{"product_id":"delphi-ss21440-abs-wheel-speed-sensor-rear-left","title":"Delphi SS21440 ABS Wheel Speed Sensor - Rear Left","description":"\u003ch2\u003eDelphi SS21440 Rear Left ABS Sensor\u003c\/h2\u003e\u003cp\u003eDelphi SS21440 is a rear left ABS wheel speed sensor built for accurate wheel-speed signal reporting in supported Ford and Mercury applications. It is a direct-fit replacement for 2009-2012 Ford Escape and 2009-2011 Mercury Mariner rear left positions, with OE-standard testing and calibration to help maintain consistent braking system performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eABS wheel speed sensor for the rear left position\u003c\/li\u003e\n\u003cli\u003eFits 2009-2012 Ford Escape, rear left\u003c\/li\u003e\n\u003cli\u003eFits 2009-2011 Mercury Mariner, rear left\u003c\/li\u003e\n\u003cli\u003eFemale connector with 1 connector, 2 terminals\u003c\/li\u003e\n\u003cli\u003eBlade terminal type with polygon connector shape\u003c\/li\u003e\n\u003cli\u003eWiring harness included\u003c\/li\u003e\n\u003cli\u003ePackage contents: ABS wheel speed sensor and instruction sheet\u003c\/li\u003e\n\u003cli\u003eDelphi part number SS21440\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOE-Style Sensor Construction\u003c\/h2\u003e\u003cp\u003eDelphi sensors are developed and validated using OE-focused methods, with calibration and testing performed to OE standards for accurate readings. For Ford Escape and Mercury Mariner rear left ABS service, SS21440 provides the signal input the vehicle’s ABS system uses to monitor wheel speed and support proper brake control logic. This part cross-references Standard Ignition ALS2393 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can 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 inconsistent wheel speed sensor readings\u003c\/li\u003e\n\u003cli\u003eFault codes tied to the rear left ABS sensor circuit\u003c\/li\u003e\n\u003cli\u003eBrake system performance concerns caused by a failed sensor signal\u003c\/li\u003e\n\u003cli\u003eIntermittent ABS operation on the affected rear wheel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the rear left location before installation and compare the connector, terminal count, and harness routing to the original sensor. The sensor uses a female connector with blade terminals and includes a wiring harness; mounting hardware is not included. Confirm fitment by year, make, model, and position before replacing the original unit.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi backs this ABS wheel speed sensor with OE development and product validation practices, and each sensor is tested and calibrated to OE standards to support accurate signal output and reduce repeat repairs.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52433664442549,"sku":"BBMX-SS21440","price":47.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_SS21440_FRO.jpg?v=1777860339","url":"https:\/\/www.partcatalog.com\/products\/delphi-ss21440-abs-wheel-speed-sensor-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}