HomeBelts and Cooling > Thermostat and HousingDorman 902-995 Engine Coolant Thermostat Housing - Water Pump
Part #: 902-995

Dorman 902-995 Engine Coolant Thermostat Housing - Water Pump

Water Pump
⚙️ 16 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$15.98Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi and Volkswagen, A4, A4 Quattro, and Passat
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Engine Coolant Thermostat Housing 902-995

The Dorman 902-995 engine coolant thermostat housing is designed for reliable cooling system performance in select Audi and Volkswagen models. Constructed from durable black plastic, this thermostat housing ensures proper coolant flow and temperature regulation for your vehicle's engine.

  • Material: High-quality black plastic for corrosion resistance
  • Includes gasket and O-rings for secure sealing
  • Two mounting holes with 0.313-inch diameter for precise fitment
  • Housing neck angled at 90 degrees from base for optimal coolant routing
  • Compatible with Audi A4, A4 Quattro, and Volkswagen Passat models

Detailed Product Description

The Dorman 902-995 engine coolant thermostat housing is engineered to replace the original housing on compatible Audi and Volkswagen vehicles. Made from durable plastic, it resists corrosion and withstands engine heat cycles. The housing features two mounting holes sized at 0.313 inches in diameter, ensuring a secure and accurate installation. Its 90-degree neck angle from the base facilitates proper coolant flow direction within the engine cooling system. This part includes a gasket and O-rings to provide a tight seal and prevent coolant leaks, although the thermostat itself is not included. The black finish matches OEM appearance and helps maintain the integrity of the cooling system.

Compatible Vehicles and Applications

  • Designed specifically for Audi A4 and A4 Quattro models
  • Also compatible with Volkswagen Passat vehicles
  • Ideal for replacing worn or damaged thermostat housings in these models
  • Helps maintain proper engine temperature regulation and coolant circulation

Installation Notes and Tips

When installing the Dorman 902-995 thermostat housing, ensure the mounting surfaces are clean and free of old gasket material. Use the included gasket and O-rings to achieve a leak-free seal. Verify the housing neck orientation matches the original part to maintain correct coolant flow. Note that bolts are not included, so reuse existing hardware or source appropriate fasteners. Proper torque specifications should be followed to avoid damage or leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-995 thermostat housing undergoes quality checks to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to cover defects in material and workmanship.

BrandDorman
Part Number902-995
MaterialPlastic
ColorBlack
Gasket Or Seal IncludedYes
Mounting Hole Quantity2
Mounting Hole Diameter0.313
Air Vent (Bleeder Valve)No
Bolts IncludedNo
Housing Neck Angle (┬░)90 degrees from base
O Rings IncludedYes
Package ContentsWater outlet; o-ring
Thermostat IncludedNo

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2001AudiA41.8LL4Water Pump8th Digit of VIN is D; Cover
2001AudiA4 Quattro1.8LL4Water Pump8th Digit of VIN is D; Cover
2000AudiA41.8LL4Water PumpEngine coolant thermostat housing for cooling system.
2000AudiA4 Quattro1.8LL4Water PumpEngine coolant thermostat housing for cooling system.
2000VolkswagenPassat1.8LL4Water PumpEngine coolant thermostat housing for cooling system.
1999AudiA41.8LL4Water PumpEngine coolant thermostat housing for cooling system.
1999AudiA4 Quattro1.8LL4Water PumpEngine coolant thermostat housing for cooling system.
1999VolkswagenPassat1.8LL4Water PumpEngine coolant thermostat housing for cooling system.
1998AudiA41.8LL4Water PumpEngine coolant thermostat housing for cooling system.
1998AudiA4 Quattro1.8LL4Water PumpEngine coolant thermostat housing for cooling system.
1998VolkswagenPassat1.8LL4Water PumpEngine coolant thermostat housing for cooling system.
1997AudiA41.8LL4Water PumpEngine coolant thermostat housing for cooling system.
1997AudiA4Water PumpCover; Engine Desg. ADP; L4 1.6L (1595cc)
1997AudiA4 Quattro1.8LL4Water PumpEngine coolant thermostat housing for cooling system.
1996AudiA4Water PumpCover; L4 109CID 1.8L (1781cc)
1996AudiA4Water PumpCover; L4 1.6L (1595cc)

* 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:

030121121B1121B121-D147-002981550285182CH9995KGT-1121B-NTV121D

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