{"product_id":"standard-ignition-als3431-abs-wheel-speed-sensor-rear","title":"Standard Ignition ALS3431 ABS Wheel Speed Sensor - Rear","description":"\u003ch2\u003eABS Wheel Speed Sensor for Rear Wheel Applications\u003c\/h2\u003e\u003cp\u003eStandard Ignition ALS3431 is an OE replacement ABS wheel speed sensor for rear wheel mounting. It is built with a 23.5-inch harness, a rectangular female connector, and a bolt-mount design for direct service on the wheel end. This ABS wheel speed sensor is a fitment-based replacement for the 2021 Ford EcoSport rear and is also referenced by part number ALS3431 for catalog matching.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eABS wheel speed sensor for wheel-mounted rear applications\u003c\/li\u003e\n\u003cli\u003eOE replacement design for service on the 2021 Ford EcoSport rear\u003c\/li\u003e\n\u003cli\u003e23.5-inch harness length for routing to the factory connection point\u003c\/li\u003e\n\u003cli\u003eRectangular connector with 2 terminals, female connector gender, and male blade terminals\u003c\/li\u003e\n\u003cli\u003eBolt-mount installation with 1 bolt hole\u003c\/li\u003e\n\u003cli\u003eStandard Ignition ALS3431 cross-references to 533821, ABS3431, ABSA136, and BRAB482 for the same application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eStandard Ignition ALS3431 is an ABS wheel speed sensor engineered as an OE replacement for rear wheel service. It mounts at the wheel and uses a bolt-mount configuration with a single bolt hole, making it a direct-fit option for the 2021 Ford EcoSport rear. The rectangular connector, 2-terminal layout, and 23.5-inch harness support factory-style electrical connection and routing. When replacing a failed rear ABS sensor on a Ford EcoSport, ALS3431 provides the correct form factor for the original location and connector style.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eABS warning light caused by a failed rear wheel speed sensor\u003c\/li\u003e\n\u003cli\u003eLoss of wheel speed signal to the ABS control system\u003c\/li\u003e\n\u003cli\u003eIntermittent traction control or stability control faults tied to rear sensor input\u003c\/li\u003e\n\u003cli\u003eDiagnostic trouble codes related to rear wheel speed sensor performance\u003c\/li\u003e\n\u003cli\u003eBrake system warning behavior caused by damaged sensor wiring or connector issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear wheel placement, connector style, and harness routing before installation. Inspect the mounting point, bolt hole, and surrounding wiring for corrosion, damage, or debris that could affect signal quality. Because mounting hardware is not listed as included, reuse or source the correct fasteners as needed. Confirm the vehicle application against the 2021 Ford EcoSport rear before final installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition supplies OE replacement electrical and sensor components for service applications. ALS3431 is cataloged for direct replacement use and is identified for the 2021 Ford EcoSport rear, with cross-reference support for common interchange part numbers.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52816430334133,"sku":"FBHK-ALS3431","price":58.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_ALS3431_Fro.jpg?v=1784356414","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-als3431-abs-wheel-speed-sensor-rear","provider":"PartCatalog","version":"1.0","type":"link"}