HomeBelts and Cooling > Gaskets and Sealing SystemsFel-Pro 35750 Engine Coolant Thermostat Housing O-Ring
Part #: 35750

Fel-Pro 35750 Engine Coolant Thermostat Housing O-Ring

⚙️ 88 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi and Volkswagen, A4, A4 allroad, A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, Q5, Tiguan, TT, Eos, A3, GTI, Jetta, Passat, TT Quattro, Golf, and Beetle
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Reliable Engine Coolant Thermostat Housing O-Ring for Audi and Volkswagen

The Fel-Pro 35750 Engine Coolant Thermostat Housing O-Ring is designed to provide a secure seal for your vehicle's thermostat housing. Engineered as a premium-grade component, this O-ring ensures proper coolant containment and helps maintain optimal engine temperature for Audi and Volkswagen models.

  • Premium grade material for enhanced durability and sealing performance
  • Specifically designed for engine coolant thermostat housing applications
  • Compatible with multiple Audi and Volkswagen models including A3, A4, A5, A6, Beetle, Golf, Jetta, Passat, Q5, Tiguan, and TT variants
  • Part number 35750 for precise identification and fitment
  • Zero mounting holes to ensure a tight, leak-free seal

Durable Premium Grade O-Ring for Engine Cooling Systems

The Fel-Pro 35750 O-ring is manufactured to meet stringent quality standards, providing a reliable seal in the engine coolant thermostat housing. Its premium grade construction resists heat, pressure, and chemical exposure commonly found in cooling systems. This O-ring is engineered to maintain its integrity over time, reducing the risk of coolant leaks that can lead to engine overheating or damage. Compatible with a wide range of Audi and Volkswagen vehicles, including the A4 Quattro, A5 Quattro, and TT Quattro, this part supports proper engine temperature regulation and system efficiency.

Compatible Vehicles and Applications

This engine coolant thermostat housing O-ring is compatible with the following makes and models:

  • Audi A3, A4, A4 allroad, A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, Q5, TT, TT Quattro
  • Volkswagen Beetle, Eos, Golf, GTI, Jetta, Passat, Tiguan

Common Issues Addressed by the Fel-Pro 35750 O-Ring

  • Prevents coolant leaks at the thermostat housing
  • Eliminates engine overheating caused by coolant loss
  • Reduces risk of engine damage due to improper sealing
  • Maintains consistent engine temperature regulation
  • Helps avoid costly repairs related to cooling system failure

Installation Notes and Tips

  • Ensure the thermostat housing surface is clean and free of debris before installation
  • Inspect the thermostat housing for damage or warping prior to fitting the O-ring
  • Lubricate the O-ring lightly with coolant or appropriate lubricant to ease installation
  • Do not stretch or twist the O-ring during installation to prevent damage
  • Verify proper seating of the O-ring to avoid leaks

Quality Assurance and Warranty

Fel-Pro parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 35750 Engine Coolant Thermostat Housing O-Ring undergoes rigorous quality control to maintain consistent sealing properties. While specific warranty details may vary, Fel-Pro typically offers coverage against manufacturing defects to provide confidence in the product's longevity and function.

