Fel-Pro 35838 Engine Coolant Thermostat Housing O-Ring

Reliable Engine Coolant Thermostat Housing O-Ring for Audi and Volkswagen

The Fel-Pro 35838 Engine Coolant Thermostat Housing O-Ring is designed to provide a secure seal for your vehicle's thermostat housing. Engineered for premium performance, this O-ring is compatible with a range of Audi and Volkswagen models, ensuring proper coolant system function and preventing leaks.

• Premium grade material for enhanced durability and sealing
• Compatible with Audi A3, A4, A4 Quattro, A5, A5 Quattro, Q5, TT
• Fits Volkswagen Beetle, Eos, Golf, GTI, Jetta, Passat, Tiguan
• Part number 35838 for precise identification and fitment
• Zero mounting holes for a clean, direct seal

Product Details and Specifications

The Fel-Pro 35838 O-Ring is manufactured to meet strict quality standards, ensuring a reliable seal in the engine coolant thermostat housing. This premium grade O-ring is designed without mounting holes, providing a straightforward installation and a tight fit. It is engineered to withstand the thermal and chemical stresses typical in cooling systems of Audi and Volkswagen vehicles, including models such as the Audi A4 Quattro and Volkswagen GTI. Using the correct O-ring helps maintain optimal engine temperature by preventing coolant leaks and ensuring the thermostat housing remains securely sealed.

Compatible Vehicles and Applications

This engine coolant thermostat housing O-ring is compatible with a variety of Audi and Volkswagen models, including:

• Audi A3, A4, A4 Quattro, A5, A5 Quattro, Q5, TT
• Volkswagen Beetle, Eos, Golf, GTI, Jetta, Passat, Tiguan

It is specifically designed to replace worn or damaged O-rings in these vehicles, helping to maintain the integrity of the cooling system.

Common Issues Addressed by Fel-Pro 35838 O-Ring

• Prevents coolant leaks around the thermostat housing
• Eliminates engine overheating caused by seal failure
• Reduces risk of coolant contamination and pressure loss
• Helps maintain consistent engine temperature regulation
• Prevents premature thermostat housing damage

Installation Notes and Tips

When installing the Fel-Pro 35838 O-ring, ensure the thermostat housing surface is clean and free of debris or old gasket material. Lubricate the O-ring lightly with coolant or a compatible lubricant to ease installation and prevent damage. Verify the O-ring is seated evenly without twisting before reassembling the thermostat housing. Proper installation will help avoid leaks and ensure long-term performance.

Quality Assurance and Warranty

Fel-Pro manufactures the 35838 O-ring to meet or exceed OEM specifications for durability and fit. This premium grade sealing component undergoes rigorous quality control to ensure consistent performance in demanding engine environments. While specific warranty details may vary, Fel-Pro products typically come with a limited warranty against defects in material and workmanship, providing confidence in the product's reliability.