{"product_id":"gm-genuine-parts-fuel-tank-filler-cap-gt347-20962524-threaded-oem-fit-with-rubber-gasket","title":"GM GENUINE PARTS Fuel Tank Filler Cap GT347 (20962524) — Threaded OEM Fit with Rubber Gasket","description":"\u003cp\u003e\u003cstrong\u003eThe GM Genuine Parts GT347 (20962524) Fuel Tank Filler Cap is an original-equipment threaded fuel cap that seals the filler neck to retain fuel and keep contaminants out.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement fuel tank filler cap is built to the same specifications as the factory-installed part for compatible GM vehicles. It uses a molded rubber gasket and precision threads to form a secure, liquid-tight closure for the fuel filler, helping protect the tank from water, dust, and fuel loss while maintaining the vehicle’s designed evaporative system performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this cap secure my fuel and reduce contamination?\u003c\/h3\u003e\n\u003cp\u003eThe GT347 fastens with matching threads and a resilient rubber seal to close the filler neck tightly. That physical barrier keeps liquid fuel inside while barring entry of dirt, rain, and road grime that could otherwise enter the tank.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMolded rubber gasket for a reliable liquid-tight seal\u003c\/li\u003e\n  \u003cli\u003eThreaded design ensures consistent mechanical engagement\u003c\/li\u003e\n  \u003cli\u003ePrevents debris and moisture from reaching the fuel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this cap work with my GM vehicle and the evaporative system?\u003c\/h3\u003e\n\u003cp\u003eThis cap is manufactured as a GM-recommended replacement and matches original equipment dimensions for compatible models. Some versions include a one-way or pressure-relief check function to equalize tank pressure while maintaining proper sealing for the evaporative emissions system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM fitment for vehicles that require part number 20962524 \/ GT347\u003c\/li\u003e\n  \u003cli\u003eCheck-valve design on applicable units to manage tank pressure\u003c\/li\u003e\n  \u003cli\u003eMeets General Motors’ original component specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does a proper fuel cap help with running costs and emissions?\u003c\/h3\u003e\n\u003cp\u003eA correctly installed, tight-fitting fuel cap reduces vapor losses and helps prevent fuel evaporation, which can lower the amount of fuel you lose between fill-ups. By keeping vapors contained, it also supports the vehicle’s emission-control systems and helps limit unnecessary evaporative emissions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces vapor escape that can waste fuel\u003c\/li\u003e\n  \u003cli\u003eSupports the vehicle’s evaporative emissions control strategy\u003c\/li\u003e\n  \u003cli\u003eHelps maintain predictable fuel economy and fewer refueling stops\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the GM Genuine Parts filler cap and what maintenance does it need?\u003c\/h3\u003e\n\u003cp\u003eConstructed to GM OEM standards, this cap is designed for long service life under normal driving conditions. Routine inspection of the gasket and threads for wear, cracking, or contamination will help ensure continued sealing performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt to GM quality and durability standards\u003c\/li\u003e\n  \u003cli\u003eInspect rubber gasket periodically for cracks or hardening\u003c\/li\u003e\n  \u003cli\u003eClean threads and seat area to preserve proper seating and seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The GM Genuine Parts GT347 (20962524) Fuel Tank Filler Cap is intended for owners and technicians who need an exact-fit, original-equipment replacement for compatible GM vehicles. It’s a practical choice for drivers focused on maintaining factory-spec sealing, preventing fuel loss and contamination, and ensuring the vehicle’s evaporative system functions as designed. Ideal for routine service, part replacements after loss or damage, or when diagnosing fuel-system or evaporative emission issues where seal integrity is critical.\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 GT347 fuel cap an OEM part for GM cars?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The GT347 (20962524) is a GM Genuine Parts recommended replacement matching original equipment specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the fuel filler cap?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace if the rubber gasket cracks, threads are damaged, or if the cap no longer seals properly; otherwise inspect periodically during routine maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":48084761968798,"sku":"B005OUX06C","price":23.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gm-gt347-front-view-cap-installed.jpg?v=1785862158","url":"https:\/\/northtrailauto.ca\/products\/gm-genuine-parts-fuel-tank-filler-cap-gt347-20962524-threaded-oem-fit-with-rubber-gasket","provider":"North Trail Auto","version":"1.0","type":"link"}