radiator Adapter Fitting, part # D13035. I would recommend finding a spot in front of the radiator, behind the front grille...
    view full answer...

  • Transmission Cooler Recommendation for a 2011 Chevy Silverado 1500 with 4.8 Liter Engine
  • Some vehicles are required by the vehicle manufacturer to have a transmission cooler installed if they are to tow. Usually this information can be found in the owners manual. Regardless of whether or not a cooler is needed, it is a good idea to install one because it will keep the transmission fluid in the optimum operating temperature range, and prolong the life of the transmission. For your 2011 Chevy Silverado with a 4.8 liter, the most popular cooler is the Derale Plate-Fin...
    view full answer...

  • Transmission Cooler Recommendation for a 2007 Chevy Silverado 4x4 with Tow Package and 5.3 Liter
  • The ideal operating temperature for the transmission and fluid is between 160 and 200 degrees Fahrenheit. Transmission fluid cannot be overcooled, so adding an aftermarket cooler would be a good idea as factory coolers can be inadequate for towing applications. The Derale Transmission Cooler, # D13502, is one of the recommended coolers for the 2007 Chevy Silverado with the 5.3 liter engine. Since you are towing upwards of 9,000 pounds, I would recommend a higher capacity cooler like...
    view full answer...

  • What Adapters Are Needed To Install Transmission Cooler on 2009 GMC Sierra
  • For installation of a transmission cooler on your 2009 GMC Sierra with the 4.3L V6 engine you will use the Derale Radiator Adapter, part # D13018. If you have the V8 engine ( 4.8L, 5.3L, or 6.0L) you will use the Derale Radiator Adapter, part # D13035. I have posted a photo to show the typical transmission cooler installation. For your Sierra you will use the correct Derale Radiator Adapter Fittings (# D13018, or # D13035) for the engine you have, then install the adapter in the radiator...
    view full answer...

  • How Many Derale Snap-In Radiator Adapter Fitting for GM, # D13035 are Needed on a 2010 GMC Canyon
  • To install a Derale transmission cooler on your 2010 GMC Canyon you will need one of the Derale Snap-In Radiator Adapter Fitting for GM, # D13035. This will snap into the factory transmission coolers output fitting to allow you to run the coolant line from it without having to cut or flare the original fitting on the factory cooler. When installing a transmission cooler on your vehicle you will want to measure the area in front of your radiator to find out what size cooler will fit....
    view full answer...

  • Transmission Cooler Recommendation Needed For a 2007 New Body Chevrolet Silverado 6.0 Liter
  • The Derale Series 8000 Plate-Fin Transmission Cooler Kit, item # D13504, would be a great choice for your 2007 Chevrolet Silverado. You will also need a Snap-In Radiator Adapter Fitting, item # D13035, to complete the installation on your 6.0 Liter New Body Style truck. You will remove the OEM transmission return line snap in fitting, install the # D13035 fitting and then run a line from the newly installed fitting to one of the ports on the transmission cooler. Then, run another length...
    view full answer...

  • Recommendation For Transmission Cooler on 2008 Chevrolet Silverado 1500 LS With 4.8 Liter V8
  • Ideally you want to keep the temperature of the transmission fluid in the 160 to 200 degree range. You cannot cool transmission fluid too much. Transmission coolers are universal fit items so you will want to measure the space you have in front of your air conditioning condenser or your radiator to see what size cooler will fit your 2008 Chevrolet Silverado 1500. Installing an additional transmission cooler in-line with the current transmission cooler would help in cooling the transmission...
    view full answer...

  • Transmission Cooler Recommendation for a 2011 Chevy Silverado with 5.3 Liter Engine
  • The optimum temperature for transmission fluid is between 160 and 200 degrees Fahrenheit (70 to 93 degrees Celsius) so at 240 (116 Celsius) you were definitely above that range. When towing up a high at low speeds using a low gear or towing mode, if available, would be the correct way to go about towing the trailer. I would recommend adding a transmission cooler to your 2010 Chevy Silverado. I would use a class III or higher cooler rated for at least 6,000 pounds. You can use # D13503...
    view full answer...

