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 | ✅ | ✅ | ✅ |
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 |
|---|---|---|---|---|
| BlueFrog | 9.93 | ✅ | ✅ | ✅ |
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 |
|---|---|---|---|---|
| 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 |
|---|---|---|---|---|
| PremiumpartsWhosale | 9.97 | ✅ | ✅ | ✅ |
【Vehicle Fitment】Compatible with Chrysler Town & Country 2008-2010 V6 3.3L, Voyager 2008-2008 V6 3.3L; Compatible with Dodge Grand Caravan 2008-2010 V6 3.3L---Pressure and Return Side
【Reference Number】The A-Premium automatic transmission oil cooler line's reference number: 5005203AA, 5005203AC, 624-610, 624610. 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: Metal; Length: 20.9 inch; Hose Maximum Pressure: 100 PSI; 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| NLQR-Car Seat | 5.28 | ✅ | ✅ | ✅ |
Complete Automatic Transmission Cooling Line Kit: This kit is perfect for enthusiasts looking for an easy and hassle-free installation.
Steel Braided Construction: The -6 AN steel braided lines ensure durability and long-lasting performance, making them a great investment for your vehicle.
Enhanced Cooling Performance: With these cooling lines, your transmission will run cooler, reducing the risk of overheating and costly repairs.
Perfect Fitment: This transmission cooler line kit is designed specifically for 4L60E and 4L65E transmissions, ensuring a perfect fit every time.
Easy Installation: The kit includes all necessary hardware and instructions for an easy and painless installation, so you can get back on the road without any delay.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Dorman | 91 |
| Gm | 10 |
| A-Premium | 7 |
| General Motors | 1 |
| Goldzhi | 1 |
| Hayden Automotive | 1 |
| Nlqr | 1 |
| Waricaca | 1 |
We've carried out a comprehensive analysis of 6,435 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 $37.42, 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 8 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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