{"product_id":"2x-4-locking-diesel-fuel-cap-for-1972-17-peterbilt-330-587-trucks-11-04859-200","title":"2x 4\" Locking Diesel Fuel Cap for 1972-17 Peterbilt 330-587 Trucks 11-04859-200","description":"\u003ch2\u003e4\" Locking Diesel Fuel Cap for Peterbilt\u003c\/h2\u003e\u003cp\u003eThis 4-inch locking diesel fuel cap secures your tank and replaces OE part numbers such as 11-04859-200.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis locking diesel fuel cap is designed for Peterbilt trucks from 1972 through 2017, providing a secure, leak-proof seal to prevent fuel siphoning and contamination. Fleet operators and owner-operators alike rely on a locking diesel fuel cap for added peace of mind on the road.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTwo-pack includes matching keys for both caps, so one key fits all\u003c\/li\u003e\n\u003cli\u003e4-inch diameter fits standard Peterbilt saddle tank fill necks\u003c\/li\u003e\n\u003cli\u003eHardened locking core resists drilling and picking\u003c\/li\u003e\n\u003cli\u003eRubber gasket ensures a tight, spill-free seal\u003c\/li\u003e\n\u003cli\u003eHeavy-gauge zinc body withstands rugged diesel environments\u003c\/li\u003e\n\u003cli\u003eQuick-turn bayonet-style mount for easy on\/off\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Peterbilt 330 (1972‑2017)\u003c\/li\u003e\n\u003cli\u003efor Peterbilt 587 (1972‑2017)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSecures fuel during overnight parking in truck stops\u003c\/li\u003e\n\u003cli\u003ePrevents siphoning at unguarded job sites\u003c\/li\u003e\n\u003cli\u003eMaintains fuel quality on farm and ranch diesel tanks\u003c\/li\u003e\n\u003cli\u003eLocks out contaminants on construction fleet trucks\u003c\/li\u003e\n\u003cli\u003eProvides keyed security for multi-driver operations\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\u003e11-04859-200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Caps (with keys)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCap Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiesel fuel tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Brand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Peterbilt\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 Will this locking diesel fuel cap fit my Peterbilt if it has a smaller filler neck? \u003cstrong\u003eA:\u003c\/strong\u003e Measure your filler opening: the cap fits standard 4-inch necks on 1972‑2017 Peterbilt models; it will not seal properly on a different diameter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use the same key for both caps? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the pair of locking diesel fuel caps comes with matching keys, so you only need one key to unlock either cap.\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":44965126045782,"sku":"ZZ3A00950","price":116.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_77bca03f-751f-403e-a8ba-bf7391764560.jpg?v=1781653983","url":"https:\/\/www.solidspare.com\/products\/2x-4-locking-diesel-fuel-cap-for-1972-17-peterbilt-330-587-trucks-11-04859-200","provider":"Solid Spare","version":"1.0","type":"link"}