Best A Premium Performance Automatic Transmission Lines in 2026
Daisy
Last Updated: Feb 6, 2026
Daisy
Last Updated: Feb 6, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Premier Auto Part | 9.56 | ❌ | ❌ | ❌ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
Fits for: GM 1996 and Later Snap-in Style Lines
Material: Made of high quality brass, durable in use
Part Number: OC-397/397/OC397
Feature: Designed to connect the transmission cooler line to the cooler hose; Coated for extra protection against corrosion
Note: Please check all the product information to make sure this is the right one you want before placing your order
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability
Manufactured to GM OE specification for fit, form, and function
Package Dimensions: 3.81 H x 2.54 L x 3.81 W (centimeters)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability
Manufactured to GM OE specification for fit, form, and function
Package Dimensions: 9.652 H x 2.032 L x 6.858 W (centimeters)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Country of Origin: United States
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SCM Auto | 6.41 | ✅ | ✅ | ✅ |
Stainless steel flexible braided transmission hoses/ lines fit single and dual pass coolers
The universal kit is perfect for your Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more
Works with lots of Chevy, Ford, Mopar, GM, GMC, Buick, Cadillac cars & trucks
Package includes:(2) about 52 inch & 3/8" I.D. Stainless Steel Braided Hoses,4) AN-6 flared to 1/4" NPT billet adaptors,(2) AN-6 flared to 3/8" NPT billet adaptors,(2) 90 degree AN-6 inverted flare to AN-6 flare billet adaptors.
You can contact us if you have any questions about the product, and we will try our best to help solve them
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Premier Auto Part | 9.56 | ❌ | ❌ | ❌ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM Original Equipment specifications for fit, form, and function
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Gm | 10 |
| General Motors | 1 |
| Goldzhi | 1 |
| Waricaca | 1 |
We've carried out a comprehensive analysis of 1,437 reviews on performance automatic transmission lines, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select performance automatic transmission lines priced around $25.74, with top brands including general motors, dorman, gm, hayden automotive, cartech, a-premium and waricaca and goldzhi
Our team of expert editors reviewed these high-quality items and handpicked the top 13 performance automatic transmission lines for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include amazon.com, bluefrog, premiumpartswhosale and premier auto part and scm auto .
We are dedicated to assisting our users in finding the right lines Products based on their needs, saving them considerable time when choosing which performance automatic transmission lines to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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