  • Transmission Cooler Recommendations for a 2005 Chevrolet Silverado 2500 HD 6.0L
  • When it comes to installing an aftermarket transmission cooler you will want to choose the largest and highest rated transmission cooler that will fit on your 2005 Chevrolet Silverado 2500 HD 6.0L because transmission fluid cannot be over cooled. Aftermarket transmission coolers are supplemental coolers and are designed to be install in-line with your factory transmission coolers return line. Transmission coolers with fans like the Derale 16-Pass Electra-Cool Remote Transmission Cooler...
    view full answer...

  • Recommendation for Complete Towing Setup on a 2007 Chevrolet Uplander 3.9 Liter
  • I did some research on your 2007 Chevrolet Uplander and found that the maximum recommended towing capacity for this vehicle is 3,500 pounds. If your trailer is 2,600 pounds empty, you would be limited to 900 pounds or less of cargo. If 900 pounds of cargo sounds about right, you will need to check your hitch capacities and make sure it is capable of towing 3,500 pounds. You may find that a weight distribution system is needed to safely tow the maximum capacity with your vehicle. You...
    view full answer...

  • Recommendation For Transmission Cooler On a 2010 Chevrolet Silverado 1500 Towing a 7,000 Lb Trailer
  • Ideally you want to keep the temperature of the transmission fluid in the 160 to 200 degree range. You cannot cool transmission fluid too much. Transmission coolers are universal fit items so you will want to measure the space you have in front of your air conditioning condenser or your radiator to see what size cooler will fit your 2010 Chevrolet Silverado 1500. Since you will be towing a 7,000-lb trailer through the mountains with your Silverado I would recommend to use the Derale...
    view full answer...

  • Transmission Cooler Recommendation for a 2012 Chevy Traverse
  • First, you do not necessarily have to remove the front clip on your 2012 Chevy Traverse to install a supplemental transmission cooler. It just makes installation a lot easier if there is nothing in the way. We have not yet installed a transmission cooler on a Traverse so I do not have a video or specific instructions on removing the front clip. When our installers perform an installation they have to determine where the fasteners are that hold on the front clip (if it is a vehicle they...
    view full answer...

  • Recommendation for a Transmission Cooler for Maximum Towing Capacity on a 2002 Chevrolet TrailBlazer
  • The Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class IV - Efficient , item # D13504, will work on your 2002 Chevrolet TrailBlazer. Along with this cooler you will need the Derale Radiator Adapter Fittings for GM , item # D13018, if your TrailBlazer has the 6.0 Liter engine or the Derale Snap-In Radiator Adapter Fitting for GM , item # D13035, if your engine is the 4.2 or 5.3 liter. I cannot recommend completely replacing the factory transmission cooler on your...
    view full answer...

  • How to Install the Derale Snap-In Radiator Adapter on a 2008 Chevrolet Suburban
  • The original transmission cooler line is held in by an E clip. Once you locate the E clip at the radiator housing you will need to push in on the transmission cooler return line, and use a awl or small screwdriver to pry the E clip off of the line. The transmission line will then come out of the radiator housing. You will then install the Derale Snap-In Radiator Adapter, item # D13035, using the E clip to hold the fitting in place. If this fitting leaks, an O-Ring in the radiator at...
    view full answer...

  • Attaching Hose to Transmission Lines When Installing Transmission Cooler on 2005 Chevy Suburban
  • The hose from the aftermarket cooler would simply slip over the flare on the end of the line that was removed from the radiator. There will be enough play in the line so that it can be moved back from the radiator. Make sure you slip the hose onto the line far enough so that the flare will prevent the hose from backing off the line once its secured with a hose clamp. I have linked you to some FAQ articles about transmission coolers that you might find helpful.
    view full answer...

