{"product_id":"car-battery-terminal-anti-corrosion-washers-protects-posts","title":"Car Battery Terminal Anti Corrosion Washers - Protects Posts","description":"\u003cp\u003eOur review of these car battery terminal anti-corrosion washers finds them to be a practical, low-cost way to reduce terminal corrosion and keep battery posts tidy. Designed as an 8-piece set with color-coded red and green fiber washers, they are intended for owners who want a simple preventative solution to extend battery life on 6 and 12-volt systems. The single biggest reason to buy is the removable inner ring that lets the same washer fit a wider range of post sizes, making them versatile for cars, trucks, boats and other vehicles.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Chemical fiber material is wear-resistant and helps reduce corrosion around battery terminals, which can prolong battery life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible fit:\u003c\/strong\u003e The removable inner ring adjusts the inner diameter from 0.91 in to 1.18 in so the washer can accommodate larger or smaller posts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor coding:\u003c\/strong\u003e Red and green washers make it easy to identify positive and negative terminals at a glance and reduce installation mistakes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal application:\u003c\/strong\u003e Designed to fit most top post and side post battery\/cable setups on cars, trucks, boats and other vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight kit:\u003c\/strong\u003e The 8-piece package (4 red, 4 green) is compact for storage and provides spares for routine replacement or multiple vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is best for DIY vehicle owners and fleet maintenance personnel who want an inexpensive, preventative measure to limit battery terminal corrosion on 6 and 12-volt systems. It suits people who maintain multiple vehicles or who perform routine battery checks and prefer color-coded parts for quick service.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for those needing heavy-duty sealing or waterproofing for off-road or marine immersion applications, as these fiber washers provide corrosion reduction and tidiness rather than a full waterproof seal.\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\u003eSimple to install after cleaning posts, helping prevent future corrosion build-up.\u003c\/li\u003e\n\u003cli\u003eRemovable inner ring increases compatibility across a range of terminal sizes.\u003c\/li\u003e\n\u003cli\u003eColor-coded red and green pieces reduce the chance of mixing polarity during installation.\u003c\/li\u003e\n\u003cli\u003eSoft, non-deforming fiber material is lightweight and comfortable to handle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot a waterproof gasket solution; it reduces corrosion but does not fully seal against heavy exposure to water or salt spray.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGLSOWEE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Contents\u003c\/td\u003e\n\u003ctd\u003e8 pcs (4 red, 4 green)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eChemical fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter ring diameter\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.73 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner ring diameter (installed)\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.91 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner ring diameter (after removal)\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.18 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Systems\u003c\/td\u003e\n\u003ctd\u003eMost 6V and 12V vehicle batteries, top and side post\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThese fiber battery terminal washers are a sensible, low-cost addition for routine vehicle maintenance; they offer clear benefits in corrosion reduction, visual polarity identification and fit flexibility thanks to the removable inner ring. For owners seeking a simple way to keep battery posts clean and extend battery life on 6V and 12V systems, this 8-piece kit represents good value, though those needing a waterproof seal should consider other options.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these washers fit my battery posts?\u003c\/strong\u003e\u003cbr\u003eThey fit most top post and side post batteries; check the inner and outer diameters listed to ensure a proper fit and remove the inner ring for larger posts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo they stop corrosion completely?\u003c\/strong\u003e\u003cbr\u003eThey help reduce and slow corrosion by keeping terminals tidy and protected, but they do not provide a full waterproof seal against heavy exposure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many are included?\u003c\/strong\u003e\u003cbr\u003eThe package includes 8 washers total: 4 red for positive and 4 green for negative terminals.\u003c\/p\u003e","brand":"GLSOWEE","offers":[{"title":"Default Title","offer_id":46484832125147,"sku":"B0CRD84KLB","price":4.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71htv4a6f8L._AC_SL1200.jpg?v=1739298141","url":"https:\/\/gearmusthave.com\/products\/car-battery-terminal-anti-corrosion-washers-protects-posts","provider":"GearMustHave","version":"1.0","type":"link"}