Best Gm Automotive Performance Automatic Transmission Lines in 2026
Daisy
Last Updated: Feb 5, 2026
Daisy
Last Updated: Feb 5, 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 | ✅ | ✅ | ✅ |
Size is 3/4 inch x 7-1/2 inch x 12-1/2 inch
Mid-size and full-size cars, pick-ups
GVWR up to 18,000 pounds, towing up to 3,500 pounds
Ultrasonically soldered for durability
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this automatic transmission oil cooler hose assembly is designed to match the fit and function of the original equipment assembly on specified vehicle makes, models and years
Ideal solution - engineered to help ensure proper transmission cooling when the original assembly is leaking or has failed from corrosion, collision, vibration, or fitting damage
Durable construction - made of quality materials for reliable performance and long service life
Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Quality replacement - this transmission cooler connector matches the fit and function of the original equipment connector
Durable construction - this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
Performance tested - this connector has been rigorously pressure tested to ensure reliable performance
Ideal shop supply - this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PremiumpartsWhosale | 9.97 | ❌ | ❌ | ❌ |
【Vehicle Fitment】Compatible with Ford F-150 2005-2006; Compatible with Lincoln Mark LT 2006---Auxiliary Cooler Inlet(Driver Side); Fits for the model with Automatic Transmission; To 8/08/05
【Reference Number】The A-Premium automatic transmission oil cooler's reference number: 624-577, 5801453, 5L3Z7C410AB. Before placing an order, verify that the part is compatible with your vehicle using the compatibility system.
【Durable construction】This oil cooler line is made of durable, corrosion-resistant material for reliable, leak-free performance
【Specification】Material: Rubber; Gasket or Seal Included: No; Length: 5 inch; Fitment Type: Direct Replacement
【Customer Support】1 Year Unlimited-mileage Quality Guarantee; with being sturdy and brand-new, this oil cooler hose assembly is the ideal replacement. Please get in touch with us at any time if the product has any quality issues, such as damage or isn't appropriate for your automobile.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Dorman | 57 |
| Gm | 8 |
| A-Premium | 1 |
| General Motors | 1 |
| Hayden Automotive | 1 |
| Waricaca | 1 |
We've carried out a comprehensive analysis of 5,093 reviews on automotive performance automatic transmission lines, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select automotive performance automatic transmission lines priced around $37.04, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 6 automotive performance automatic transmission 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 performance automatic transmission lines to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
