ABS Wheel Speed Sensor Front R/L 4B0927803B Audi A6 S4 ALS521

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* NOTE: In order to avoid return hassle and save yours and our time, you must cross-check provided OE reference part numbers against those found on your current unit. Do not rely on the compatibility charts, these are presented for the reference purpose only and should not be your guide to determine compatibility. If you are unsure, you may call local dealership (auto parts dept.) to obtain correct part numbers or ask your mechanic. If you would like us to help you, please use our Contact Us form and provide your vehicle's detailed info such as: Make/Model/Year/Engine/Full VIN# and we will do our best to find compatibility.

  • Model: 2010
  • UPC: 4B0927803B
  • Shipping Weight: 0.8lbs
  • Manufactured by: Aftermarket


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$45.95  $34.95
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OEM Reference Codes:
VW / AUDI: AIRTEX: WELLS:
4B0927803B
5S10471 SU11923, SU11924
FLENNOR: STANDARD MOTOR: OTHER:
FSE51406 ALS521 0265006578

*Please cross-check indicated OEM reference codes against those found on your current unit. You may call local dealership (auto parts dept.) to obtain correct numbers.


List of compatible vehicles:

* This sensor fits front wheel right or left side (the price is for 1 sensor). Replacement for the following OE part numbers: 4B0927803B, ALS521, 5S10471, SU11923, SU11924, FSE51406, 0265006578. Models presented for reference purpose only. In order to correctly determine compatibility please cross-check indicated OEM ref. codes.

Year: Submodel: Model: Make: Engine:
2003 Avant Wagon 4-Door S6 Audi 4.2L 4172CC V8 GAS
2002 Avant Wagon 4-Door S6 Audi 4.2L 4172CC V8 GAS
2004 Base Sedan 4-Door A6 Quattro Audi 4.2L 4172CC V8 GAS
2003 Base Sedan 4-Door A6 Quattro Audi 4.2L 4172CC V8 GAS
2002 Base Sedan 4-Door A6 Quattro Audi 4.2L 4172CC V8 GAS
2001 Base Sedan 4-Door A6 Quattro Audi 4.2L 4172CC V8 GAS
2000 Base Sedan 4-Door A6 Quattro Audi 4.2L 4172CC V8 GAS
2001 Base Sedan 4-Door S4 Audi 2.7L 2671CC V6 GAS Turbo
2000 Base Sedan 4-Door S4 Audi 2.7L 2671CC V6 GAS Turbo
2001 Avant Wagon 4-Door S4 Audi 2.7L 2671CC V6 GAS Turbo
2004 Base Sedan 4-Door A6 Audi 3.0L 2976CC V6 GAS
2004 Base Sedan 4-Door A6 Quattro Audi 3.0L 2976CC V6 GAS
2003 Base Sedan 4-Door A6 Audi 3.0L 2976CC V6 GAS
2003 Base Sedan 4-Door A6 Quattro Audi 3.0L 2976CC V6 GAS
2002 Base Sedan 4-Door A6 Audi 3.0L 2976CC V6 GAS
2002 Base Sedan 4-Door A6 Quattro Audi 3.0L 2976CC V6 GAS
2004 Avant Wagon 4-Door A6 Quattro Audi 3.0L 2976CC V6 GAS
2003 Avant Wagon 4-Door A6 Quattro Audi 3.0L 2976CC V6 GAS
2002 Avant Wagon 4-Door A6 Quattro Audi 3.0L 2976CC V6 GAS
*May fit other vehicles not listed.
Note: The ABS speed sensors are located at the wheel hub/rotor on four-wheel disc systems. Alternatively, on rear-drum applications, you'll usually find them mounted on the differential housing. ABS sensors provide information to ECU (electronic control unit).This is the way how anti-lock braking system obtains information when a wheel is about to lock up. One of the most common omissions in maintaining a modern Anti-lock Brake System (ABS) is checking out the speed sensors. ABS speed sensor supply information regarding wheel speed to the ABS computer. Under breaking, if wheel speeds are not equal, indicating wheel lockup, the computer modulates the anti-lock feature until the speeds are equal again.
Important: Please check compatibility prior to purchasing. Cross-check OE reference numbers presented in this description against those found on your current unit. If you are not able to locate part numbers, please call local dealership (auto parts department), provide your vehicle information and obtain correct part number(s). Feel free to contact us if you have any questions.

Why pay much higher price for the same quality by ordering from dealership? Compare to the dealer's price and save a lot!


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