{"product_id":"bansdans-4-lever-style-locking-diesel-fuel-caps-2-pack-aluminum-pressure-relief-keys","title":"bansdans 4\" Lever-Style Locking Diesel Fuel Caps 2-Pack — Aluminium, Pressure-Relief, Keys","description":"\u003cstrong\u003eHeavy-duty 4-inch lever-style locking diesel fuel caps—two anodized aluminum caps with keys, seals, chains and pressure relief designed to fit many Peterbilt trucks from the 1970s through 2017.\u003c\/strong\u003e\n\n\u003cp\u003eThese bansdans replacement fuel caps provide a direct-fit, non-threaded option for select Peterbilt models, giving a secure closure with a built-in pressure relief. Sold as a two-piece set, each cap includes its own key and hardware so you can replace both tank caps without sourcing additional parts. The caps are made from aluminum with a lever-style locking mechanism for tool-free operation and include rubber gaskets and 13-inch safety chains for proper installation and retention.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Peterbilt models and years will these caps fit?\u003c\/h3\u003e\n\u003cp\u003eThese locking caps are built to match OE-style non-vented fuel openings used on many Peterbilt trucks. They are compatible with a broad list of models, especially across the 1995–2016 production span, and also work with some earlier and later model years where the same 4\" non-threaded cap interface is used.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon compatible models include 330, 335, 337, 340, 348, 352, 357, 359, 362, 365, 367.\u003c\/li\u003e\n  \u003cli\u003eAlso fits models 375, 377, 378, 379, 384–389 and larger trucks like 567, 579, 587.\u003c\/li\u003e\n  \u003cli\u003eReplaces factory numbers such as 11-04859-100, 11-04859-200, 572.1015 and 600212 for matching applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the lever-style locking mechanism work and what safety features are included?\u003c\/h3\u003e\n\u003cp\u003eThe lever lock engages quickly without tools, making everyday access faster while keeping the cap secured against unauthorized opening. The cap incorporates a pressure relief feature that helps equalize internal tank pressure when refueling, and the non-threaded design fits into the OE recess for a proper seal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLever-style lock for tool-free locking and unlocking.\u003c\/li\u003e\n  \u003cli\u003eIntegrated pressure release to ease opening during refuel operations.\u003c\/li\u003e\n  \u003cli\u003eNon-vented, non-threaded body compatible with original tank openings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and are the keys interchangeable?\u003c\/h3\u003e\n\u003cp\u003eEach order contains two complete locking caps plus installation accessories so you can replace both tank caps at once. Note that each cap has its own independent lock cylinder; keys are paired to their caps and are intentionally not interchangeable to improve security.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo 4\" aluminum locking fuel caps with lever locks.\u003c\/li\u003e\n  \u003cli\u003eFour matching keys, two rubber sealing rings, and two 13-inch safety chains.\u003c\/li\u003e\n  \u003cli\u003eEach cap ships keyed separately—keys do not operate the opposite cap.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain these fuel caps for best performance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: seat the non-threaded cap in the OE opening, secure the lever, attach the safety chain, and confirm the gasket compresses evenly. Regularly inspect the rubber gasket for wear and the lock for debris; lubricate the keyway annually to ensure smooth operation and long service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSeat cap in tank recess, engage lever until secure.\u003c\/li\u003e\n  \u003cli\u003eAttach safety chain to tank bracket to prevent loss during fueling.\u003c\/li\u003e\n  \u003cli\u003eReplace gasket if cracked or flattened; lubricate lock cylinder periodically.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: owners and technicians of Peterbilt trucks who need a reliable, OEM-style replacement for 4\" non-threaded diesel fuel openings. This set suits fleet managers replacing both tank caps at once, owner-operators restoring older models, and shops stocking dependable replacement parts for routine maintenance. For any fit questions, compare your vehicle's original part number with the listed replacements or contact the seller for application confirmation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the two caps keyed alike?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, each cap has its own lock cylinder and unique key; keys are not interchangeable between the two caps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these replace part number 11-04859-100?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, this two-pack replaces OE numbers including 11-04859-100, 11-04859-200, 572.1015, and 600212 where the 4\" non-threaded cap is used.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"bansdans","offers":[{"title":"Default Title","offer_id":55169750794583,"sku":"B0F42MZ65V","price":89.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/bansdans-front-view-locking-fuel-cap.jpg?v=1790423260","url":"https:\/\/britishgarage.co.uk\/products\/bansdans-4-lever-style-locking-diesel-fuel-caps-2-pack-aluminum-pressure-relief-keys","provider":"British Garage","version":"1.0","type":"link"}