Trucool transmission cooler

Trucool transmission cooler DEFAULT

Tru-Cool Max Transmission Cooler 40,000 GVW Fluid Oil 40K True Long Brand 4739-1 LPD47391 Automatic

5

Works like a charm on a 2001 F250

Andrew Kruse

07/16/2021

Verified Buyer

Before installing, we towed a 12,000 lb fifth wheel in 90-degree heat, we would hit 220 going up steep hills and have to pull over to cool down. Once we installed this on it, we never went over 180 degrees in similar conditions, except with much steeper hills. Regular driving without a camper it never exceeds 140 degrees. This thing is exceptional.

1 of 1 customers found this helpful.

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5

very happy Silverado owner

Carl N Archuleta

07/04/2021

Verified Buyer

shipped fast and very easy install. My Silverado Z-71 was getting transmission temperatures up over 200 degrees on the highway after installing my lift and 35's, but after installing the Tru-Cool 40k we went on the highway with outside temps in the 90's and giving my truck hell the highest the transmission temperature got was 180. So I'm am very pleased with this product, price, and ease of installation. Thanks guys and God bless. 👊💯😎

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5

Tru-Cool 40k for Pontiac Grand Prix GXP

Brandon

06/24/2021

Verified Buyer

First of all, I am extremely happy with OPT. They repackaged the 40k cooler in a larger box and took the hose and mounting equipment out of the original box to prevent the mounting equipment from damaging the cooler. 10/10 Secondly, this cooler has worked great in standalone configuration on my 2006 Pontiac Grand Prix GXP. I created a website with a guide on how to install one of these coolers. https://sites.google.com/view/grand-prix-gxp-trans-cooler/how-to-install-a-transmission-cooler-on-a-2004-2008-pontiac-grand-prix-gxp I live in Texas and our outside temperature range is typically 30 to 110 degrees, more or less. It's currently June, and the highest temperature I have seen my transmission fluid be is 163 degrees on a 98 degree day. Any temperature under 200 degrees is ideal. These GXPs tend to run very hot without modification, reaching up to 220 degrees on a 30 minute drive on a very hot day. Even on a cold day, it'll get much hotter than 180 degrees on a long drive. This cooler in standalone configuration certainly solves that problem for me. The only downside to the 40k is that due to its huge size, the way I mounted it required me to modify some plastic on my car I wish I didn't have to modify. It was entirely due to the inlet and outlet being on the bottom. I would suggest to any other LS4 vehicle owners, that if you don't live in a place that often gets over 100 degrees outside, that you save yourself some trouble and get a Tru-Cool 30k instead. That one has the inlet and outlet on the side instead of bottom, so plumbing it to your transmission will be a lot simpler.

1 of 1 customers found this helpful.

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5

Clean ,not damage, came with fittings

Louis G

06/07/2021

Verified Buyer

This is second time I've ordered from them ,quality and no issues with shipping

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5

2003 Silverado SS

Michael Frank

06/01/2021

Verified Buyer

Amazing product! Normally. I’d reach 200° on a 75° day and I’m unable to even break 110 after this install. Transmission seems much happier and now has the ability to stay cooler.

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5

40k try cool

Gabriel

05/06/2021

Verified Buyer

Great!!!

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5

Awesome ATF cooler

08 silverado

04/18/2021

Verified Buyer

After installing, & observing fluid temperature range.. Tru-Cool Max, works excellent, on keeping the ATF temperature down when towing & just normal driving. Thank You.. Oregon Performance Transmission.

3 of 3 customers found this helpful.

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5

Great product

Daniel Mejia

03/12/2021

Verified Buyer

Great product dropped my trans temp after installing 3600 stall only down side was extremely slow shipping

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5

Very nicely packaged

Michael Hernandez

12/15/2020

Verified Buyer

My cooler came very nicely packaged. Also this cooler works way better than my stock trans cooler. Easy install and a good price. I recommend Oregon Performance. I wish I could leave pictures of my install lol

2 of 2 customers found this helpful.

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5

2019 Tundra

Ricardo Vale

12/04/2020

Verified Buyer

Since the 2019 and 2020 Tundra now come without a transmission cooler,, this was an excellent choice.. Cooler looks very well built. I used the brackets that came with the kit. Fit perfectly. I have pictures if needed.

1 of 1 customers found this helpful.

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5

40k trans cooler

Pompeyo

11/16/2020

Verified Buyer

Super awesome cooler with a built trans and cammed truck keeps temps roughly around 130ish

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5

Bigger and cooler

C.J. HERRERA

09/16/2020

Verified Buyer

Was a fairly easy install and worth it, I did the install myself and was easy.

