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Audi Engine Water Pump WP4423A - For S4, RS4, A6, Allroad 4.2L V8

Audi Engine Water Pump WP4423A - For S4, RS4, A6, Allroad 4.2L V8

DNJ ENGINE COMPONENTS
Ships from Supplier
SKU WP4423A
$105.95 - $105.95
$105.95
$105.95 - $105.95
$105.95
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

This water pump is a direct replacement for Audi models with the 4.2L V8 engine, covering the S4, RS4, A6, and Allroad from the mid-2000s. It ensures proper coolant flow to prevent overheating and maintain engine performance. Manufactured to OE specifications for a perfect fit and reliable operation.

Key Features & Benefits

  • Coolant circulation: Maintains optimal engine temperature under all driving conditions.
  • OE-style design: Direct fit, no modifications needed; seals and gaskets included where applicable.
  • Durable impeller: Resists corrosion and wear for extended service life.
  • OEM quality: Produced to meet or exceed original equipment standards.

Vehicle Fitment

Make Model Years Engine
Audi S4 2004–2009 4.2V8
Audi RS4 2007–2008 4.2V8
Audi A6 Quattro 2005–2006 4.2V8
Audi Allroad Quattro 2004–2005 4.2V8

Technical Specifications

Part Number WP4423A
Interchange Airtex AW6000, GMB 1802330, Beck/Arnley 131-2322

Installation Notes

Standard cooling system bleeding required after installation.

About DNJ ENGINE COMPONENTS

DNJ Engine Components is a trusted aftermarket brand known for reliable engine parts.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 4 applications
B6/B7 S4
Make Model Engine Years
Audi S4 4.2V8 2004–2009
B7 RS4
Make Model Engine Years
Audi RS4 4.2V8 2007–2008
C6 A6
Make Model Engine Years
Audi A6 Quattro 4.2V8 2005–2006
C5 Allroad
Make Model Engine Years
Audi Allroad Quattro 4.2V8 2004–2005