Bosch 0392020073 auxiliary water pump for the 2000-2004 Volkswagen Jetta and other vehicles moves coolant through the auxiliary cooling circuit. This Bosch auxiliary water pump is an electric unit designed to meet exact original equipment specifications.
- Every pump is tested for proper function
- Torque testing verifies the impeller-shaft mating and can detect loose press fits
- Vacuum leak testing checks sealing across the housing, seals, tube binding and plug
- Withstands engine temperatures up to 125°C, with few moving parts
- Designed for quiet operation to reduce cabin noise
- Coolant flow optimized for system efficiency, which contributes to lower CO2 emissions
Quick facts
- Part: Bosch 0392020073 auxiliary water pump
- Also called: engine auxiliary water pump
- Fits: 2000-2004 Volkswagen Jetta and other vehicles
- Condition: New
A coolant leak at the pump, a whine from it or weak flow in the circuit it serves can mean an engine auxiliary water pump is wearing out. Hoses, the thermostat, a relay or the wiring can be behind the same signs, so find the cause before buying.
Fits
The 2000-2004 Volkswagen Jetta, the 2002-2004 Volkswagen Passat W8 4.0L and the 2000-2005 Volkswagen Golf are fitted by this auxiliary water pump, and it fits more vehicles beyond them. Fit is verified with OE mating parts and accessories such as the pulley, brake plate, housing and tensioners. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 1
- Inlet port quantity: 1
- Outlet port quantity: 1
- Power: 10 W
Build and materials
- Type: electric water pump
- Maximum engine temperature: up to 125°C
- Condition: New
In the box
This listing is one pump, and the 2000-2004 Volkswagen Jetta takes one.
Frequently Asked Questions
Will this Jetta auxiliary water pump work on a 2000-2004 Volkswagen Jetta?
Yes. Bosch 0392020073 fits the 2000-2004 Volkswagen Jetta. Open the "Vehicles it fits" section to check other models and engines.
Is this VW Golf auxiliary water pump right for a 2000-2005 Volkswagen Golf?
Yes. Bosch 0392020073 fits the 2000-2005 Volkswagen Golf.
What power rating and temperature limit does this electric water pump have?
This pump is rated at 10 W and is built to withstand engine temperatures up to 125°C, with few moving parts.
How is this auxiliary water pump tested?
Every pump is tested for proper function. Torque testing checks the impeller-shaft mating, and vacuum leak testing checks the housing, seals, tube binding and plug for leaks.
Is this auxiliary water pump quiet in the cabin?
It is designed for quiet operation to reduce cabin noise, and it optimizes coolant flow to improve overall system efficiency.