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5

Amazing Tranny Cooler

Matt Kuhar

08/23/2020

Verified Buyer

Absolutely incredible results on my 2007.5 Silverado 1500. Cruising around id get to about 210 on the gauge, if i was romping it i could see 230 or more. Now, I struggle to see 130 on a cool night, never above 150 or so during heat of the day. Loving it!!!

2 of 2 customers found this helpful.

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4

01 2500HD

Paul

07/10/2020

Verified Buyer

Arrived promptly. Lowered my trans temp while towing 6000 lbs up hills on 80 degree Fahrenheit days at 3300 feet above sea level. Previously 230 degrees Fahrenheit down to 169. Averages about 140 degrees Fahrenheit with no load, on 75 degree days at 3300 feet. Prior to install have pulled about 14,000 lbs and believe I could better do so now and not exceed 210-220 degrees Fahrenheit. I haven't tried winter driving at -20 degree Fahrenheit yet, but hope the thermostat bypass works. Mileage at install 246,000 miles. Transmission 4L80E. Only drawback is installation is not plug and play for 2001 Chevy 2500 HD. Needed a tubing cutter to cleanly cut existing steel transmission cooler lines for attaching rubber hoses to have sweeping curves. Had to flip existing transmission cooler bracket upside down and notch ends. Drill it to match lower holes on this new cooler and then use the supplied self tapping bolts. You then have to find a way to attach your outside air temperature sensor. I fabricated two of the supplied metal tabs into a crude bracket. Also, you will need to cut off the welded tab holding the power steering cooler to the frame that holds the hood latch and tranny cooler. I used a cutting wheel on my grinder. Then use a strong zip-tie to reattach the power steering cooler to the said frame. There are aftermarket brackets. they may save these fabrication steps? Hoses are rubber and use hose clamps to secure to barbed fittings that are NPT and thread into cooler. Check these connections every so often as tranny fluid will decay these hoses and if they ever leak you could loose all your fluid with no indication until your transmission is ruined. Overall a good value for the money. Quality aluminum plate cooler made in Canada. Remedies General Motors original shortcomings in transmission cooling. Oregon Performance was prompt and sent a follow up survey. Good job guys.

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5

One bad transmission cooler

Mr. Ware

06/01/2020

Verified Buyer

Id like to say that when i heard about this transmission cooler i was all onboard. I own a 2001 chevy suburban 4x4 and i actually use it the way it was designed. Im an outdoorsman so it sees mud, snow, heat, dirt/dust, and towing. Original transmission with 200k+ miles so i wanted extra insurance while towing 7k lbs. I do not have a trans cooler temp gauge as of yet so i cant give specific numbers but she runs like a champ and shifts are smooth and on time. No dragging at all under heavy load. The customer service from Brian was nothing but the very best. It was very late at night (morning) and i needed the part shipped to the east coast faster than pronto and he made sure that i got it right on time and was able to install it and make my trip. Install was straight forward and little fabrication was required. The product works and works well and customer service is 2nd to none. Thanks again for your hard work proving to this 1st time customer that your company is one worthy of my business for the long haul!

7 of 7 customers found this helpful.

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5

2005 Chevy Silverado crew cab

John F

05/22/2020

Verified Buyer

Im very happy with this cooler. Easy installation and great shipping.

3 of 3 customers found this helpful.

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5

2011 GMC SIERRA

Charles

05/14/2020

Verified Buyer

Couldn’t be more happier, not only did the job/ still doing. But My temp dropped by around 25 degrees while pulling our camper, and simplify adding a longer life to my transmission. I wish I’d done this A LONG TIME AGO

5 of 9 customers found this helpful.

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5

Just buy it.

spencer

04/23/2020

Verified Buyer

Easy fit on my 2001 Silverado 1500. Minor drilling required and all the fittings needed included. Fast shipping.

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5

Amazing product for the best price.

Noah S

04/03/2020

Verified Buyer

I had previously ordered one from another retailer on eBay, and it came damaged from the brackets being on top of the cooler fins. I was delighted to see that your company had already foreseen the likes of this issue and took it out. Wrote a note explaining why and even some pointers on installation. I cannot thank yall enough and will link your page and this product Everytime somebody asks about a transcooler in the LS4 community. Thanks again 😁👍

8 of 9 customers found this helpful.

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5

89 GMC C7000 366 v8 Allison at540

Jason T.

