{"product_id":"standard-ignition-als1278-abs-wheel-speed-sensor","title":"Standard Ignition ALS1278 ABS Wheel Speed Sensor - Rear Left","description":"\u003ch2\u003eReliable ABS Wheel Speed Sensor for Toyota 4Runner\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition ALS1278 ABS Wheel Speed Sensor is designed specifically for Toyota 4Runner models, ensuring accurate wheel speed data for your vehicle's anti-lock braking system. This sensor helps maintain optimal braking performance and vehicle stability under various driving conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Toyota 4Runner models\u003c\/li\u003e\n\u003cli\u003ePart number ALS1278 for precise identification\u003c\/li\u003e\n\u003cli\u003eMonitors wheel speed for ABS functionality\u003c\/li\u003e\n\u003cli\u003eDurable construction for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eDirect replacement sensor for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Functionality\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition ALS1278 ABS Wheel Speed Sensor plays a critical role in the Toyota 4Runner's braking system by detecting the rotational speed of the wheels. This information is sent to the vehicle's ABS control module, which adjusts braking pressure to prevent wheel lockup during sudden stops or slippery conditions. The sensor is engineered to meet OEM specifications, providing reliable and consistent data to maintain vehicle safety and control.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the ALS1278 Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIntermittent ABS warning light activation\u003c\/li\u003e\n\u003cli\u003eErratic or non-functional anti-lock braking system\u003c\/li\u003e\n\u003cli\u003eInaccurate wheel speed readings causing traction control problems\u003c\/li\u003e\n\u003cli\u003eUnstable braking performance on slippery surfaces\u003c\/li\u003e\n\u003cli\u003eFault 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\u003eClean the sensor mounting area to remove debris and corrosion\u003c\/li\u003e\n\u003cli\u003eUse the correct torque specifications when securing the sensor\u003c\/li\u003e\n\u003cli\u003eVerify sensor connector is fully seated and free of damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eStandard Ignition manufactures the ALS1278 ABS Wheel Speed Sensor to meet strict quality standards, ensuring compatibility and durability for Toyota 4Runner vehicles. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in the sensor's performance.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44500925120693,"sku":"FBHK-ALS1278","price":99.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_ALS1278_Fro.jpg?v=1775021578","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-als1278-abs-wheel-speed-sensor","provider":"PartCatalog","version":"1.0","type":"link"}