{"product_id":"4pcs-3-31-in-wheel-center-caps-fit-3-31ft-center-bore-matt-black","title":"4Pcs 3.31 in Wheel Center Caps Fit 3.31ft Center Bore - Matt Black","description":"\u003cp\u003eIn this review the 4Pcs 3.31 in Wheel Center Caps are assessed as a practical, low-cost upgrade for truck, trailer and RV owners who need durable hub protection and a cleaner wheel appearance. The biggest reason to buy is the combination of a full 360 painted finish on premium carbon steel and a push-through fit for a 3.31 in center bore, which provides reliable resistance to salt and road grime while improving the look of standard wheels. This review focuses on real-world fit, finish and value rather than marketing claims.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e360 Painted Finish:\u003c\/strong\u003e Full internal and external black paint protects the metal from salt-corrosion and harsh weather for longer service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon Steel Construction:\u003c\/strong\u003e Sturdy metal body offers impact resistance and a solid feel compared with plastic caps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush Through Installation:\u003c\/strong\u003e Simple installation lets you push the cap through from the back of the rim for quick fitting without special tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Fit Size:\u003c\/strong\u003e Designed specifically for a 3.31 in center bore so it seals the hub and prevents dirt and moisture ingress when dimensions match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Maintenance:\u003c\/strong\u003e The painted finish is easy to clean and helps repel road salts and grime, reducing corrosion risk on hub surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese center caps suit owners of trailers, trucks, RVs and SUVs that have a 3.31 in pilot diameter center bore and who want a tougher metal cap than typical plastic alternatives. They are a good choice for users who face wet or salty conditions and need rust-resistant protection and a cleaner wheel appearance.\u003c\/p\u003e\n\u003cp\u003eThey are not for wheels with center bores larger or smaller than 3.31 in; buyers who cannot confirm dimensions with a digital caliper should measure before purchasing. Customers seeking decorative styles or multi-piece ornamental caps should look elsewhere, since these are functional matt black carbon steel covers focused on protection and simplicity.\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\u003eDurable carbon steel body with full internal and external paint for corrosion resistance.\u003c\/li\u003e\n\u003cli\u003ePush-through design makes installation fast and tool-free when bore size matches.\u003c\/li\u003e\n\u003cli\u003eImproves wheel appearance while keeping dirt and moisture out of the hub area.\u003c\/li\u003e\n\u003cli\u003eSold in a set of 4, offering straightforward replacement for a full axle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits only 3.31 in center bores, so precise measurement is required before purchase.\u003c\/li\u003e\n\u003cli\u003eThe metal material receives mixed impressions from some users who expected lighter weight or different finish options.\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\u003eGTOWNWORKS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePremium carbon steel with painted finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e84 mm \/ 3.31 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal height\u003c\/td\u003e\n\u003ctd\u003e72 mm \/ 2.83 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall height\u003c\/td\u003e\n\u003ctd\u003e76 mm \/ 2.99 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eFits 3.31 in center bore only (push-through)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSet of 4 center caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 4Pcs 3.31 in Wheel Center Caps are a practical, value-oriented choice for anyone with a matching 3.31 in wheel center bore who wants robust hub protection and a cleaner look. Built from carbon steel with a full painted finish, they resist salt and grime better than many plastic caps and install quickly. For the price and durability, they represent solid value for trailer, truck and RV owners who confirm fit before buying.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these fit my wheel?\u003c\/strong\u003e\u003cbr\u003eThey fit only wheels with a 3.31 in center bore; use a digital caliper to verify the pilot diameter before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow are they installed?\u003c\/strong\u003e\u003cbr\u003eThe caps are push-through: push the cap into the rim opening from the back side until the flange seats to hold it in place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre they rust proof?\u003c\/strong\u003e\u003cbr\u003eThe carbon steel caps have full internal and external paint for salt-corrosion resistance, but long-term protection depends on maintenance and exposure.\u003c\/p\u003e","brand":"GTOWNWORKS","offers":[{"title":"Default Title","offer_id":48750527021275,"sku":"B0BKRQ1S99","price":43.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/619tgChsJkL._AC_SL1500.jpg?v=1778830695","url":"https:\/\/gearmusthave.com\/products\/4pcs-3-31-in-wheel-center-caps-fit-3-31ft-center-bore-matt-black","provider":"GearMustHave","version":"1.0","type":"link"}