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Manual transmission lines are critical components for the proper functioning of your vehicle's clutch system. Ensuring you select high-quality replacement lines can prevent leaks, maintain consistent clutch engagement, and contribute to overall vehicle safety. Investing in reliable transmission lines is essential for any driver looking to maintain their vehicle's performance.
[Vehicle Fitment]: Compatible with Audi A4 2009 L4 2.0L (Sedan), A4 2010-2016 L4 2.0L, A5 2010-2014 L4 2.0L--- It fits the model with Automatic Transmission Only, not fit Manual Transmission; Inlet and Outlet Side
[Reference Number]: A-Premium transmission oil cooler line's reference number: 8K0317825R, 8K0317826AJ, 8K0317826R, TRC0338, TRC0341. Before placing an order, verify that the part is compatible with your vehicle using the compatibility system
[Sturdy Construction]: This oil cooler line is made of sturdy, corrosion-resistant material for reliable, leak-free performance
[Direct Replacement]: Quick and easy installation. Perfect match for the original vehicles.
[Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted Oil Cooler Line. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
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
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 - Input your vehicle into the garage tool and check Confirmed Fit bar at the top of the page. If there is an “i” in a blue circle, additional verification is needed. Please hover over the "i" to verify fitment notes match your vehicle.
UNIVERSAL FIT: Automatic transmission cooler lines kit compatible with 4L60E 4L65E. Can be used for a fuel line, oil line, fluid transfer line
HOSE MATERIAL: Transmission cooler line is made of CPE rubber inner core, with a layer of 304 steel wire and nylon outer braid for durability and heat resistance
EASY INSTALLATION: Complete kit includes all necessary components for a straightforward installation. Designed for easy installation, it ensures efficient transmission cooling, prolonging the life of your transmission
REPLACEMENT TRANSMISSION COOLER LINE: Upgrade your vehicle's transmission cooling system with this Automatic Transmission Cooler Line Kit. Transmission cooler line kit ensures efficient heat transfer and extends the life of your transmission
Transmission Fitment: This transmission line is compatible with 4L60, 700R4, TH350, and TH400 transmissions, providing reliable fluid transfer between the transmission and cooler for efficient cooling performance. Please verify your transmission model...
Hose Specifications: 6AN × 7FT, ID: 0.31" (8mm), OD: 0.45" (11.5mm), Max Working Pressure: 1500 PSI, Burst Pressure: 4500 PSI, Temperature Range: -76°F to 446°F, Minimum Bend Radius: 3.5" (88.9mm).
3-Layer Construction: Built with a PTFE inner tube, 304 stainless steel braid, and braided nylon outer cover, this transmission cooler line provides excellent chemical resistance, heat resistance, flexibility, and durability for demanding applications
High Pressure Rating: The 6AN transmission line is rated for 1500 PSI working pressure and 4500 PSI burst pressure, with reliable performance from -76°F to 446°F for high-performance transmission cooling systems
Wide Fluid Compatibility: This transmission line supports transmission fluid, engine oil, E85, racing fuel, diesel, and hydraulic steering fluids for versatile fluid transfer applications
Complete Kit Included: The transmission line kit includes a 7FT hose, swivel hose ends, and adapter fittings for convenient installation. Precision-machined components ensure secure connections and reliable performance
【Fitment】Transmission line fitting fits for GMC / Chevy 1996-UP trucks. The transmission cooler fitting can be used on vehicles with snap-in transmission line type fitting.
【Specifications】Connection fitting size: 3/8", Part OE Number: OC-397/397/OC397.
【High Quality】397 Transmission Line Fitting Machined from high quality brass to eliminate any possibility of corrosion, durable in use, Long service life.
【Function】Perfect connect the transmision line to radiator for flushing transmission fluid, which is similar to the oil cooler line hose.
【Note】Please carefully review all the product information before purchasing and contact us if you’re unsure if it will fit.
24 inch braided steel line for durability and long life against abrasion and road debris. A direct fit replacement for use between clutch master and slave cylinders on 1998-2002 Camaro / Firebird with T-56 manual transmission
High flow line allows increased fluid capacity and improved clutch pedal feel.
Roll pin and o-ring included for ease of installation
Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Manual Transmission Lines
Material Quality
Transmission lines are typically made from steel, stainless steel, or braided stainless steel with a protective outer layer. Steel lines offer a balance of cost and durability, while stainless steel provides superior corrosion resistance and strength, making it ideal for harsh environments. Braided lines offer enhanced flexibility and protection against kinks and abrasion.
Compatibility and Fitment
It is crucial to ensure that the replacement lines are compatible with your vehicle's make, model, and year. Check the product specifications for exact fitment details. Incorrectly sized or shaped lines can lead to leaks and improper clutch operation. Always verify the connection types and lengths match your original equipment.
Ease of Installation
Consider the flexibility and routing of the lines. Some materials, like braided stainless steel, are more pliable and easier to maneuver during installation. Ensure the fittings are pre-installed and securely attached to the line, as this simplifies the process. If you are performing the installation yourself, look for kits that include necessary hardware or adapters.
Frequently Asked Questions
What are the signs of a failing manual transmission line?
Signs of a failing line include a spongy or soft clutch pedal, difficulty shifting gears, or a visible leak of clutch fluid. You may also notice a burning smell if the fluid is leaking onto hot engine components.
How often should manual transmission lines be replaced?
There isn't a set replacement interval as it depends on driving conditions and material quality. However, it's advisable to inspect them during regular maintenance and replace them if any signs of wear, corrosion, or leaks are present.
Can I use a universal transmission line kit?
Universal kits can be an option if specific lines are unavailable, but they often require modification and careful measurement. It's generally recommended to find lines designed for your specific vehicle for optimal performance and ease of installation.
What is the difference between steel and stainless steel transmission lines?
Steel lines are a common and cost-effective option, but they are more prone to rust and corrosion over time. Stainless steel lines offer significantly better resistance to corrosion and are generally stronger, making them a more durable choice, especially in areas with harsh weather or road salt.
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