VW-Audi Auxiliary Fan ACM O.E.M. 4B3959457

The VW-Audi Auxiliary Fan ACM O.E.M. 4B3959457 is an original equipment supplier component manufactured by ACM O.E.M., offered under part number 1657.0109. This auxiliary fan delivers proven compatibility and performance for selected Audi models, ensuring optimal cooling system support.

Key Features:

• Direct OE supplier quality with ACM O.E.M. engineering
• OE part number: 4B3959457
• 200-watt power, 280 mm fan diameter (per fitment notes)
• Designed for single-fan installation (quantity 1 per vehicle as specified)

Verified Fitment Applications:

• Audi A4 Quattro (1999-2002, specific submodels and engines; refer to fitment summary for year, body style, and chassis number conditions)
• Audi A6 Quattro (2000-2004, select submodels and engines)
• Audi Allroad Quattro (2001-2005, selected submodels/engines)
• Audi S4 (2000-2002, selected submodels/engines)

Reference number: 4Z7959457

Always confirm compatibility with your vehicle’s year, model, engine, and any noted chassis conditions for a precise fit.