{"product_id":"standard-ignition-als3540-abs-wheel-speed-sensor-front","title":"Standard Ignition ALS3540 ABS Wheel Speed Sensor - Front","description":"\u003ch2\u003eABS Wheel Speed Sensor for Buick Envision\u003c\/h2\u003e\u003cp\u003eStandard Ignition ALS3540 is an ABS wheel speed sensor for the front wheel position on select Buick Envision models. It uses a 2-terminal electrical connection, a female connector with a rectangular shape, and a 41.5-inch harness for routing at the wheel end of the vehicle.\u003c\/p\u003e\u003cp\u003eCompatible with 2016-2020 Buick Envision, front, w\/ Automated Parking Assist. This Standard Ignition ALS3540 replacement is built for vehicles that need a direct-fit wheel speed sensor at the front axle location.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eABS wheel speed sensor for wheel-mounted front applications\u003c\/li\u003e\n\u003cli\u003eFits 2016-2020 Buick Envision, front, w\/ Automated Parking Assist\u003c\/li\u003e\n\u003cli\u003e2-terminal design with female connector and male blade terminals\u003c\/li\u003e\n\u003cli\u003eRectangular connector shape with 1 connector and 1 bolt-hole mounting\u003c\/li\u003e\n\u003cli\u003e41.5-inch harness length for routing to the factory connection point\u003c\/li\u003e\n\u003cli\u003eBolt-mount installation at the wheel location\u003c\/li\u003e\n\u003cli\u003eStandard Ignition ALS3540 part number for catalog matching and service lookup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe ALS3540 is an ABS wheel speed sensor that monitors wheel rotation data for the anti-lock brake system on the front of the vehicle. On the Buick Envision, this sensor supports the front wheel position on 2016-2020 models equipped with Automated Parking Assist. Standard Ignition ALS3540 is specified with a female connector, male blade terminals, and a rectangular connector profile to match the vehicle-side harness layout.\u003c\/p\u003e\u003cp\u003eThis part cross-references ACDelco 23288296 for the same application. When replacing a failed Buick Envision front ABS sensor, matching the connector style, harness length, and bolt-mount configuration is important for proper installation and signal routing. Search terms such as Buick Envision front ABS wheel speed sensor, 2016-2020 Buick Envision wheel speed sensor, and Standard Ignition ALS3540 front sensor can help confirm the correct service part.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eABS warning light illuminated on the dash\u003c\/li\u003e\n\u003cli\u003eWheel speed signal loss at the front wheel\u003c\/li\u003e\n\u003cli\u003eTraction control or stability control fault codes\u003c\/li\u003e\n\u003cli\u003eIntermittent braking system warning messages\u003c\/li\u003e\n\u003cli\u003eSensor-related drivability or braking system diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the front wheel location and confirm the vehicle is a 2016-2020 Buick Envision with Automated Parking Assist before installation. Inspect the connector, harness routing, and mounting point for corrosion, damage, or debris before connecting the new sensor. Because this sensor uses a bolt-mount design with one bolt hole, align it carefully with the factory mounting point and route the harness to avoid contact with moving suspension or wheel components.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition is a recognized aftermarket brand for electrical and sensor replacement parts. ALS3540 is cataloged to match the specified Buick Envision application and OE-style connector and mounting requirements for service replacement.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52816432857269,"sku":"FBHK-ALS3540","price":51.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_ALS3540_Fro.jpg?v=1784356759","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-als3540-abs-wheel-speed-sensor-front","provider":"PartCatalog","version":"1.0","type":"link"}