  • Recommendation of Transmission Cooler for 2009 Chevrolet Silverado 1500 Towing a 6,000 Lb Trailer
  • The Derale Series 8000 Plate-Fin Transmission Cooler Kit, part # D13504, is a Class IV cooler which means it is designed for vehicles that are towing up to 12,000 lbs. Since you will be towing a 6,000-lb travel trailer with your 2009 Chevrolet Silverado 1500, it would be a good decision to go with this Class IV transmission cooler added to the factory transmission cooler in your radiator. You will need to measure in front of your A/C condenser to find out if you have enough room to...
    view full answer...

  • Transmission Cooler Recommendation for a 2012 Chevy Silverado 2500 HD
  • Transmission coolers are not vehicle specific so you can install any one that will fit including # D13504. For the 6.0 liter engine you may need fitting # D13035. If you have a hard metal line and do not want to use the fitting, you could cut the metal line, flare it, and use hose clamps. The transmission cooler comes with hose, clamps, and mounting hardware. It also includes an Insta-dapt radiator adapter. This adapter is if you have a rubber line, not a metal line, so you can use...
    view full answer...

  • 2010 GMC Sierra 2500HD Transmission Cooler Recommendation
  • For your 2010 GMC pickup truck I would recommend that you get a Derale Transmission Cooler for the 2010 GMC Pickup, Sierra, part # D13105. The ideal transmission fluid temperature is from 160 to 200 degrees, 240 is way too hot and you should definitely upgrade your transmission cooler before you pull your trailer again. Otherwise, you may cause serious damage to your transmission. I recommended the # D13105 because it has a higher weight capacity than your trailer weighs and it should...
    view full answer...

  • Transmission Cooler Recommendation for a 2013 Chevy Silverado 1500
  • All vehicles with an automatic transmission have a factory transmission cooler. Normally it is located inside the radiator but it can also be outside of the radiator. Trucks that have a tow package often have a larger cooler that is outside of the radiator. Regardless of where your factory cooler is located, you can still add a supplemental cooler because transmission fluid cannot be over cooled. You are correct about towing in warmer weather and in the mountains. It will increase the...
    view full answer...

  • Transmission Cooler Installation Location on a 2012 Chevy Silverado 1500
  • Your 2012 Chevy Silverado 1500 most likely has the GM 6L80 transmission. On this transmission, the bottom line on the transmission should be the return line (based on some research I did online for this transmission). You should be able to install the transmission cooler like you have described provided you have enough hose to reach. If you install it at the steel lines then you can use a hose fitting, # D13018 for the 4.3 liter or # D13035 for any of the larger motors, so you will...
    view full answer...

  • Installing A Transmission Cooler On A 2007 Chevy Express 3500 6.0L Roadtrek Conversion Van
  • To determine what kind of transmission cooler you will need depends on how much weight you will be towing and where you will be towing. Also, you will also want to measure the area in front of the AC condenser to see what size cooler will fit on your 2007 Chevy. I am sending a link to a FAQ page that will give you information on transmission coolers. The GTW rating is the Gross Towing Weight capacity. This is the weight of the trailer, including the load in the trailer. This will help...
    view full answer...

  • Is Derale Adapter, # D13035, Needed To Install Derale Cooler, # D13504, On 2009 Chevy Silverado
  • To install the Derale Series 8000 Plate-Fin Transmission Cooler Kit, # D13504 on your 2009 Chevrolet Silverado you will need one of the Derale Snap-In Radiator Adapter Fitting for GM, # D13035. This will snap into the factory transmission coolers output fitting to allow you to run the coolant line from it without having to cut or flare the original fitting on the factory cooler. You will want to measure the area in front of your radiator to make sure you have room to install the Derale...
    view full answer...

  • Which Line Is Transmission Fluid Return Line on 2009 Chevrolet Tahoe
  • Typically the return line of the transmission is the one at the bottom of the cooler. You can do a small test to determine which line is the return line. First, start engine while engine is cold. Put the transmission in drive for no more than 10 seconds Stop engine Feel the both of the lines, and whichever one is cooler is the return line that is taking the fluid back to the transmission. To install the cooler you selected, Derale Transmission Cooler, part # D13611, you will also...
    view full answer...

