Chooryn Auto Parts specializes in providing OEM-grade transmission oil cooler lines for premium German vehicles such as Volkswagen, Audi, and Porsche. Our products are engineered with high pressure resistance, high-temperature durability, and corrosion resistance. Utilizing premium synthetic rubber and a high-strength woven layer structure, they are meticulously designed to match the original vehicle's interfaces and flow channels, ensuring reliable sealing and easy installation.
Currently, our products are compatible with models including the Audi C7/A7, Q5, Volkswagen Touareg (2011–), and more. They cover OEM part numbers such as 4G0 317 818S, 8R0 317 817AA, 7P0 317 801B, fully meeting aftermarket replacement needs.
Chooryn supports OEM/ODM customization services and has been supplying multiple overseas repair facilities worldwide with stable, high-quality products. We also offer a 2-year or 60,000-kilometer warranty, delivering exceptional quality to safeguard the transmission system of every German-engineered vehicle.
Specification
| Product Name | OEM No. | Applicable Models | Warranty Period |
| Transmission Cooler Oil Line R | 4G0 317 818S | For Audi C7/A7 | 2 years/60,000 km. |
| Transmission Cooler Oil Line R | 8R0 317 818AA | For Audi Q5 | |
| Transmission Cooler Oil Line L | 4G0 317 817Q | For Audi C7/A7 | |
| Transmission Cooler Oil Line L | 8R0 317 817AA | For Audi Q5 | |
| Transmission Cooler Oil Line | 7P0 317 801B 958 307 082 30 |
For Volkswagen Touareg/11- |
Precise Compatibility and OEM Services
We maintain a comprehensive OEM database, ensuring our products precisely match a wide range of premium models:
Audi Series: Covers models such as the Audi C7/A7 (e.g., OEM: 4G0 317 818S/817Q) and the Audi Q5 (e.g., OEM: 8R0 317 818AA/817AA).
Volkswagen Series: Compatible with models including the Volkswagen Touareg (2011 onward) (e.g., OEM: 7P0 317 801B).
Chooryn offers professional OEM customization services, supporting flexible production tailored to specific technical requirements in overseas markets. We are a trusted partner for large-scale overseas repair facilities and chain service stations.
Core Functions and Key Roles
As the vital "lifeline" of the automatic transmission cooling system, the transmission oil cooler line carries critically important responsibilities:
Efficient Cooling Circulation: It is responsible for accurately conveying the high-temperature oil generated inside the transmission to the cooler for temperature reduction, and ensuring the smooth return of the cooled oil.
Protecting the Drivetrain: High-quality oil cooler lines ensure that the transmission consistently operates within the ideal temperature range. Leaks or blockages in the cooler line can lead to excessive oil temperatures, resulting in oil oxidation, clutch plate burning, delayed shifting, or even costly damage to the entire transmission.
Pressure and Vibration Resistance: Chooryn's products are made from high-pressure and corrosion-resistant composite materials, capable of withstanding the instantaneous high pressure during transmission operation and long-term engine vibrations, ensuring "zero oil leakage" even under extreme driving conditions.
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