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Auxiliary Water Pump

Febi Bilstein Auxiliary Water Pump 177291

FEBI BILSTEIN
Disponibilité:
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Ships same or next business day

UGC 177291
$58.86 - $58.86
$58.86
$58.86 - $58.86
$58.86
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.

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FEBI BILSTEIN

Auxiliary Water Pump

This product also goes by these part numbers: 078 121 601 B, 078121601B, 177291

This part also goes by the following cross reference.

Cross Reference Part Number: 078121601B

Fits These Vehicles 86 applications
A6
Make Model Engine Years
AUDI A6 C4 (4A2) 2.8 1995–1997
AUDI A6 C4 Avant (4A5) 2.8 1995–1997
B5 A4
Make Model Engine Years
AUDI A4 B5 (8D2) 2.8 1996–2000
AUDI A4 B5 (8D2) 2.8 quattro 1996–2001
AUDI A4 B5 (8D2) 2.4 1997–2000
AUDI A4 B5 (8D2) 2.4 quattro 1997–2000
AUDI A4 B5 (8D2) 2.4 1997–2000
AUDI A4 B5 (8D2) 2.4 quattro 1997–2000
AUDI A4 B5 (8D2) S4 quattro 1997–2001
AUDI A4 B5 (8D2) 2.8 quattro 1999–2000
AUDI A4 B5 (8D2) 2.8 1999–2000
AUDI A4 B5 (8D2) 1.9 TDI 2000–2000
AUDI A4 B5 (8D2) 1.9 TDI quattro 2000–2000
AUDI A4 B5 Avant (8D5) 2.8 1996–2001
AUDI A4 B5 Avant (8D5) 2.8 quattro 1996–2001
AUDI A4 B5 Avant (8D5) 2.4 1997–2001
AUDI A4 B5 Avant (8D5) 2.4 quattro 1997–2001
AUDI A4 B5 Avant (8D5) 2.4 1997–2001
AUDI A4 B5 Avant (8D5) 2.4 quattro 1997–2001
AUDI A4 B5 Avant (8D5) S4 quattro 1997–2001
AUDI A4 B5 Avant (8D5) 2.8 1999–2000
AUDI A4 B5 Avant (8D5) 2.8 quattro 1999–2000
AUDI A4 B5 Avant (8D5) 1.9 TDI 2000–2001
AUDI A4 B5 Avant (8D5) 1.9 TDI quattro 2000–2001
B5 Passat
Make Model Engine Years
VW PASSAT B5 (3B2) 2.8 V6 Syncro/4motion 1996–2000
VW PASSAT B5 (3B2) 2.8 V6 1996–2000
VW PASSAT B5 (3B2) 2.8 V6 1997–1999
VW PASSAT B5 (3B2) 1.9 TDI 1998–2000
VW PASSAT B5 (3B2) 1.9 TDI 4motion 1999–2000
VW PASSAT B5 (3B2) 2.8 V6 1999–2000
VW PASSAT B5 (3B2) 2.8 V6 4motion 1999–2000
VW PASSAT B5 (3B2) 1.9 TDI 2000–2000
VW PASSAT B5 Variant (3B5) 2.8 V6 1997–2000
VW PASSAT B5 Variant (3B5) 2.8 V6 Syncro/4motion 1997–2000
VW PASSAT B5 Variant (3B5) 2.8 V6 1997–1999
VW PASSAT B5 Variant (3B5) 2.8 Syncro 1997–1999
VW PASSAT B5 Variant (3B5) 1.9 TDI 1998–2000
VW PASSAT B5 Variant (3B5) 1.9 TDI 4motion 1999–2000
VW PASSAT B5 Variant (3B5) 2.8 V6 1999–2000
VW PASSAT B5 Variant (3B5) 2.8 V6 4motion 1999–2000
VW PASSAT B5 Variant (3B5) 1.9 TDI 2000–2000
