{"product_id":"standard-ignition-als3660-abs-wheel-speed-sensor-rear-left","title":"Standard Ignition ALS3660 ABS Wheel Speed Sensor - Rear Left","description":"\u003ch2\u003eABS Wheel Speed Sensor for Rear Left Applications\u003c\/h2\u003e\u003cp\u003eStandard Ignition ALS3660 is an ABS wheel speed sensor for rear left service on select heavy-duty Chevrolet and GMC trucks. It is built with a 46.5-inch wiring harness, a 1-connector design, and a bolt-mount spindle installation layout for direct replacement service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eABS wheel speed sensor for rear left position\u003c\/li\u003e\n\u003cli\u003e46.5-inch wiring harness included\u003c\/li\u003e\n\u003cli\u003e1 female connector with octagon shape\u003c\/li\u003e\n\u003cli\u003e2 male mini-blade terminals\u003c\/li\u003e\n\u003cli\u003eBolt-mount design with 2 bolt holes\u003c\/li\u003e\n\u003cli\u003eMounts at the spindle location\u003c\/li\u003e\n\u003cli\u003eStandard Ignition ALS3660 replacement part\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eStandard Ignition ALS3660 is an ABS wheel speed sensor engineered for rear left fitment on 2020-2024 Chevrolet Silverado 3500 HD and 2020-2024 GMC Sierra 3500 HD models. This sensor uses a female connector, male mini-blade terminals, and a bolt-mount spindle configuration to match the original service layout on the vehicle. The included wiring harness provides the needed lead length for routing at the rear axle area, while the octagon connector shape supports a secure electrical connection. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 534048, 84609176) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eABS warning light related to rear wheel speed signal loss\u003c\/li\u003e\n\u003cli\u003eErratic or missing wheel speed sensor readings\u003c\/li\u003e\n\u003cli\u003eTraction control or stability system faults tied to the rear left sensor\u003c\/li\u003e\n\u003cli\u003eBrake system diagnostic trouble codes involving the rear axle sensor circuit\u003c\/li\u003e\n\u003cli\u003eIntermittent connection issues at the spindle-mounted sensor location\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2020-2024 Chevrolet Silverado 3500 HD, rear left. Fits 2020-2024 GMC Sierra 3500 HD, rear left. Confirm connector style, harness routing, and spindle mounting points before installation. Inspect the sensor mounting surface and wiring path for corrosion, damage, or debris that could affect signal quality. Verify the ABS system codes after installation and clear any stored faults as needed. Standard Ignition ALS3660 is a direct-fit replacement for vehicles listed in the fitment data.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition is a recognized aftermarket source for electrical and sensor components, and this ABS wheel speed sensor is built to match the specified connector, terminal, harness, and mounting configuration for the listed applications.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52816433545397,"sku":"FBHK-ALS3660","price":28.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_ALS3660_Fro.jpg?v=1784356855","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-als3660-abs-wheel-speed-sensor-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}