{"product_id":"standard-ignition-als540-abs-wheel-speed-sensor","title":"Standard Ignition ALS540 ABS Wheel Speed Sensor - Rear Left or Rear Right","description":"\u003ch2\u003eReliable ABS Wheel Speed Sensor for Audi A4 and S4 Models\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition ALS540 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for Audi A4, A4 Quattro, and S4 vehicles. This sensor helps maintain proper ABS function and vehicle stability by delivering precise input to the braking system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Audi A4, A4 Quattro, and S4 models\u003c\/li\u003e\n\u003cli\u003ePart number ALS540 for easy identification\u003c\/li\u003e\n\u003cli\u003eEngineered to meet OEM specifications for reliable performance\u003c\/li\u003e\n\u003cli\u003eDurable construction to withstand harsh driving conditions\u003c\/li\u003e\n\u003cli\u003eDirect replacement sensor for ABS wheel speed monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition ALS540 ABS Wheel Speed Sensor is specifically designed for use in Audi vehicles including the A4, A4 Quattro, and S4 models. This sensor monitors the rotational speed of the wheels and sends this data to the vehicle’s ABS control module. Accurate wheel speed information is critical for the anti-lock braking system to function correctly, helping to prevent wheel lockup during braking and maintaining vehicle control. The ALS540 sensor is manufactured to meet or exceed original equipment standards, ensuring a precise fit and reliable operation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper ABS warning light function\u003c\/li\u003e\n\u003cli\u003eEliminates erratic ABS or traction control behavior\u003c\/li\u003e\n\u003cli\u003ePrevents false ABS activation during braking\u003c\/li\u003e\n\u003cli\u003eImproves vehicle stability and braking response\u003c\/li\u003e\n\u003cli\u003eResolves wheel speed sensor fault codes related to Audi A4 and S4 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Standard Ignition ALS540 sensor requires basic mechanical skills and proper tools. Before installation, ensure the vehicle is safely lifted and supported. Remove the old sensor carefully to avoid damage to the mounting area or wiring harness. Clean the sensor mounting surface to ensure accurate readings. After installation, verify sensor operation by checking for ABS warning lights and performing a test drive. Consult the vehicle’s service manual for torque specifications and detailed procedures.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The ALS540 ABS Wheel Speed Sensor is backed by a limited warranty against defects in material and workmanship. This warranty provides confidence in the sensor’s reliability when installed in compatible Audi A4, A4 Quattro, and S4 vehicles.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44498802475189,"sku":"FBHK-ALS540","price":89.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_ALS540_Fro.jpg?v=1775021452","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-als540-abs-wheel-speed-sensor","provider":"PartCatalog","version":"1.0","type":"link"}