03/26/2020

Verified Buyer

Purchased a 40k trans cooler for my work truck because no one makes a radiator for these trucks anymore with a built-in trans cooler. The cooler setup came with everything needed to install and the cooler is very well built. Shipping was fast great company to work with THANKS OREGON. Look for to doing future business.

3 of 3 customers found this helpful.

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5

Hi

Fran

03/24/2020

Verified Buyer

The delivery of my trans cooler was on time. The cooler itself was well packaged and in good condition when I opened it up. It was the exact sized cooler to replace my old one. Thank you for your service.

5 of 5 customers found this helpful.

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5

Question

Will this fit a 2016 5.3 silverado?

1 of 1 customers found this helpful.

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5

2001 Chevy G3500 Van with 5.7 Vortec & 4L80E

Jake

01/27/2020

Verified Buyer

This van comes stock with a small oil cooler for the 4L80E trans and it used to heat up and shift hard in the mountains. On one particular pass the gauge would read about 185F. Now in similar conditions it reads 130F. This is a high quality unit and the mounting kit is really nice.

8 of 8 customers found this helpful.

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4

2007 2500 Dodge Ram 5.9 diesel

Blake Brovont

11/09/2019

Verified Buyer

I installed a 40k transmission cooler in my 2007 Dodge Ram 2500 5.9 diesel. It has been run at least 30 degrees cooler. So far I’m impressed.

13 of 16 customers found this helpful.

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5

Transmission cooler

Easy install on a 2008 Yukon Denali. Fit great and had a 30 degree drop in transmission temp. I did buy a separate kit with custom brackets for GMC trucks, made install a snap.

13 of 13 customers found this helpful.

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5

Mission accomplished!

Sharon Tatum

10/08/2019

Verified Buyer

This trans cooler did exactly what I needed it to do! Lowered overall temp by 30-40 degrees.

8 of 9 customers found this helpful.

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5

Transmission oil cooler

Tom Langston

09/30/2019

Verified Buyer

Put Transmission oil cooler in 2010 Sierra 1500 to tow dump trailer. Install was a snap since heavy 1/2 ton had small one in place. About 3 times the surface area of OEM cooler and dropped operating transmission temp 20 % ( or about 35 degrees under load). Happy with purchase.

10 of 10 customers found this helpful.

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5

It just works

Lance

07/21/2019

Verified Buyer

I have a built Allison transmission in my 2011 Duramax; factor that in with the west Texas heat and the factory transmission cooler just couldn’t keep up. After installing the Tru Cool Max I’m seeing 30 to 40 degree lower transmission temperatures now! Great, effective, quality product. Highly recommended!

8 of 9 customers found this helpful.

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5

40k trans cooler

Isaac M Ramos

07/13/2019

Verified Buyer

I recently purchased a 40k transcooler for my 08 Chevy 2500 and man did it do exactly what I needed. My gauges changes 35-50 degrees cooler and I couldn't be any happier. Shipping was 5 days like planned. Thanks Oregon performance

5 of 5 customers found this helpful.

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5

OPT

TD

06/26/2019

Verified Buyer

Great cooler. Great Price. Well packaged arrived quickly. No damage THxs

4 of 4 customers found this helpful.

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5

Tru Cool 4739-1

David Farrell

05/02/2019

Verified Buyer

The cooler came quick and with no damage. Installation was easy. Trans is running so cool now I can't believe it. Great product. I should have done this years ago.

8 of 9 customers found this helpful.

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3

Large well made cooler - Hard to find AN fittings

Dejay

02/01/2018

Verified Buyer

The cooler is large and appears to be very well made. No doubt it is going to help keep everything cool. Only problem I had was the fittings on it are 3/8 inverted flare. I was not able to find fittings to convert this to 6-AN so installed it with the bard fittings that were supplied.

Very sorry for any issue you may have had. There are a few options on the inverted flare to -6 AN fittings. Russell brand, part number 640380 is a 5/8"-18 to -6 AN adapter that will work.

9 of 9 customers found this helpful.

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5

Fast shipping

G

12/21/2017

Verified Buyer

Shipped cooler right away. Nice product. Keeps my F250 cool.

2 of 3 customers found this helpful.

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5

Tru-Cool Max 40,000 GVW 4739-1 LPD47391

Dave N.

09/20/2017

Verified Buyer

Great Service, Great price, Fast Shipping, Cooler Arrived in perfect shape installed on my 2013 Silverado with some fabrication Huge difference in lowering the temperature Death Valley tested, I'm extremely Pleased Thanks OPT.

