{"product_id":"standard-ignition-sc838-vehicle-speed-sensor","title":"Standard Ignition SC838 Vehicle Speed Sensor","description":"\u003ch2\u003eVehicle Speed Sensor for Silverado and Sierra HD\u003c\/h2\u003e\u003cp\u003eStandard Ignition SC838 is a new vehicle speed sensor built for transmission-mounted applications on select heavy-duty Chevrolet and GMC trucks. It uses a bolt-on design with a rectangular male plug, a 2-wire harness, and included wiring harness for a direct replacement on the listed fitments.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle speed sensor for transmission mounting\u003c\/li\u003e\n\u003cli\u003eBolt-on attachment with one mounting hole\u003c\/li\u003e\n\u003cli\u003eRectangular 1-connector design with male terminal gender\u003c\/li\u003e\n\u003cli\u003e2-wire setup with female blade terminals\u003c\/li\u003e\n\u003cli\u003eBlack and blue finish\u003c\/li\u003e\n\u003cli\u003eHarness length: 4 in. (101.6 mm)\u003c\/li\u003e\n\u003cli\u003eNew replacement part from Standard Ignition\u003c\/li\u003e\n\u003cli\u003ePart number SC838\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eStandard Ignition SC838 is a transmission-mounted vehicle speed sensor for 2020-2024 Chevrolet Silverado 2500 HD, 2020-2024 Chevrolet Silverado 3500 HD, 2020-2024 GMC Sierra 2500 HD, and 2020-2024 GMC Sierra 3500 HD. It is built with a bolt mount, one bolt hole, and included mounting hardware for a secure installation at the transmission. The sensor uses a rectangular plug connection and a short integrated harness to match the original-style electrical interface on the listed applications. If you are replacing a failed Silverado 2500 HD or Sierra 3500 HD speed sensor, SC838 provides a direct-fit service part for the specified front-position applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references 24043906 and SN8539 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Help Resolve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInaccurate vehicle speed signal to the control system\u003c\/li\u003e\n\u003cli\u003eSpeedometer fluctuation or loss of speed reading\u003c\/li\u003e\n\u003cli\u003eTransmission shift concerns related to vehicle speed input\u003c\/li\u003e\n\u003cli\u003eDiagnostic trouble codes tied to the speed sensor circuit\u003c\/li\u003e\n\u003cli\u003eIntermittent signal loss from a worn or damaged sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstall SC838 at the transmission using the bolt-on mounting point and verify the connector shape, terminal style, and harness routing before final assembly. Confirm the vehicle application by year, make, model, and front-position fitment for Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, or GMC Sierra 3500 HD. Inspect the connector and wiring path for corrosion, damage, or strain that could affect the new sensor signal.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition supplies this as a new replacement sensor built to match the listed electrical and mounting specifications for the confirmed applications.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52966195626165,"sku":"FBHK-SC838","price":45.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_SC838_Fro.jpg?v=1786598569","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-sc838-vehicle-speed-sensor","provider":"PartCatalog","version":"1.0","type":"link"}