TRW Engine 331107 Engine Exhaust Valve

Reliable Engine Exhaust Valve for Audi and Volkswagen Models

The TRW Engine 331107 engine exhaust valve is designed to meet the precise requirements of Audi A4, A4 Quattro, A6, A6 Quattro, and Volkswagen Passat vehicles. Engineered with durable materials and exact specifications, this valve ensures consistent performance and longevity in your vehicle's valve train system.

• Length: 103.9 mm for optimal fitment
• Valve head diameter: 30.1 mm for efficient exhaust flow
• Valve seat angle: 45° to maintain proper sealing
• Bi-metal valve seat material for enhanced durability
• Chromed valve stem with hardened tip for wear resistance
• Valve stem diameter: 6 mm for precise valve guide fit

Technical Details and Construction

The TRW Engine 331107 exhaust valve features a bi-metal valve seat that provides improved heat resistance and wear characteristics compared to standard materials. The valve stem is chromed and includes a hardened tip, which reduces wear and extends service life under high-temperature conditions typical in exhaust systems. With a 45-degree valve seat angle, this valve ensures a tight seal within the combustion chamber, contributing to efficient engine operation. The 103.9 mm length and 6 mm stem diameter are engineered to match the exact specifications required for Audi A4, A4 Quattro, A6, A6 Quattro, and Volkswagen Passat models, ensuring proper fit and function.

Compatible Vehicles and Applications

• Replacement exhaust valve for Audi A4 and A4 Quattro engines
• Suitable for Audi A6 and A6 Quattro exhaust valve train repairs
• Compatible with Volkswagen Passat exhaust valve maintenance
• Ideal for addressing exhaust valve wear, leakage, or damage
• Used in engine rebuilds or valve train component upgrades

Installation Notes and Tips

When installing the TRW Engine 331107 exhaust valve, ensure the valve seat and guide are properly inspected and machined if necessary to match the valve specifications. The chromed valve stem and hardened tip require careful handling to avoid damage during installation. Proper valve clearance and seating should be verified to maintain engine performance and prevent premature wear.

Quality Assurance and Warranty

Manufactured by TRW Engine, this exhaust valve adheres to strict quality control standards to meet OEM specifications. The use of bi-metal valve seats and hardened valve stem tips reflects a focus on durability and reliability. While specific warranty details are not provided, TRW Engine products are generally backed by manufacturer quality guarantees to support professional engine repairs.