2005-2009 Audi S4 Servotronic Relay # 641 8E0907307G

OEM Part #: 8E0-907-307-G (8E0907307G)

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Enhance your Audi S4's performance with the authentic SERVOTRONIC RELAY # 641 (OEM Part Number 8E0907307G). Designed for seamless compatibility, this factory-original relay is ideal for 2005-2009 Audi S4 models, including the Cabriolet and Avant with the 4.2L V8 engine. This Servotronic control relay plays a critical role in managing power steering systems, ensuring optimal response and precision handling. Common issues resolved by this relay include steering difficulties, reduced assistance, and overall system failures. Also known as the Accessory Safety Relay or Powertrain Control Module Relay, this part guarantees a direct fit and restores full functionality. Compatible replacement numbers include 4H0951253 and 4H0951253A.

Specifications

Specifications for Servotronic Relay # 641 8E0907307G
Fits Vehicle ModelS4
Fits Vehicle MakeAudi
OEM Part No8E0-907-307-G (8E0907307G)
Compatible OEM Part No 8E0-907-307-E
CategoryRelay / Fuse

Compatible Vehicles

Fits 13 vehicle configurations across 1 make, 2005-2009.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • S4 2005-2009 · 13 variants 1 with note
View all 13 vehicle configurations — 1 with fitment note
Full vehicle fitment list for Servotronic Relay # 641 8E0907307G
Year Make Model Trim Engine Note
2005 Audi S4 Wagon 4.2L V8
2005 Audi S4 Sedan 4.2L V8
2005 Audi S4 Convertible 4.2L V8 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 901702
2006 Audi S4 Wagon 4.2L V8
2006 Audi S4 Sedan 4.2L V8
2006 Audi S4 Convertible 4.2L V8
2007 Audi S4 Wagon 4.2L V8
2007 Audi S4 Sedan 4.2L V8
2007 Audi S4 Convertible 4.2L V8
2008 Audi S4 Wagon 4.2L V8
2008 Audi S4 Sedan 4.2L V8
2008 Audi S4 Convertible 4.2L V8
2009 Audi S4 Convertible 4.2L V8

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