{"product_id":"12v-starter-solenoid-switch-relay-for-ford-f-250-f-350-f-450-f-550-sw1533-sw1951","title":"12V Starter Solenoid Switch Relay For Ford F-250 F-350 F-450 F-550 SW1533 SW1951","description":"\u003ch2\u003e12V Starter Solenoid Switch Relay for Ford\u003c\/h2\u003e\u003cp\u003eThis 12V starter solenoid switch relay for Ford F-250, F-350, F-450, and F-550 trucks is a direct replacement starting component that sends battery power to the starter motor when the ignition key is turned, with OEM cross-reference numbers SW1533 and SW1951.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 12V starter solenoid switch relay is designed for Ford Super Duty trucks that use a remote-mounted relay in the starting circuit. It replaces an old or failing 12V starter solenoid switch relay to restore reliable cranking and starting performance. This relay suits owners and technicians needing a dependable electrical replacement for Ford starting systems.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRated for 12V DC starting circuits\u003c\/li\u003e\n\u003cli\u003eHigh-current contacts handle starter motor draw\u003c\/li\u003e\n\u003cli\u003eCompact relay housing fits original mounting location\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant terminals maintain a solid electrical connection\u003c\/li\u003e\n\u003cli\u003eSealed construction helps keep out moisture and debris\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Ford F-250\u003c\/li\u003e\n\u003cli\u003efor Ford F-350\u003c\/li\u003e\n\u003cli\u003efor Ford F-450\u003c\/li\u003e\n\u003cli\u003efor Ford F-550\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces a worn starter solenoid switch relay during routine electrical repair\u003c\/li\u003e\n\u003cli\u003eSupports cranking in Ford trucks used for towing, hauling, and fleet work\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable engine starting after intermittent no-crank failures\u003c\/li\u003e\n\u003cli\u003eUsed in shop and field service for Super Duty pickups and chassis cabs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSW1533, SW1951\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStarter Solenoid Switch Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFord F-250, F-350, F-450, F-550\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this starter solenoid switch relay a genuine Ford part? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is an aftermarket replacement relay designed for Ford truck applications. It uses the same function as the original relay, with cross-references SW1533 and SW1951.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does this relay do in the starting system? \u003cstrong\u003eA:\u003c\/strong\u003e It acts as a switch that carries battery current to the starter solenoid when the ignition is engaged. A failing relay can cause a no-crank condition even with a good battery.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":45556613677142,"sku":"ZZ3E01357","price":39.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_0a69b59c-475e-45b4-9db8-a2bd394d5c78.jpg?v=1789217946","url":"https:\/\/www.solidspare.com\/products\/12v-starter-solenoid-switch-relay-for-ford-f-250-f-350-f-450-f-550-sw1533-sw1951","provider":"Solid Spare","version":"1.0","type":"link"}