This part fits 88 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2013AudiA42.0LL4N/AOE Style; 56 (mm) Inside Diameter
2013AudiA4 allroad2.0LL4GASN/AOE Style; 56 (mm) Inside Diameter
2013AudiA4 Quattro2.0LL4GASN/AOE Style; 56 (mm) Inside Diameter
2013AudiA52.0LL4N/AOE Style; 56 (mm) Inside Diameter
2013AudiA5 Quattro2.0LL4GASN/AOE Style; 56 (mm) Inside Diameter
2013AudiA62.0LL4N/AOE Style; 56 (mm) Inside Diameter
2013AudiA6 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2012AudiA42.0LL4N/AOE Style; 56 (mm) Inside Diameter
2012AudiA4 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2012AudiA52.0LL4N/AOE Style; 56 (mm) Inside Diameter
2012AudiA5 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2012AudiA62.0LL4N/AOE Style; 56 (mm) Inside Diameter
2012AudiQ52.0LL4N/AOE Style; 56 (mm) Inside Diameter
2011AudiA42.0LL4N/AOE Style; 56 (mm) Inside Diameter
2011AudiA4 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2011AudiA52.0LL4N/AOE Style; 56 (mm) Inside Diameter
2011AudiA5 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2011AudiQ52.0LL4N/AOE Style; 56 (mm) Inside Diameter
2011VolkswagenTiguan2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2010AudiA42.0LL4N/AOE Style; 56 (mm) Inside Diameter
2010AudiA4 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2010AudiA52.0LL4N/AOE Style; 56 (mm) Inside Diameter
2010AudiA5 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2010VolkswagenTiguan2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2009AudiA42.0LL4N/AOE Style; 56 (mm) Inside Diameter
2009AudiA4 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2009AudiTT2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2009VolkswagenEos2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2009VolkswagenTiguan2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2008AudiA32.0LL4N/AOE Style; 56 (mm) Inside Diameter
2008AudiA42.0LL4N/AOE Style; 56 (mm) Inside Diameter
2008AudiA4 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2008AudiTT2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2008VolkswagenEos2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2008VolkswagenGTI2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2008VolkswagenJetta2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2008VolkswagenPassat2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2007AudiA32.0LL4N/AOE Style; 56 (mm) Inside Diameter
2007AudiA42.0LL4N/AOE Style; 56 (mm) Inside Diameter
2007AudiA4 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2007VolkswagenEos2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2007VolkswagenGTI2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2007VolkswagenJetta2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2007VolkswagenPassat2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2006AudiA32.0LL4N/AOE Style; 56 (mm) Inside Diameter
2006AudiA42.0LL4N/AOE Style; 56 (mm) Inside Diameter
2006AudiA4 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2006AudiTT1.8LL4N/A56 (mm) Inside Diameter
2006AudiTT Quattro1.8LL4N/A56 (mm) Inside Diameter
2006VolkswagenGolf1.8LL4N/A56 (mm) Inside Diameter
2006VolkswagenGTI2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2006VolkswagenJetta2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2006VolkswagenPassat2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2005AudiA42.0LL4N/AOE Style; 56 (mm) Inside Diameter
2005AudiA4 Quattro2.0LL4N/AOE Style; 56 (mm) Inside Diameter
2005AudiTT1.8LL4N/A56 (mm) Inside Diameter
2005AudiTT Quattro1.8LL4N/A56 (mm) Inside Diameter
2005VolkswagenGolf1.8LL4N/A56 (mm) Inside Diameter
2005VolkswagenJetta1.8LL4N/A56 (mm) Inside Diameter
2004AudiA41.8LL4N/A
2004AudiA4 Quattro1.8LL4N/A
2004AudiA63.0LV6N/A
2004AudiA6 Quattro3.0LV6N/A
2004AudiTT1.8LL4N/A56 (mm) Inside Diameter
2004AudiTT Quattro1.8LL4N/A56 (mm) Inside Diameter
2004VolkswagenBeetle1.8LL4N/A56 (mm) Inside Diameter
2004VolkswagenGolf1.8LL4N/A56 (mm) Inside Diameter
2004VolkswagenJetta1.8LL4N/A56 (mm) Inside Diameter
2003AudiA41.8LL4N/A
2003AudiA4 Quattro1.8LL4N/A
2003AudiA63.0LV6N/A
2003AudiA6 Quattro3.0LV6N/A
2003AudiTT1.8LL4N/A56 (mm) Inside Diameter
2003AudiTT Quattro1.8LL4N/A56 (mm) Inside Diameter
2003VolkswagenBeetle1.8LL4N/A56 (mm) Inside Diameter
2003VolkswagenGolf1.8LL4N/A56 (mm) Inside Diameter
2003VolkswagenJetta1.8LL4N/A56 (mm) Inside Diameter
2002AudiA41.8LL4N/A
2002AudiA4 Quattro1.8LL4N/A
2002AudiA63.0LV6N/A
2002AudiA6 Quattro3.0LV6N/A
2002AudiTT1.8LL4N/A56 (mm) Inside Diameter
2002AudiTT Quattro1.8LL4N/A56 (mm) Inside Diameter
2002VolkswagenBeetle1.8LL4N/A56 (mm) Inside Diameter
2002VolkswagenGolf1.8LL4N/A56 (mm) Inside Diameter
2002VolkswagenJetta1.8LL4N/A56 (mm) Inside Diameter
2001AudiTT1.8LL4N/A56 (mm) Inside Diameter
2001AudiTT Quattro1.8LL4N/A56 (mm) Inside Diameter

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

06B121119CC31923

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.