{"product_id":"standard-ignition-als3661-abs-wheel-speed-sensor-rear-right","title":"Standard Ignition ALS3661 ABS Wheel Speed Sensor - Rear Right","description":"\u003ch2\u003eABS Wheel Speed Sensor for Rear Right Service\u003c\/h2\u003e\u003cp\u003eStandard Ignition ALS3661 is an ABS wheel speed sensor for the rear right position on select heavy-duty Chevrolet and GMC trucks. It is built with a 48-inch harness, a single female connector, and a bolt-mount spindle design for direct replacement service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eABS wheel speed sensor for rear right applications\u003c\/li\u003e\n\u003cli\u003eFits 2020-2024 Chevrolet Silverado 3500 HD, rear right\u003c\/li\u003e\n\u003cli\u003eFits 2020-2024 GMC Sierra 3500 HD, rear right\u003c\/li\u003e\n\u003cli\u003e48-inch harness with wiring harness included\u003c\/li\u003e\n\u003cli\u003e2-terminal design with mini-blade terminals\u003c\/li\u003e\n\u003cli\u003eSingle octagon-shaped female connector\u003c\/li\u003e\n\u003cli\u003eBolt-mount installation at the spindle with 3 bolt holes\u003c\/li\u003e\n\u003cli\u003eStandard Ignition ALS3661 replacement sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eStandard Ignition ALS3661 is an ABS wheel speed sensor engineered for rear right placement on 2020-2024 Chevrolet Silverado 3500 HD and 2020-2024 GMC Sierra 3500 HD models. The sensor uses a spindle-mounted, bolt-on design with a 48-inch harness to reach the factory connection point, while the octagon connector and mini-blade terminals support a direct electrical interface. This part number, ALS3661, is a practical replacement choice when servicing the rear wheel speed signal on these heavy-duty trucks. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 534049, 84609177) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eABS warning light triggered by a failed rear wheel speed sensor\u003c\/li\u003e\n\u003cli\u003eIntermittent or missing wheel speed signal at the rear right wheel\u003c\/li\u003e\n\u003cli\u003eABS system fault codes related to the rear right sensor circuit\u003c\/li\u003e\n\u003cli\u003eBrake control concerns caused by damaged sensor wiring or connector wear\u003c\/li\u003e\n\u003cli\u003eLoss of accurate wheel speed input on Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear right placement before installation and compare the connector, terminal style, and harness length to the original sensor. The spindle-mounted, bolt-mount design uses three bolt holes and does not include mounting hardware or a dust shield. Inspect the wheel end, harness routing, and connector condition before final assembly to help ensure a clean repair on the Silverado 3500 HD or Sierra 3500 HD.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition supplies replacement electrical and sensor components for automotive service applications. ALS3661 is built to match the listed fitment and connection style for 2020-2024 Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD rear right ABS sensor service.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52816433610933,"sku":"FBHK-ALS3661","price":30.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_ALS3661_Fro.jpg?v=1784356861","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-als3661-abs-wheel-speed-sensor-rear-right","provider":"PartCatalog","version":"1.0","type":"link"}