10 of 11 customers found this helpful.

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5

40.000 gvw Tru cool trans cooler

Bryan

06/03/2017

Verified Buyer

This 40k cooler fit with some fab work in in my 2008 sierra1500 very easy,Dropped trans temp from 195* to 160* works very good ran it inline with radiator cooler

6 of 8 customers found this helpful.

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5

Awesome Cooler

Ruben

05/14/2017

Verified Buyer

Awesome Cooler & Great service from Oregon Performance Transmission.

2 of 2 customers found this helpful.

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5

Best cooler ever

Ahmed Al-Abri

04/05/2017

Verified Buyer

the strongest cooler in the market unti now, amazing for hot desert climate and extreme sand driving. thanks oregon for the fast service.

4 of 4 customers found this helpful.

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5

NICE COOLER

CODY

02/10/2017

Verified Buyer

THE COOLER IS GREAT. JUST WHAT I NEEDED. SHIPPED RIGHT AWAY.

4 of 4 customers found this helpful.

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5

Top quality!

G.D.

02/03/2017

Verified Buyer

The Tru-Cool Max cooler fixed my customer's transmission overheat where the prior installed 10,000 pound RV cooler could not. The Tru-Cool Max design improved air flow through the radiator and dropped his engine temperature as well. The thermal bypass appears to be aircraft quality and allows quick warm up. Good mounting hardware too. In a separate class from common parts store coolers.

7 of 8 customers found this helpful.

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Sours: https://www.oregonperformancetransmission.com/mm5/
  • Home
  • Tru Cool
  • TRU-COOL TRANSMISSION COOLER STACKED PLATE - 146 x 280 x 38 BTU Rating - 14,000 -24 plates
TRU-COOL TRANSMISSION COOLER
STACKED PLATE - 146 x 280 x 38
BTU Rating - 14,000 -24 plates

Additional Information

Fittings - 11/32" Hose Barb

Tru-Cool transmission oil coolers help maintain lower operating temperatures, significantly extending the lives of both your lubricant and your transmission. Protect your work, your warranties and your reputation with Tru-Cool and get the advantage that comes from Dana-backed quality.

Click here for application guide matrix

Suits
Brand:Oil Cooler-External Automotive

To estimate the freight on this item simply enter the destination postcode and the desired quantity and click the "estimate" button.

Sours: https://www.adradperformance.com.au/products/LPD4588
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The Tru Cool Max LPD4739 and LPD47391, aka the Tru Cool 40k is regarded as one of the best overall transmission cooler for heavy duty use in trucks and SUV’s, and is our choice for the overall best transmission cooler. The Tru Cool 40k gets its name from having a GVW (gross vehicle weight) rating of 40,000.

It is very common for drivers who monitor trans temps to see a significant decrease in fluid temperatures after installing this cooler.  The combination of it being an efficient plate and fin style cooler and its overall size help keep transmission fluid cool in even the most extreme conditions.

Tru Cool 40k With Thermal Bypass

Tru Cool 40k transmission cooler LPD4739 with thermal bypass - Transmission Cooler Guide While both are very similar, there are two different part numbers, the Tru Cool Max  for the Tru Cool Max LPD47391 and LPD4739. The two are designed exactly the same but the LPD4739 utilizes a thermal bypass system within the cooler.

This lets the fluid heat up before it flows throughout the whole cooler.  As fluid warms up it gets thinner, so the colder fluid only flows through the first part of the cooler until it is able to flow better after reaching optimal temperature.

The 40k cooler with thermal bypass is best for drivers who live in colder climates. It is recommended to utilize the stock transmission cooler in the radiator with the Tru Cool Max LPD4739 to allow the fluid to get to a suitable temperature.   While having transmission fluid not get too warm is the goal, it still needs to get warm enough to flow properly through the body of the cooler.

Get The Best Price on Tru Cool 40k With Thermal Bypass

Tru Cool 40k Trans Cooler Specs

Tru Cool 40k transmission cooler LPD47391

The Tru Cool 40k trans cooler features a highly durable double brazen aluminum construction with precise fin spacing to ensure efficient airflow through the body for maximum cooling. With its 13 rows of cooling, the cooler does a phenomenal job at keeping temperatures in check.

It uses 3/8″ inverted hex flare fitting, which allows for the use of 6 or 8 an lines and fittings for a more secure fit and greater fluid capacity.