  • What is the Best Transmission Cooler for a 2010 Chevrolet Silverado with 4.8 Liter V8
  • The best transmission cooler for your 2010 Chevrolet Silverado with 4.8 liter engine would be the Derale Series 8000 Plate-Fin Transmission Cooler Kit, item # D13503, along with a snap-in radiator adapter fitting, item # D13035. I have linked a photo showing the recommended installation for this cooler with Snap-In Radiator Adapter Fitting. The transmission fluid cannot be cooled too much, so having the transmission cooler installed will only help the life of your transmission. The only...
    view full answer...

  • Recommendation for a Transmission Cooler with Max Cooling Capacity for a 2007 Chevy Avalanche
  • The Tube and Fin Class IV Transmission Cooler, item # D13105, is designed for towing with a gooseneck or fifth wheel trailer, up to 12,000 lbs. This transmission cooler will supply excellent cooling for your Avalanche and will not affect the performance of your vehicle when not towing. You cannot cool the transmission too much. The only consideration is that when it is very cold in the winter you should allow the transmission to come up to temperature before taking off or putting a load...
    view full answer...

  • Derale Combination Transmission and Engine Oil Cooler Installation on a 2007 Chevrolet Suburban
  • The Combination Engine Oil and Transmission Cooler you purchased, # D15902, will work great on your 2007 Suburban, provided that there is 2 inches of clearance below the OEM oil filter for installation of the sandwich adapter and installation and removal of the filter and there is room for the oil cooler hose to be routed when the sandwich adapter is installed. Lets break the installation down to engine oil cooler and transmission oil cooler separately since the combo you purchased is...
    view full answer...

  • Transmission Cooler Recommendation for a 2008 Chevy Silverado LTZ 1500 5.3L / Z71 4X4
  • When choosing a transmission cooler, it is always a good idea to go with the largest one that will fit in the available space in the engine compartment. Also, the most efficient place to mount a cooler is directly behind the grille in front of the A/C condenser. I recommend cooler # D13504. If measures 11 inches wide, 12 inches tall, and 7/8 inches deep. Check the space in your trucks engine compartment to determine if you have space enough for this cooler. You may also need fitting...
    view full answer...

  • Transmission Cooler Recommendation for a 2004 Chevrolet Silverado 4.8L Towing a Travel Trailer
  • The Derale Series 8000 Plate-Fin Transmission Cooler, # D13504, would work great on your 2004 Chevrolet Silverado 4.8L when towing your 6,000 lb travel trailer. This transmission cooler has an efficient plate-fin design allowing you to use a smaller size transmission cooler without sacrificing performance. This cooler does include a hose and universal adapter fitting, but if you would like a vehicle specific fitting you can use the Derale Snap-In Adapter Fitting for GM, # D13035, and...
    view full answer...

  • Can the Inlet/Outlet Fittings on Trans. Cooler Point Down on a 2006 Chevy Colorado
  • It would not be required that you mount a Derale Dyno-Cool Tube-Fin Transmission Cooler Kit, part # D12906, in any particular direction, the line pressure from the transmission will push the fluid through the cooler regardless of if its mounted horizontally, vertically or any direction in between. I would recommend you choose a location based on receiving maximizing airflow through the cooler, regardless of what direction it points. I would also recommend you get a Derale Snap-In...
    view full answer...

  • What are the Measurements of the Derale Snap-In Radiator Adapter Fitting, # D13035
  • I went out to the warehouse and pulled a Derale Snap-In Radiator Adapter Fitting, # D13035, to take some measurements for you. The overall length is 2 inches. The larger flare is approximately 0.48 inches in diameter and the smaller flange is 0.43 inches in diameter. The diameter of the main body is 0.37 inches. And finally the diameter of the opening on either end is 0.27 inches. I produced a picture that shows the dimensions for you.
    view full answer...


Info for this part was:


Photos by:
Theodore B

Expert Research:
Michael L

Updated by:
DeAnne T

Expert Research:
Robert G

Expert Research:
Michael H

Expert Research:
Jeff D

Video Edited:
Joshua S

Expert Research:
John H

Updated by:
Adele M

Expert Research:
Adam R

Video Edited:
Dustin K

Photos by:
Sam P

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