{"product_id":"standard-ignition-als721-abs-wheel-speed-sensor","title":"Standard Ignition ALS721 ABS Wheel Speed Sensor - Rear Left","description":"\u003ch2\u003eOverview of Standard Ignition ALS721 ABS Wheel Speed Sensor\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition ALS721 ABS Wheel Speed Sensor is designed specifically for Lexus LS400 models, providing reliable wheel speed data essential for your vehicle's anti-lock braking system. This sensor ensures accurate monitoring of wheel rotation to maintain optimal braking performance and vehicle stability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Lexus LS400 vehicles\u003c\/li\u003e\n\u003cli\u003ePart number ALS721 for precise identification\u003c\/li\u003e\n\u003cli\u003e48-inch (1219 mm) harness length for flexible installation\u003c\/li\u003e\n\u003cli\u003eRectangular male connector with one connector and two female blade terminals\u003c\/li\u003e\n\u003cli\u003eSingle bolt hole mounting location at the wheel\u003c\/li\u003e\n\u003cli\u003eHardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe ALS721 ABS Wheel Speed Sensor from Standard Ignition is engineered to meet the exact specifications required by Lexus LS400 models. Featuring a 48-inch harness length, this sensor allows for convenient routing and connection within the wheel assembly. The sensor includes a rectangular male connector with one connector quantity and two female blade terminals, ensuring secure and reliable electrical connections. It mounts directly to the wheel using a single bolt hole, facilitating straightforward installation. Note that hardware is not included with this sensor, so existing mounting bolts should be reused or sourced separately.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis ABS wheel speed sensor is essential for maintaining proper ABS function and vehicle safety. It is commonly used to address issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eABS warning light activation due to faulty sensor signals\u003c\/li\u003e\n\u003cli\u003eIntermittent or inaccurate wheel speed readings\u003c\/li\u003e\n\u003cli\u003eLoss of traction control or stability control system functionality\u003c\/li\u003e\n\u003cli\u003eErratic braking behavior or ABS engagement\u003c\/li\u003e\n\u003cli\u003eDiagnostic trouble codes related to wheel speed sensor failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is securely lifted and supported before sensor replacement\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery to prevent electrical shorts during installation\u003c\/li\u003e\n\u003cli\u003eCarefully route the 48-inch harness to avoid pinching or damage\u003c\/li\u003e\n\u003cli\u003eUse the existing bolt or appropriate hardware to mount the sensor securely at the wheel\u003c\/li\u003e\n\u003cli\u003eVerify connector engagement and terminal alignment for proper electrical contact\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eStandard Ignition manufactures the ALS721 sensor to meet OEM standards for fit, form, and function. While hardware is not included, the sensor is tested for durability and electrical performance. Please consult Standard Ignition’s warranty policy for specific coverage details related to this ABS wheel speed sensor.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44500850507957,"sku":"FBHK-ALS721","price":425.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_ALS721_Fro.jpg?v=1775021488","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-als721-abs-wheel-speed-sensor","provider":"PartCatalog","version":"1.0","type":"link"}