{"product_id":"jyincped-transfer-tank-fuel-cap-2-threaded-neck-vented-lockable-cast-iron-base","title":"JYINCPED Transfer Tank Fuel Cap — 2\" Threaded Neck Vented Lockable Cast-Iron Base","description":"\u003cp\u003e\u003cstrong\u003eJYINCPED's vented transfer tank fuel cap is a lockable, spring-loaded replacement cap with a 2\" threaded neck designed to vent pressure and prevent leaks for diesel and transfer tanks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty replacement cap fits standard 2\" NPT threaded tank bungs and serves as a durable upgrade for transfer, auxiliary, mobile, farm, and commercial fuel tanks. Built with a cast iron base and a removable vented cap, it provides controlled venting in both directions to relieve pressure or admit air, a sealed gasket to reduce spills and vapor loss, and a padlock-ready tab to deter theft and tampering.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this cap control pressure and prevent vapor buildup?\u003c\/h3\u003e\n\u003cp\u003eThe cap features a venting mechanism that releases internal tank pressure when loosening, and allows air in to avoid vacuum during fuel withdrawal. A spring-loaded valve and internal gasket work together to maintain safe pressure balance without manual intervention.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo-way venting releases excess pressure during removal.\u003c\/li\u003e\n  \u003cli\u003eAdmits air to prevent tank collapse when drawing fuel.\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded valve stabilizes internal pressure automatically.\u003c\/li\u003e\n  \u003cli\u003eInternal gasket reduces vapor leakage while venting functions operate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my existing transfer tank or Fill-Rite neck?\u003c\/h3\u003e\n\u003cp\u003eThis replacement is made to match standard 2\" NPT threaded tank bungs and is compatible with many transfer tank setups, including Dee Zee and Fill-Rite style necks. Confirm your tank uses a 2\" threaded bung to ensure proper fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for 2\" NPT threaded necks common on transfer tanks.\u003c\/li\u003e\n  \u003cli\u003eIncludes a heavy-duty cast iron 2\" base for secure mounting.\u003c\/li\u003e\n  \u003cli\u003eWorks with fuel, diesel, auxiliary, and mobile tank applications.\u003c\/li\u003e\n  \u003cli\u003eEasy alignment notch for straightforward installation and removal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the lock feature secure my fuel supply?\u003c\/h3\u003e\n\u003cp\u003eThe cap accepts a 1\/4\"–5\/16\" shackle padlock (not included) through a reinforced tab, preventing unauthorized removal and reducing risk of theft, tampering, or sabotage. The lock tab is positioned so a padlock holds the cap in place against the base tabs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePadlock-ready hole fits common 1\/4\"–5\/16\" shackles.\u003c\/li\u003e\n  \u003cli\u003eReinforced tab on the base holds lock securely.\u003c\/li\u003e\n  \u003cli\u003eSimple locking method without special tools required.\u003c\/li\u003e\n  \u003cli\u003eDeters siphoning and vandalism in field or fleet environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and leak-resistant is this transfer tank cap?\u003c\/h3\u003e\n\u003cp\u003eConstructed from corrosion-resistant materials with a robust cast iron base and an internal sealing gasket, the cap is engineered for long-term use in harsh outdoor and commercial settings. The spring-loaded closure helps maintain a tight seal during transport and operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWaterproof, corrosion-resistant construction for longevity.\u003c\/li\u003e\n  \u003cli\u003eInternal gasket prevents fuel seepage and excess vapor loss.\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded closure keeps cap sealed under motion and vibration.\u003c\/li\u003e\n  \u003cli\u003eRemovable vented cap for maintenance or replacement if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Professionals and owners who operate transfer, auxiliary, or mobile diesel tanks—such as farmers, fleet managers, contractors, and service technicians—will benefit from this cap's reliable venting, secure locking option, and rugged construction. If you need a straightforward, compatible replacement for a 2\" threaded intake neck that reduces spills, controls vapor, and adds theft protection, this JYINCPED vented transfer tank cap is a practical choice.\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 a 2\" Fill-Rite transfer tank neck?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is designed for standard 2\" NPT threaded bungs and will replace many Fill-Rite-style transfer tank caps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What size padlock does the cap accept?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The locking tab fits padlocks with a 1\/4\"–5\/16\" shackle diameter; the padlock itself is not included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JYINCPED","offers":[{"title":"Default Title","offer_id":67591074382009,"sku":"B0CKT18BWC","price":71.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/jyincped-cap-front-view.jpg?v=1790540685","url":"https:\/\/redleafauto.ca\/products\/jyincped-transfer-tank-fuel-cap-2-threaded-neck-vented-lockable-cast-iron-base","provider":"Redleaf Auto","version":"1.0","type":"link"}