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GM Genuine Parts 20835127 Automatic Transmission Fluid Auxiliary Cooler Inlet Line

4.5 4.5 out of 5 stars 67 ratings
$32.64 with 32 percent savings
List Price: $48.30

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Purchase options and add-ons

Brand General Motors
Color Silver
Item Weight 0.9 Pounds

About this item

  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
› See more product details

Frequently bought together

GM Genuine Parts 20835127 Automatic Transmission Fluid Auxiliary Cooler Inlet Line
$32.64
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Only 3 left in stock (more on the way).
Ships from and sold by Amazon.com.
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ACDelco 20835123 Automatic Transmission Fluid Cooler Lower Line
$37.04
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Only 16 left in stock (more on the way).
Ships from and sold by Amazon.com.
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ACDelco 20835125 Automatic Transmission Auxiliary Fluid Cooler Upper Line
$48.84
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From the manufacturer

Certainty Starts Here

THREE TIERS OF A PREMIUM PORTFOLIO

GM OE

ACDelco Gold

ACDelco Silver

GM ORIGINAL EQUIPMENT

GM Genuine Parts and ACDelco Original Equipment are the true OE parts installed during production or validated by General Motors for GM vehicles. These maintenance, repair, powertrain and collision components are designed and engineered to meet rigorous standards set by General Motors.

GOLD

ACDelco Gold parts are the high-quality alternative to OE parts. These parts are manufactured to meet expectations for fit, form and function, making them a smart choice for General Motors vehicles and many makes and models, including special applications.

SILVER

ACDelco Silver parts are high-quality, high-value options for General Motors vehicles, as well as for most makes and models.

Our History

OUR HISTORY – OUR ROOTS EMPOWER US

ACDelco has been at the forefront of automotive innovation since the birth of GM in 1908. Since then, we’ve helped a woman fly around the world and a man traverse the surface of the moon.

However, our history isn’t half as promising as our future. We continue forward with GM Genuine Parts by our side. From the assembly line to the finish line, we’re building innovation and improvement on a foundation of GM Original Equipment.

GM Genuine Parts and ACDelco are proud to work together as the only source for true General Motors Original Equipment and aftermarket parts – past, present and future.

Product Description

ACDelco GM Original Equipment Automatic Transmission Oil Cooler Hose is a GM-recommended replacement component for one or more of the following vehicle systems: automatic transmission/transaxle, and/or manual drivetrain and axles. This original equipment hose will provide the same performance, durability, and service life you expect from General Motors.

Product information

Technical Details

Additional Information

Warranty & Support

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Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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GM Genuine Parts 20835127 Automatic Transmission Fluid Auxiliary Cooler Inlet Line

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What's in the box

  • Transmission Cooler

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    Details
    Added to Cart
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    Added to Cart
    Price-32% $32.64
    List: $48.30    		$79.80$39.02$47.90-18% $29.36
    List: $35.72    		$46.78
    Delivery
    Get it as soon as Friday, May 3
    Get it as soon as Friday, May 3
    Get it as soon as Friday, May 3
    Get it May 3 - 6
    Get it as soon as Friday, May 3
    Get it as soon as Friday, May 3
    Customer Ratings
    4.54.5 out of 5 stars67
    4.64.6 out of 5 stars67
    4.84.8 out of 5 stars26
    4.04.0 out of 5 stars8
    4.84.8 out of 5 stars87
    4.64.6 out of 5 stars547
    Sold By
    Amazon.com
    Amazon.com
    Amazon.com
    Autoplicity ✅
    Amazon.com
    Amazon.com
    material
    —
    Rubber, Metal
    Aluminum
    Aluminum
    —
    Metal, Rubber
    weight
    0.9 pounds
    —
    2.2 pounds
    0.43 pounds
    0.45 pounds
    0.98 pounds

    Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    67 global ratings

    Top reviews from the United States

    Capt. Dunsel
    5.0 out of 5 stars OEM part to fix 2007 Silverado 2500HD Duramax trans cooler lines
    Reviewed in the United States on December 11, 2015
    Verified Purchase
    GM Duramax trucks have a history of leaking trans cooler lines, this is the 3rd part number revision for these trans cooler lines I hope GM has it figured out. Line was correct for my truck, they fit exactly like the originals, but installation for replacing these is a big job. Bumper, grill, skid plates, cross member, wheel well liner, air filter and intake system all have to be removed. I used heavy duty tie wraps to try and keep these from moving after installation. Part numbers needed for a 2007 Silverado HD Duramax Extended cab were 20835125, 20835127, and 20835123. I like to use OEM parts for repairs, a lot of people recommend after market kits for fixing these cooler lines, take a look before you buy and decide.
    5 people found this helpful
    Helpful
     Report
    Okietre
    5.0 out of 5 stars 2007 GMC Sierra 3500 classic perfect fit
    Reviewed in the United States on December 31, 2021
    Verified Purchase
    Perfect fit for my truck.
    One person found this helpful
    Helpful
     Report
    Kat
    5.0 out of 5 stars Patients is necessary
    Reviewed in the United States on March 29, 2021
    Verified Purchase
    No more leak! Absolute pain to install but definitely worth it.
    Helpful
     Report
    Amazon Customer
    5.0 out of 5 stars Product Fits LBZ Duramax Without Issue
    Reviewed in the United States on February 16, 2016
    Verified Purchase
    Amazon description stated this would not fit a 2006 GMC Sierra 2500HD LBZ Duramax. That is not correct and does fit. Product is a perfect match for the OEM transmission line.
    2 people found this helpful
    Helpful
     Report
    zoey
    4.0 out of 5 stars Transmission line pain
    Reviewed in the United States on January 31, 2016
    Verified Purchase
    ... This was a lot of work, remove all kinds of stuff took me 6-7 hours to get it done. A lot of twisting and cussing. If they ever fail again I will go with Red's Auto Rehab long hydraulic lines, or some other brand ( Engineered Diesel) that you cut the lines and put on compression fittings and hydraulic hose on to the stock oem hard lines, that came with the truck. . I wanted to keep truck bone stock, but forget it. Truck is a 2006 2500HD LBZ with 25,000 miles on it. One of the lines (under the skid plate) started leaking thought it was a loose connection. not so. Rubber connection to hard line is the problem. The long line has a 90 degree bend and installing it was not easy. The little clips are a pain also. Transmission Line problem is on all of these trucks. I don't trust anyone to work on my truck. However, This job took more time and was harder than I thought. Good luck and take your time! Be safe!
    7 people found this helpful
    Helpful
     Report
    joseluis
    5.0 out of 5 stars Good quality
    Reviewed in the United States on February 17, 2020
    Verified Purchase
    Nine months without problems
    One person found this helpful
    Helpful
     Report
    Steven S.
    5.0 out of 5 stars Perfect fit on 2007.5 2500HD Duramax
    Reviewed in the United States on May 27, 2019
    Verified Purchase
    Perfect fit on 2007.5 Chevrolet Duramaxcrew cab Z71
    One person found this helpful
    Helpful
     Report
    Jack
    5.0 out of 5 stars Works great
    Reviewed in the United States on February 29, 2020
    Verified Purchase
    Works great
    Helpful
     Report