{"product_id":"jyincped-2-vented-transfer-tank-fuel-cap-with-2in-threaded-cast-iron-neck-lockable-corrosion-resistant","title":"JYINCPED 2\" Vented Transfer Tank Fuel Cap with 2in Threaded Cast Iron Neck — Lockable, Corrosion-Resistant","description":"\u003cp\u003e\u003cstrong\u003eJYINCPED's 2-inch vented transfer tank fuel cap is a lockable, corrosion-resistant replacement cap and threaded neck assembly designed to safely vent pressure and prevent leaks for diesel and fuel transfer tanks with a standard 2\" NPT bung.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis vented fuel cap and heavy-duty cast iron neck from JYINCPED replaces worn or non-venting caps on transfer tanks, auxiliary tanks, mobile fuel carriers and many weather guard style tanks. It fits standard 2\" female-threaded bungs found on transfer tanks for trucks, trailers and stationary distillate tanks. Built with a spring-loaded sealing gasket and a lock-ready tab, the assembly balances controlled venting with theft deterrence and long-term corrosion resistance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this cap manage tank pressure when filling or drawing fuel?\u003c\/h3\u003e\n\u003cp\u003eThe cap uses a bidirectional venting path and a spring-loaded seal to equalize pressure safely. When you loosen the cap it releases built-up vapor pressure; when fuel is extracted it allows air in to prevent vacuum collapse.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBoth-direction venting releases internal pressure before full removal.\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded inner gasket maintains a seal while driving to prevent leaks.\u003c\/li\u003e\n  \u003cli\u003eVent prevents dangerous vapor accumulation and tank over-expansion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my truck’s transfer tank or replacement bung?\u003c\/h3\u003e\n\u003cp\u003eYes, it is engineered for standard 2\" NPT threaded tank bungs. It replaces Dee Zee Fill-Rite style transfer tank caps and fits most transfer tanks on pickups, trailers and stationary fuel drums with a 2\" female thread.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with standard 2\" NPT threaded tank bung bases.\u003c\/li\u003e\n  \u003cli\u003eWorks with many makes, including Ford, Chevy, GMC, Toyota, Nissan, Ram and others that use 2\" threads.\u003c\/li\u003e\n  \u003cli\u003eSuitable for transfer, auxiliary, mobile, and weather-guard style tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the lock feature deter theft and tampering?\u003c\/h3\u003e\n\u003cp\u003eThe cap includes an integrated tab with a hole sized for a 1\/4\"–5\/16\" shackle padlock (padlock not included). When secured, the lock prevents cap removal and significantly reduces siphoning, tampering and opportunistic theft.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLock-ready tab accepts common 1\/4\"–5\/16\" shackle padlocks.\u003c\/li\u003e\n  \u003cli\u003eTabs lock down the cap to the cast iron base to block removal.\u003c\/li\u003e\n  \u003cli\u003eSimple retrofit adds security without modifying the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and maintenance should I expect for durability?\u003c\/h3\u003e\n\u003cp\u003eThe cap assembly combines a heavy-duty cast iron base with a removable vented cap made from corrosion-resistant materials. Routine inspection of the gasket and lock slot keeps the system performing and leak-free for long service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCast iron threaded neck for robust mounting and load resistance.\u003c\/li\u003e\n  \u003cli\u003eWaterproof, corrosion-resistant cap components to withstand field conditions.\u003c\/li\u003e\n  \u003cli\u003eRemovable cap and replaceable gasket make maintenance straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: JYINCPED's 2\" vented transfer tank fuel cap is ideal for fleet managers, farmers, contractors and private vehicle owners who use transfer tanks, auxiliary diesel tanks or mobile fuel systems and need reliable venting, anti-theft protection and a durable replacement for worn or non-venting caps. It’s useful for anyone seeking a direct-fit 2\" NPT replacement that balances secure sealing, controlled venting and easy installation.\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: Does this cap fit all 2\" transfer tank bungs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits standard 2\" NPT female-threaded bungs, common on many transfer and auxiliary tanks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I add a padlock to prevent theft?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the tab accepts 1\/4\"–5\/16\" shackle padlocks (padlock not included) for theft deterrence.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JYINCPED","offers":[{"title":"Default Title","offer_id":48086416195742,"sku":"B0CXPW2D3K","price":43.92,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/jyincped-front-angle-cap-assembly.jpg?v=1785898048","url":"https:\/\/northtrailauto.ca\/products\/jyincped-2-vented-transfer-tank-fuel-cap-with-2in-threaded-cast-iron-neck-lockable-corrosion-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}