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
| Fits Vehicle Model | A4, A8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4D0-951-173-B (4D0951173B) |
| Category | Sensors |
Compatible Vehicles
Fits 6 vehicle configurations across 1 make, 1996-1997.
View all 6 vehicle configurations — 4 with fitment notes
| 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 |