{"product_id":"heavy-duty-snow-plow-relay-solenoid-for-684-1221-012-56131k-so51189-5794k-1","title":"Heavy Duty Snow Plow Relay Solenoid for 684-1221-012 56131K SO51189 5794K-1","description":"\u003ch2\u003eHeavy Duty Snow Plow Relay Solenoid for 684-1221-012 56131K SO51189 5794K-1\u003c\/h2\u003e\u003cp\u003eThis heavy duty snow plow relay solenoid for 684-1221-012 56131K SO51189 5794K-1 is a direct-acting electrical switch that controls the high-current motor and pump circuits on a snow plow, enabling reliable blade lift and angle operations. This relay solenoid for 684-1221-012 56131K SO51189 5794K-1 is the dependable part for a heavy duty snow plow system.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis heavy duty snow plow relay solenoid for 684-1221-012 56131K SO51189 5794K-1 is a robust electrical component that engages the plow's hydraulic pump motor. It replaces worn or failed solenoids to restore reliable plow function in severe winter conditions. This heavy duty snow plow relay solenoid is a direct replacement for 684-1221-012, 56131K, SO51189, and 5794K-1 part numbers.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eConstructed with a heavy-duty zinc-plated steel housing for corrosion resistance and durability\u003c\/li\u003e\n\u003cli\u003eSealed electromagnetic coil protects against moisture and road salt intrusion\u003c\/li\u003e\n\u003cli\u003eHigh-current copper contacts ensure consistent, low-resistance power transfer\u003c\/li\u003e\n\u003cli\u003eStandard 12V DC operation integrates with existing plow wiring systems\u003c\/li\u003e\n\u003cli\u003ePre-drilled mounting base simplifies installation using existing hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Western snow plows using 684-1221-012 or 684-1221-012-02 solenoid\u003c\/li\u003e\n\u003cli\u003efor Fisher snow plows using 684-1221-012 or 684-1221-012-02 solenoid\u003c\/li\u003e\n\u003cli\u003efor SnowDogg plows using replacement solenoid 56131K\u003c\/li\u003e\n\u003cli\u003efor Blizzard snow plows using SO51189 relay\u003c\/li\u003e\n\u003cli\u003efor Diamond snow plows using 5794K-1 solenoid\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed to energize the hydraulic pump motor for raising and lowering the plow blade\u003c\/li\u003e\n\u003cli\u003eActivates blade angle control circuits for left and right wing movement\u003c\/li\u003e\n\u003cli\u003eCommonly installed on pickup trucks and SUV snow plow setups in commercial and residential snow removal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy Duty Relay Solenoid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e684-1221-012, 56131K, SO51189, 5794K-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMost Western, Fisher, SnowDogg, Blizzard, and Diamond plows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Could this relay solenoid fail due to moisture? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, moisture and road salt can corrode contacts and cause intermittent operation. A sealed unit like this reduces that risk while maintaining high current flow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know my solenoid is defective? \u003cstrong\u003eA:\u003c\/strong\u003e If the plow motor does not run with the controller activated, check for voltage at the solenoid terminals; a click without motor engagement suggests faulty internal contacts.\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":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46611947585722,"sku":"ZZ3F04690","price":55.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_7a7582a1-c5f7-485e-8635-93214c5cc8b9.jpg?v=1789012428","url":"https:\/\/partoutfitters.com\/products\/heavy-duty-snow-plow-relay-solenoid-for-684-1221-012-56131k-so51189-5794k-1","provider":"Part Outfitters","version":"1.0","type":"link"}