1998-2005 Audi A6/Allroad/S6 Motion Detector / Alarm Sensor Right 4B0951178A

OEM Part #: 4B0-951-178-A (4B0951178A)

$5.99
Side: Right Used
Donor2001 Audi ALLROAD · 2.7L
SKU: 688190 · 30-Day Returns
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Motion Detector / Alarm Sensor 4B0951178A — Used (SKU 688190)
Genuine OEM Used SKU: 688190 Donor Vehicle: 2001 Audi ALLROAD · 2.7L 2 photos
$5.99
30-Day Returns
Motion Detector / Alarm Sensor 4B0951178A — Used (SKU 615184)
Genuine OEM Used SKU: 615184 Donor Vehicle: 2001 Audi A6 · 2.8L 2 photos
$5.99
30-Day Returns
Motion Detector / Alarm Sensor 4B0951178A — Used (SKU 247368)
Genuine OEM Used SKU: 247368 Donor Vehicle: 2001 Audi A6 · 4.2L 2 photos
$5.99
30-Day Returns
Motion Detector / Alarm Sensor 4B0951178A — Used (SKU 153136)
Genuine OEM Used SKU: 153136 Donor Vehicle: None Audi Multi Qty 2 photos
$5.99
30-Day Returns
Motion Detector / Alarm Sensor 4B0951178A — Used (SKU 239896)
Genuine OEM Used SKU: 239896 Donor Vehicle: 2001 Audi ALLROAD · 2.7 2 photos
$5.99
30-Day Returns
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Used Audi Motion Detector / Alarm Sensor, OEM part number 4B0951178A, pulls directly from a donor vehicle. This genuine right-side sensor monitors the cabin for unauthorized movement, triggering the alarm if motion is detected. Interchange numbers: none listed — only the original 4B0951178A applies. Designed for C5-chassis A6, S6, and Allroad Quattro models. A common failure is false alarms (trip-happy sensor) or the system failing to arm, leaving the vehicle unprotected.

Specifications

Specifications for Motion Detector / Alarm Sensor 4B0951178A
Fits Vehicle ModelA6, Allroad, S6
Fits Vehicle MakeAudi
OEM Part No4B0-951-178-A (4B0951178A)
SideRight
CategorySensors

Compatible Vehicles

Fits 39 vehicle configurations across 1 make, 1998-2005.

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

  • A6 1998-2004 · 30 variants
  • Allroad 2001-2005 · 7 variants
  • S6 2002-2003 · 2 variants
View all 39 vehicle configurations
Full vehicle fitment list for Motion Detector / Alarm Sensor 4B0951178A
Year Make Model Trim Engine Note
2001 Audi A6 Quattro Sedan 2.7L V6 Turbo
2002 Audi A6 Quattro Wagon 3.0L V6
2002 Audi A6 Quattro Sedan 3.0L V6
2004 Audi A6 Quattro Sedan 3.0L V6
2003 Audi A6 Quattro Sedan 3.0L V6
2003 Audi A6 Quattro Wagon 3.0L V6
2002 Audi A6 Sedan 3.0L V6
2004 Audi A6 Sedan 3.0L V6
2004 Audi A6 Quattro Wagon 3.0L V6
2003 Audi A6 Sedan 3.0L V6
2003 Audi S6 Wagon 4.2L V8
2005 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2000 Audi A6 Quattro Sedan 2.7L V6 Turbo
2001 Audi A6 Sedan 2.8L V6
2002 Audi Allroad Quattro Wagon 2.7L V6 Turbo
1998 Audi A6 Sedan 2.8L V6
2000 Audi A6 Sedan 2.8L V6
2001 Audi A6 Quattro Sedan 4.2L V8
1998 Audi A6 Quattro Sedan 2.8L V6
2001 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2003 Audi A6 Quattro Sedan 2.7L V6 Turbo
2000 Audi A6 Quattro Sedan 4.2L V8
2003 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2002 Audi S6 Wagon 4.2L V8
2002 Audi A6 Quattro Sedan 2.7L V6 Turbo
2004 Audi A6 Quattro Sedan 2.7L V6 Turbo
2002 Audi A6 Quattro Sedan 4.2L V8
2004 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2004 Audi A6 Quattro Sedan 4.2L V8
2005 Audi Allroad Quattro Wagon 4.2L V8
2000 Audi A6 Quattro Wagon 2.8L V6
2003 Audi A6 Quattro Sedan 4.2L V8
1999 Audi A6 Sedan 2.8L V6
1999 Audi A6 Quattro Wagon 2.8L V6
2001 Audi A6 Quattro Wagon 2.8L V6
2000 Audi A6 Quattro Sedan 2.8L V6
2001 Audi A6 Quattro Sedan 2.8L V6
2004 Audi Allroad Quattro Wagon 4.2L V8
1999 Audi A6 Quattro Sedan 2.8L V6

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