Audi A4/A8 Motion Detector / Alarm Control Module 4D0951173B

OEM Part #: 4D0-951-173-B (4D0951173B)

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Upgrade your vehicle's security with the Motion Detector / Alarm Control Module, OEM part number 4D0951173B. Positioned in the trunk area for Audi A4 (1996-2000), A4 Quattro (1996-2000), and A8/A8 Quattro (1997-1999), this module enhances theft protection and responsiveness of the alarm system. Commonly known as an alarm control module, it effectively replaces defective units and addresses issues related to alarm malfunction and sensor sensitivity. Compatible with alternative part numbers 4B0905849, 4B0905851P, and 4D0951173C. This module supports a variety of Audi engine types, including the 1.8L L4, 2.8L V6, 2.7L V6, and 3.7L V8 configurations, ensuring a secure replacement for optimal performance.

Specifications

Specifications for Motion Detector / Alarm Control Module 4D0951173B
Fits Vehicle ModelA4, A8
Fits Vehicle MakeAudi
OEM Part No4D0-951-173-B (4D0951173B)
CategorySensors

Compatible Vehicles

Fits 6 vehicle configurations across 1 make, 1996-1997.

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

  • A4 1996-1997 · 4 variants 2 with notes
  • A8 1997 · 2 variants 2 with notes
View all 6 vehicle configurations 4 with fitment notes
Full vehicle fitment list for Motion Detector / Alarm Control Module 4D0951173B
Year Make Model Trim Engine Note
1996 Audi A4 Sedan 2.8L V6
1996 Audi A4 Quattro Sedan 2.8L V6
1997 Audi A4 Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Less Than 180000
1997 Audi A4 Quattro Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Less Than 180000
1997 Audi A8 Sedan 3.7L V8 For Vehicles Where Last 6 Digits of VIN Number are Less Than 012000
1997 Audi A8 Quattro Sedan 4.2L V8 For Vehicles Where Last 6 Digits of VIN Number are Less Than 012000

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