Skip to content
Pierburg 7.02074.75.0 Auxiliary Water Pump for Audi, VW
Auxiliary Water Pump
Pierburg 7.02074.75.0 Auxiliary Water Pump for Audi, VW
Auxiliary Water Pump

Pierburg 7.02074.75.0 Auxiliary Water Pump for Audi, VW

PIERBURG
Availability:
5+ in stock, ready to be shipped
SKU 7.02074.75.0
$101.51 - $101.51
$101.51
$101.51 - $101.51
$101.51
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

Rewards
EARN REWARD POINTS
Purchasing this product will earn you 505 points to redeem on future purchases. Check your points.

The Pierburg 7.02074.75.0 Auxiliary Water Pump is a direct replacement for older Audi and Volkswagen models, including A4 B5/B6, A6 C5/C6, and Passat B5. It replaces OEM number 078121601B and provides reliable cooling system performance for vehicles from the mid-90s to mid-2000s.

Key Features & Benefits

  • Direct OEM Replacement: Cross-references to 078121601B.
  • Vintage Compatibility: Designed for older Audi and VW platforms.
  • Durable Materials: Built to withstand high temperatures and long service life.
  • Easy Installation: Direct bolt-on replacement with no modifications.

Vehicle Fitment

Make Model Years
Audi A4 B5 (8D2) 1995–2001
Audi A4 B5 Avant (8D5) 1996–2001
Audi A4 B6 (8E2) 2001–2004
Audi A4 B6 Avant (8E5) 2001–2004
Audi A4 B6 Convertible (8H7) 2002–2005
Audi A6 C5 (4B2, 4B4) 1997–2005
Audi A6 C5 Avant (4B5, 4B6) 1997–2005
Audi A6 C6 (4F2) 2008–2010
Audi A6 C6 Avant (4F5) 2008–2010
Audi A8 D2 (4D2, 4D8) 2000–2002
Audi R8 (422, 423) 2007–2015
Audi R8 Spyder (427, 429) 2010–2015
Volkswagen Passat B5 (3B2) 1996–2000
Volkswagen Passat B5 Variant (3B5) 1997–2000
Volkswagen Passat B5.5 (3B3) 2000–2005
Volkswagen Passat B5.5 Variant (3B6) 2000–2005

Technical Specifications

Part Number 7.02074.75.0
Brand Pierburg
Type Auxiliary Water Pump
OEM Reference 078121601B

About This Brand

Pierburg has been a trusted OE supplier for decades, ensuring quality and fitment for older VAG vehicles.

This part also goes by the following cross reference.

Cross Reference Part Number: 078121601B

Fits These Vehicles 16 applications
B5 A4
Make Model Engine Years
Audi A4 B5 (8D2) 1995–2001
Audi A4 B5 Avant (8D5) 1996–2001
C5 A6
Make Model Engine Years
Audi A6 C5 (4B2, 4B4) 1997–2005
Audi A6 C5 Avant (4B5, 4B6) 1997–2005
B5 Passat
Make Model Engine Years
Volkswagen Passat B5 (3B2) 1996–2000
Volkswagen Passat B5 Variant (3B5) 1997–2000
D2 A8
Make Model Engine Years
Audi A8 D2 (4D2, 4D8) 2000–2002
B5.5 Passat
Make Model Engine Years
Volkswagen Passat B5.5 (3B3) 2000–2005
Volkswagen Passat B5.5 Variant (3B6) 2000–2005
A4
Make Model Engine Years
Audi A4 B6 (8E2) 2001–2004
Audi A4 B6 Avant (8E5) 2001–2004
Audi A4 B6 Convertible (8H7) 2002–2005
R8
Make Model Engine Years
Audi R8 (422, 423) 2007–2015
Audi R8 Spyder (427, 429) 2010–2015
C6 A6
Make Model Engine Years
Audi A6 C6 (4F2) 2008–2010
Audi A6 C6 Avant (4F5) 2008–2010
Fits 16 vehicle applications Check vehicle fitment before ordering View fitment

About this Water Pump

The PIERBURG 7.02074.75.0 water pump circulates coolant through the engine, radiator and heater. If it leaks or stops pumping, the engine can overheat quickly, so water pumps are often replaced preventively on high-mileage cars.

Frequently asked questions

What does a water pump do?

It pushes coolant around the cooling system so heat can be carried from the engine to the radiator. Many modern European engines use electric water pumps, and some also have an auxiliary pump for the heater or turbocharger.

What are the signs of a failing water pump?

Coolant leaking from the pump or its weep hole, a whining or grinding noise from a belt-driven pump, the engine temperature rising, heater output dropping, or a warning message from an electric pump.

What should I replace along with the water pump?

Replace the gasket or O-rings and any single-use bolts. On belt-driven pumps it is a good time to replace the drive belt, tensioner and idler pulleys; on timing-belt-driven pumps, replace the pump with the timing belt.

How do I refill and bleed the system?

Fill with the coolant your car's manufacturer specifies and bleed the air out following your car's procedure. Cars with electric water pumps often need a bleed routine run through the car or a diagnostic tool.

How do I make sure this water pump fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

Euromotiv is an independent retailer of OEM, Genuine, and aftermarket automotive parts. We are not affiliated with, endorsed by, or authorized by Audi AG, Volkswagen AG, BMW AG, Mercedes-Benz Group AG, Dr. Ing. h.c. F. Porsche AG, MINI, or any other vehicle manufacturer. All trademarks, logos, and brand names are the property of their respective owners and are used solely for identification and compatibility purposes.