{"product_id":"cole-hersee-24059-12v-insulated-continuous-duty-spst-solenoid","title":"Cole Hersee 24059 12V Insulated Continuous Duty SPST Solenoid","description":"\u003cp\u003eIn this review the Cole Hersee 24059 12V insulated continuous duty SPST solenoid is evaluated for installers and DIYers who need a straightforward heavy-current relay for a single 12V circuit. The bottom line: the solenoid is built for dependable On\/Off operation with \u003cstrong\u003e85A normally open contacts\u003c\/strong\u003e, plated steel housing and solid copper studs, making it a sensible replacement where a single-circuit power switching device is required. It appeals to anyone who wants a simple, robust part that mirrors OEM form and function without unnecessary features.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e85A Normally Open Contacts:\u003c\/strong\u003e Provides high-current switching suitable for heavy accessories and starter circuits while remaining normally open when unenergized.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPST One Circuit:\u003c\/strong\u003e Simple Off - On operation reduces wiring complexity for single-load setups and minimizes potential failure points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlated Steel Housing:\u003c\/strong\u003e Protects internal components from mechanical damage and offers a durable exterior for workshop or vehicle use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper Power Studs:\u003c\/strong\u003e 5\/16-in -24 thread studs ensure reliable current transfer and come with hex nuts and lock washers for secure connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil and Terminal Hardware:\u003c\/strong\u003e Coil ignition and ground terminals use 10-32 thread hardware and include nuts and lock washers for easy installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Pattern:\u003c\/strong\u003e Bracket mounting holes placed on 2 13\/64-in centers make it easy to mount to existing brackets or replace legacy units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis solenoid is best for automotive technicians, boat owners, RV users and industrial maintenance staff who need a straightforward replacement or new install for a single 12V circuit rated around 85 amps. It suits situations where durability, simple operation and OEM-like fit are priorities, especially when the device must match an existing mounting pattern and terminal style.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users needing multi-circuit switching, built-in overload protection or sealed PWM control for variable loads. If you require a waterproof or multi-position solenoid with advanced features, consider a different model designed for those specific needs.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-current \u003cstrong\u003e85A contacts\u003c\/strong\u003e deliver reliable switching for heavy loads without fuss.\u003c\/li\u003e\n\u003cli\u003eSolid construction with plated steel housing and copper studs gives a durable, serviceable feel.\u003c\/li\u003e\n\u003cli\u003eIncluded hex nuts and lock washers for both power studs and coil terminals make installation straightforward.\u003c\/li\u003e\n\u003cli\u003eMounting hole spacing matches common brackets, easing replacement installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot sealed for aggressive marine exposure; consider a sealed unit if constant water immersion is expected.\u003c\/li\u003e\n\u003cli\u003eA minority of buyers reported missing hardware or defective units, so verify contents on receipt.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e85A normally open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eSPST, one circuit Off - On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Studs\u003c\/td\u003e\n\u003ctd\u003eCopper 5\/16-in -24 thread, hex nuts and lock washers included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Terminals\u003c\/td\u003e\n\u003ctd\u003eSteel 10-32 thread, hex nuts and lock washers included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003ePlated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Holes\u003c\/td\u003e\n\u003ctd\u003e5\/16-in x 19\/32-in on 2 13\/64-in centers (56.0mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Cole Hersee 24059 is a pragmatic choice for anyone needing a dependable single-circuit 12V solenoid with robust connections and an OEM-like fit. It delivers good value for routine automotive and light industrial switching where simplicity and reliability matter, provided you inspect the unit on arrival for completeness.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this solenoid suitable for starter motor use?\u003c\/strong\u003e\u003cbr\u003eIt is rated 85A and is suitable for many starter or heavy accessory circuits, but confirm your starter draw and application requirements before use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include mounting and terminal hardware?\u003c\/strong\u003e\u003cbr\u003eYes; hex nuts and lock washers are included for the copper power studs and the 10-32 coil terminals, though some buyers reported occasional missing pieces on delivery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the unit waterproof for marine use?\u003c\/strong\u003e\u003cbr\u003eThe housing is plated steel but not described as sealed for continuous immersion; choose a sealed marine-specific solenoid for permanent wet environments.\u003c\/p\u003e","brand":"Cole Hersee","offers":[{"title":"Default Title","offer_id":48613089509595,"sku":"B000Y82X4E","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71qGdrpY3KL._AC_SL1500.jpg?v=1778581180","url":"https:\/\/gearmusthave.com\/products\/cole-hersee-24059-12v-insulated-continuous-duty-spst-solenoid","provider":"GearMustHave","version":"1.0","type":"link"}