HomeBelts and Cooling > Thermostat and HousingGates CO35032 Engine Coolant Thermostat Housing Cover
Part #: CO35032

Gates CO35032 Engine Coolant Thermostat Housing Cover

Coolant Outlet
⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Coolant Outlet
🚗Fitment: Audi and Volkswagen, A3 Sportback e-tron, Golf, Golf SportWagen, Jetta, and Q3
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Gates Coolant Outlet Thermostat Housing Cover

The Gates Coolant Outlet Engine Coolant Thermostat Housing Cover (Part Number CO35032) is designed for reliable cooling system performance in select Audi and Volkswagen models. This thermostat cover is engineered to meet exact OE specifications, ensuring proper fit and function for vehicles like the Audi A3 Sportback e-tron and Volkswagen Golf.

  • Constructed from durable plastic material for corrosion resistance
  • OE exact replacement for precise fitment
  • Three bolt holes for secure mounting
  • Dual outlet diameters: 0.81 inch and 0.31 inch outside diameters
  • Compatible with multiple Volkswagen and Audi models

Product Line: Gates Coolant Outlet

The Gates Coolant Outlet product line focuses on components that maintain optimal engine temperature by managing coolant flow. This thermostat housing cover is part of that line, designed to provide a reliable seal and outlet for coolant circulation. The Coolant Outlet line emphasizes OE exact fitment and material quality to support engine cooling system integrity.

Detailed Product Description

The CO35032 thermostat housing cover is made from high-quality plastic, offering resistance to heat and corrosion commonly found in engine cooling systems. It features three bolt holes for secure attachment and two outlet sizes with outside diameters of 0.81 inches and 0.31 inches, and inside diameters of 0.65 inches and 0.21 inches respectively. This design supports proper coolant flow and system pressure management. The part contains no gaskets or seals, aligning with OE specifications for direct replacement.

Common Applications and Problem Solving

  • Replacement for cracked or damaged thermostat housing covers
  • Resolves coolant leaks around the thermostat outlet
  • Prevents overheating caused by faulty coolant flow
  • Restores proper coolant circulation in Audi A3 Sportback e-tron and Volkswagen Golf models
  • Addresses fitment issues with non-OE parts in Volkswagen Jetta and Q3 vehicles

Installation Notes and Tips

Ensure the engine is cool before removing the old thermostat housing cover to avoid burns. Clean the mounting surface thoroughly to remove any old gasket material or debris. Since this part does not include gaskets or seals, use the existing or new compatible gaskets as required. Tighten the three bolts evenly to the manufacturer's torque specifications to prevent leaks.

Quality Assurance and Warranty

The Gates Coolant Outlet CO35032 thermostat housing cover is manufactured to meet OE exact standards, ensuring compatibility and durability. Gates products typically come with a limited warranty against defects in material and workmanship, providing confidence in long-term performance.

BrandGates
Part NumberCO35032
PositionCoolant Outlet
MaterialPlastic
Outlet Outside Diameter.31
Outlet Outside Diameter.81
Bolt Hole Quantity3
TypeThermostat cover
Gasket Quantity0
Outlet Inside Diameter.21
Outlet Inside Diameter.65
98410
9848No
By-Pass HolesNo
ContentsThermostat cover
Number of Bolt Holes3
Number of Gaskets0
Number of Seals0
OE ExactYes
Outlet Inside Diameter 1 (in).65
Outlet Inside Diameter 2 (in).21
Outlet Outside Diameter 1 (in).81
Outlet Outside Diameter 2 (in).31
TypeThermostat cover

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2021VolkswagenGolf1.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2021VolkswagenJetta1.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2020VolkswagenGolf1.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2020VolkswagenJetta1.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2019VolkswagenGolf1.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2019VolkswagenGolf SportWagen1.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2019VolkswagenJetta1.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2018AudiA3 Sportback e-tron1.4LL4ELECTRIC/GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2017AudiA3 Sportback e-tron1.4LL4ELECTRIC/GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2016AudiA3 Sportback e-tron1.4LL4ELECTRIC/GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2016AudiQ31.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015VolkswagenJetta1.4LL4ELECTRIC/GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014VolkswagenJetta1.4LL4ELECTRIC/GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013VolkswagenJetta1.4LL4ELECTRIC/GASN/AThermostat Cover; May 15 & Newer; Coolant Outlet

* 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:

04E121121E04E121121L

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