US Motor Works US9446 Engine Water Pump

Brand US Motor Works US9446
Fits Audi · 15 vehicles

Engine water pump. Restores coolant circulation for dependable engine cooling.

Includes sealing devices. Helps support a secure installation with fewer leak concerns.

Cross-references BBB Industries 42345, 078 121 006 A and 078 121 006 AX for the same application. See all 5.

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Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Water Pump for Audi V6 Applications

US Motor Works US9446 is an engine water pump for select Audi models with V6 cooling system applications. It includes installation sealing devices and is built for direct replacement service on the listed vehicles.

Key Features

  • Engine water pump for cooling system service
  • Includes installation sealing devices
  • Direct-fit replacement for select Audi applications
  • Cross-references Gates 42345 for the same application
  • Part number: US9446

Detailed Description

US Motor Works US9446 is a replacement engine water pump for 2000-2004 Audi A6 Quattro, 2000-2002 Audi S4, and 2001-2005 Audi Allroad Quattro applications. It is intended for vehicles that need a service replacement to restore coolant circulation through the engine and cooling system. This part cross-references Gates 42345 for the same application. The US9446 water pump is a practical choice when servicing Audi A6 Quattro, Audi S4, or Audi Allroad Quattro cooling system components.

What It Helps Address

  • Coolant circulation problems caused by a worn water pump
  • Engine overheating related to reduced coolant flow
  • Coolant leaks at the pump sealing surfaces
  • Noisy or rough pump operation from internal wear
  • Cooling system service on Audi A6 Quattro, Audi S4, and Audi Allroad Quattro models

Installation Notes and Tips

Verify engine application before installation and inspect the cooling system, belts, hoses, and thermostat during service. Replace worn sealing surfaces and follow the vehicle manufacturer’s coolant fill and bleed procedures after installation. Confirm fitment for 2000-2004 Audi A6 Quattro, 2000-2002 Audi S4, and 2001-2005 Audi Allroad Quattro before ordering the US9446 water pump.

Quality Assurance

Manufactured by US Motor Works for replacement cooling system service. Includes installation sealing devices for the listed application.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2005AudiAllroad QuattroBaseN/A
2004AudiA6 QuattroBaseN/A
2004AudiAllroad QuattroBaseN/A
2003AudiA6 QuattroBaseN/A
2003AudiAllroad QuattroBaseN/A
2002AudiA6 QuattroBaseN/A
2002AudiAllroad QuattroBaseN/A
2002AudiS4BaseN/A
2002AudiS4AvantN/A
2001AudiA6 QuattroBaseN/A
2001AudiAllroad QuattroBaseN/A
2001AudiS4BaseN/A
2001AudiS4AvantN/A
2000AudiA6 QuattroBaseN/A
2000AudiS4BaseN/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 42345078 121 006 A078 121 006 AXAW9446WP-9335