C5 A6
Make Model Engine Years
AUDI A6 C5 (4B2, 4B4) 2.4 quattro 1997–2005
AUDI A6 C5 (4B2, 4B4) 2.4 1997–2005
AUDI A6 C5 (4B2, 4B4) 2.4 quattro 1997–2005
AUDI A6 C5 (4B2, 4B4) 2.8 quattro 1997–2005
AUDI A6 C5 (4B2, 4B4) 2.4 1997–2005
AUDI A6 C5 (4B2, 4B4) 2.4 quattro 1998–1999
AUDI A6 C5 (4B2, 4B4) 2.8 quattro 1998–2000
AUDI A6 C5 (4B2, 4B4) 2.8 quattro 1999–2001
AUDI A6 C5 (4B2, 4B4) 2.4 quattro 2001–2005
AUDI A6 C5 (4B2, 4B4) 2.7 2001–2004
AUDI A6 C5 (4B2, 4B4) 2.7 quattro 2001–2004
AUDI A6 C5 Avant (4B5, 4B6) 2.8 quattro 1997–2005
AUDI A6 C5 Avant (4B5, 4B6) 2.4 quattro 1997–2005
AUDI A6 C5 Avant (4B5, 4B6) 2.4 1997–2005
AUDI A6 C5 Avant (4B5, 4B6) 2.4 quattro 1997–2005
AUDI A6 C5 Avant (4B5, 4B6) 2.4 1997–2005
AUDI A6 C5 Avant (4B5, 4B6) 2.4 quattro 1998–2001
AUDI A6 C5 Avant (4B5, 4B6) 2.8 quattro 1998–2001
AUDI A6 C5 Avant (4B5, 4B6) 2.4 quattro 2001–2005
B5.5 Passat
Make Model Engine Years
VW PASSAT B5.5 (3B3) 1.9 TDI 2000–2005
VW PASSAT B5.5 (3B3) 1.9 TDI 2000–2005
VW PASSAT B5.5 (3B3) 2.8 4motion 2000–2005
VW PASSAT B5.5 (3B3) 1.9 TDI 4motion 2000–2005
VW PASSAT B5.5 (3B3) 2.8 2000–2005
VW PASSAT B5.5 (3B3) 2.8 4motion 2000–2005
VW PASSAT B5.5 (3B3) 2.8 2002–2003
VW PASSAT B5.5 Variant (3B6) 1.9 TDI 2000–2005
VW PASSAT B5.5 Variant (3B6) 1.9 TDI 2000–2005
VW PASSAT B5.5 Variant (3B6) 2.8 4motion 2000–2005
VW PASSAT B5.5 Variant (3B6) 1.9 TDI 4motion 2000–2005
VW PASSAT B5.5 Variant (3B6) 2.8 2000–2005
VW PASSAT B5.5 Variant (3B6) 2.8 2000–2005
VW PASSAT B5.5 Variant (3B6) 2.8 4motion 2000–2005
A4
Make Model Engine Years
AUDI A4 B6 (8E2) 2.4 2001–2004
AUDI A4 B6 (8E2) 2.4 2001–2004
AUDI A4 B6 Avant (8E5) 2.4 2001–2004
AUDI A4 B6 Avant (8E5) 2.4 2001–2004
AUDI A4 B6 Convertible (8H7) 2.4 2002–2005
AUDI A4 B6 Convertible (8H7) 2.4 2002–2005
R8
Make Model Engine Years
AUDI R8 (422, 423) 4.2 FSI quattro 2007–2010
AUDI R8 (422, 423) 4.2 FSI quattro 2010–2015
AUDI R8 Spyder (427, 429) 4.2 FSI quattro 2010–2015
C6 A6
Make Model Engine Years
AUDI A6 C6 (4F2) RS6 quattro 2008–2010
AUDI A6 C6 Avant (4F5) RS6 quattro 2008–2010
D2 A8
Make Model Engine Years
AUDI A8 D2 (4D2, 4D8) 3.3 TDI quattro 2000–2002

Fitment data last updated: 2026-03-19

Fits 86 vehicle applications Check vehicle fitment before ordering View fitment

About this Water Pump

The FEBI BILSTEIN 177291 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.

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