{"product_id":"gm-genuine-parts-fuel-tank-filler-locking-cap-gt376-84308352-threaded-keyed-lock-oem-fit","title":"GM GENUINE PARTS Fuel Tank Filler Locking Cap GT376 (84308352) — Threaded Keyed Lock, OEM Fit","description":"\u003cp\u003e\u003cstrong\u003eThe GM Genuine Parts GT376 (84308352) is a threaded locking fuel tank filler cap designed to seal your fuel tank securely while reducing the risk of fuel theft.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis locking filler cap is a premium aftermarket replacement engineered to match the fit, form, and function expected for many vehicles that originally used ACDelco components. Built to provide a reliable seal and simple operation, the cap combines a durable threaded design with an integrated lock mechanism so you can protect fuel and maintain proper pressurization without compromising convenience.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this cap keep fuel safe and secure?\u003c\/h3\u003e\n\u003cp\u003eThe GT376 uses a keyed lock to deter unauthorized opening and a precision-threaded closure to maintain a tight seal. That combination prevents casual tampering and helps preserve the vehicle’s fuel system integrity by limiting contamination and evaporation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeyed lock mechanism to restrict access\u003c\/li\u003e\n  \u003cli\u003eThreaded cap design for a consistent, tight seal\u003c\/li\u003e\n  \u003cli\u003eDurable materials resist corrosion and wear\u003c\/li\u003e\n  \u003cli\u003eOEM-style fit reduces risk of leaks or pressure issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my vehicle and match OEM performance?\u003c\/h3\u003e\n\u003cp\u003eThe GT376 (84308352) is manufactured to meet original-equipment expectations for fit and function, making it a reliable substitute for many vehicles that specify ACDelco-style caps. Confirm compatibility by matching the part number and thread pattern to your vehicle’s fuel filler specifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProduced to OEM tolerances for proper installation\u003c\/li\u003e\n  \u003cli\u003eReplacement for vehicles using the same ACDelco-style cap\u003c\/li\u003e\n  \u003cli\u003eCheck part number 84308352 or GT376 against your VIN\/specs\u003c\/li\u003e\n  \u003cli\u003eSimple installation—screw-in design requires no special tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the maintenance and durability benefits?\u003c\/h3\u003e\n\u003cp\u003eDesigned as a professional-grade aftermarket part, this cap offers dependable sealing performance over time. Its materials and construction minimize common wear issues so you can expect consistent operation and fewer replacements compared with low-quality alternatives.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eResistant to fuel and environmental exposure\u003c\/li\u003e\n  \u003cli\u003eMaintains a reliable seal to reduce vapour loss\u003c\/li\u003e\n  \u003cli\u003eLocking feature retains functionality after repeated use\u003c\/li\u003e\n  \u003cli\u003eManufactured to reduce fitment and leak-related service visits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to use and install?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward—unscrew the old cap and thread the GT376 into place until it seats; lock or unlock with the supplied key. Routine use requires only turning the key for security and rotating the cap for normal fueling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eScrew-in, threaded installation—no specialized tools\u003c\/li\u003e\n  \u003cli\u003eKeyed lock for one-handed locking and unlocking\u003c\/li\u003e\n  \u003cli\u003eDesigned for quick serviceability during refueling\u003c\/li\u003e\n  \u003cli\u003eClear engagement feel when cap is properly seated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The GM Genuine Parts GT376 (84308352) locking fuel tank filler cap is ideal for vehicle owners who want an OEM-compatible replacement that adds theft deterrence without sacrificing sealing performance. It suits mechanics, fleet managers, and private drivers seeking a durable, professional-grade fuel cap that aligns with original equipment standards and simplifies maintenance while protecting fuel assets.\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: Is the GT376 (84308352) compatible with my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Match the part number 84308352 or GT376 to your vehicle’s fuel cap specifications or consult your VIN to confirm compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the locking cap require special tools to install?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—installation is a simple screw-in fit, and the lock uses a supplied key for operation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":48084843724958,"sku":"B0792GT68W","price":39.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gm-genuine-parts-gt376-locking-fuel-cap-front-view.jpg?v=1785863385","url":"https:\/\/northtrailauto.ca\/products\/gm-genuine-parts-fuel-tank-filler-locking-cap-gt376-84308352-threaded-keyed-lock-oem-fit","provider":"North Trail Auto","version":"1.0","type":"link"}