Because this cooler is so large and provides extremely efficient cooling capabilities, you can use this as a standalone trans cooler if you so choose.

Cooler Dimensions: 8 1/2″ x 22″ x 1 1/4″

GVW: 40,000 pounds

BTU Rating: 45,000

Fitting Size: 3/8″ inverted flare hex with 5/8″ thread size –  This is great for those looking to install custom transmission lines

Installation Kit:  Yes – Includes universal installation kit with rubber transmission line, various fittings, clamps, and mounting hardware

Tru Cool 40k Transmission Cooler Fittings - Transmission Cooler Guide

Recommended Uses

  • Towing
  • Daily Driven Trucks & SUV’s
  • Performance Trucks & SUV’s

Common Applications

With how big the Tru Cool 40k is, this cooler would be the ultimate trans cooler for those drivers who demand high cooling efficiency.  Many diesel truck owners who tow utilize this cooler to help better control fluid temps. The Tru Cool 40k was on our list of transmission coolers to consider in our towing guide based on its size and how much cooling capacity is offers.

Another common market you will find these coolers used is is within the performance truck realm, especially the Chevy Trailblazer SS, Jeep Cherokee SRT 8, Ford Lightning, or modded full size trucks.

Tru Cool 40k installation on Trailblazer SS - Transmission Cooler Guide

In addition, the Tru Cool 40k is a perfect transmission cooler upgrade for the Cummins, Duramax, and Powerstroke diesel guys as well. Often these trucks see some serious abuse, so this trans cooler is a very viable option for those needing above average transmission cooling.

Since the Tru Cool 40k is such a popular GMC Sierra and Chevy Silverado transmission cooler upgrade on trucks that have 4l60e, 4l80e, or newer 6l80e transmissions, GM full size 1500 and 2500 pickup and SUV owners are fortunate enough to be able to easily mount and install this cooler on their trucks. There are a number of specific Tru Cool 40k Silverado brackets,install, and mounting kits available.  

With how great this cooler is when it comes to keeping temperatures in a safe range, it’s easy to understand why this is the go to transmission cooler for a number of truck or SUV needs.  The Tru Cool 40k is by far on of the best transmission coolers for drivers who demand excellent cooling performance.

Tru Cool 40k Transmission Cooler Installation

tru coo max 40k install on Silverado with brackets and install kit - Transmission Cooler Guide

When installing a transmission cooler, especially the Tru Cool Max 40k, it is important to figure out how much space you have to mount it. Based on its size, the most common area to install the 40k is in front of the radiator. This will provide the most air flow while driving, which will keep temps low.

Most trucks and SUVs have supports that hold the hood latch or stock trans cooler in place. This would be the perfect place to mount the cooler. Since it is much larger than any stock external cooler, you will have to get creative with how you mount the Tru Cool 40k. More often than not, you can get the cooler to fit in this space with some extra mounting hardware.

When considering this cooler as a stand alone (bypassing the stock cooler), it is adequate enough to handle the needs of most applications.  While is it typically recommended to utilize this cooler with the stock radiator cooler, it can certainly be used by itself.

Tru Cool 40k Mounting

There is often debate about installing the Tru Cool 40k and mounting direction. Many will argue that it should be installed either up or down.  Based on past experience, we have never seen any issues with the Tru Cool 40k being mounted down (fittings down).

Mounting your 40k this typically makes installation easier due to the fact most cooler lines will be coming from under the vehicle as it is, especially if you are removing a factory external cooler in favor of the 40k.

What We Like About the Tru Cool 40k Transmission Cooler

  • GVW Rating of 40,000
  • Includes cold weather bypass – Perfect for towing in colder climates
  • Fitting type – The inverted flex flare provides a more secure connection to to transmission cooler lines assuming the right fittings are used
  • Can bypass the stock cooler – This cooler is large enough to use as a stand alone transmission cooler
  • Includes universal installation kit for simple installs.  Kit comes with transmission line, fittings, clamps, mounting hardware

Tru Cool 40k Pros & Cons

  • 40,000 GVW Rating
  • Includes Thermal Bypass (If Needed)
  • Low Pressure Drop System
  • Inverted Flare Fittings
  • Ability To Use As Stand Alone Cooler
  • Includes Universal Install Kit
  • May Be Hard To Fit In Some Vehicles
Sours: https://transmissioncoolerguide.com/tru-cool-40k-transmission-cooler-review/
Silverado gets a Tru Cool 40k transmission cooler

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Cooler trucool transmission

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TRU-COOL 40k Transmission Cooler Installation

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