Best General Motors Automotive Replacement Transmission Cooling Lines in 2026

Daisy
Last Updated: Feb 5, 2026

At a Glance: Our Top Picks for General Motors Automotive Replacement Transmission Cooling Lines

GM Genuine Parts 15817233 Automatic Transmission Fluid Cooler Line
#TOP1
Gm Genuine Parts 15817233 Automatic Transmission Fluid Cooler
9.7
PM SCORE
GM Genuine Parts 15781494 Automatic Transmission Fluid Cooler Line
#TOP2
Gm Genuine Parts 15781494 Automatic Transmission Fluid Cooler
9.7
PM SCORE
GM Genuine Parts 19125677 Automatic Transmission Fluid Cooler Line Fitting
#TOP3
Gm Genuine Parts 19125677 Automatic Transmission Fluid Cooler
9.6
PM SCORE

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Summary of the Best General Motors Automotive Replacement Transmission Cooling Lines of 2026

Gm Genuine Parts 15817233 Automatic Transmission Fluid Cooler Line

GENERAL MOTORS
15817233
15.80 X 10.80 X 3.70 Inches
0.64 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Gm Genuine Parts 15781494 Automatic Transmission Fluid Cooler Line

GENERAL MOTORS
15781494
35.00 X 12.00 X 6.00 Inches
2.94 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Gm Genuine Parts 19125677 Automatic Transmission Fluid Cooler Line Fitting

GENERAL MOTORS
19125677
4.00 X 4.00 X 1.00 Inches
0.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Gm Genuine Parts 15809058 Automatic Transmission Fluid Auxiliary Cooler Inlet Line

GENERAL MOTORS
15809058
20.75 X 18.25 X 8.25 Inches
0.45 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Gm Genuine Parts 25880047 Automatic Transmission Fluid Cooler Inlet Line, Black

GENERAL MOTORS
25880047
16.90 X 12.40 X 7.60 Inches
0.45 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Acdelco Gm Genuine Parts 15264590 Automatic Transmission Fluid Cooler Inlet Line

GENERAL MOTORS
15264590
19.60 X 6.20 X 4.00 Inches
0.58 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Gm Genuine Parts 15212981 Automatic Transmission Fluid Cooler Line

GENERAL MOTORS
15212981
17.00 X 11.50 X 3.50 Inches
0.59 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Acdelco 15196327 Automatic Transmission Fluid Cooler Outlet Line

GENERAL MOTORS
15196327
42.50 X 10.00 X 6.90 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Gm Genuine Parts 25999415 Automatic Transmission Auxiliary Fluid Cooler Upper Line

GENERAL MOTORS
25999415
56.30 X 17.70 X 12.70 Inches
0.69 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autoplicity ✅ 9.71

Features

Product Type: Auto Part

Package Quantity: 1

Made In Canada

Package Dimensions: 20.32Cm (L) X 68.58Cm (W) X 111.125Cm (H)

Acdelco 20793004 Automatic Transmission Fluid Cooler Inlet Line

GENERAL MOTORS
20793004
36.00 X 6.50 X 3.00 Inches
0.42 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Gm Genuine Parts 24213958 Automatic Transmission Fluid Cooler Line Fitting

GENERAL MOTORS
24213958
3.30 X 1.80 X 0.90 Inches
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Acdelco 22687261 Automatic Transmission Fluid Cooler Line

GENERAL MOTORS
22687261
40.40 X 5.50 X 4.00 Inches
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Top 10 automotive replacement transmission cooling lines Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
General Motors 12

Top 10 automotive replacement transmission cooling lines Brands Pie Chart


We've carried out a comprehensive analysis of 779 reviews on automotive replacement transmission cooling lines, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select automotive replacement transmission cooling lines priced around $33.23, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 12 automotive replacement transmission cooling lines for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right lines Products based on their needs, saving them considerable time when choosing which automotive replacement transmission cooling lines to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.