{"product_id":"gm-genuine-parts-fuel-tank-filler-cap-gt261-19207873-oem-threaded-seal-rubber-gasket-factory-fit","title":"GM GENUINE PARTS Fuel Tank Filler Cap GT261 (19207873) OEM threaded seal, rubber gasket, factory fit","description":"\u003cp\u003e\u003cstrong\u003eGM Genuine Parts GT261 (19207873) is an OEM threaded fuel tank filler cap engineered to seal the tank, block contaminants, and match factory fit and durability.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis fuel tank filler cap from GM Genuine Parts replaces your vehicle's original cap with a part designed to the same specifications used at the factory. It includes a molded rubber sealing surface to reduce vapor escape and keep water and debris from entering the tank. Some units include a pressure-relief\/check valve that equalizes tank pressure as needed; regardless, the cap is tested to meet General Motors quality and fit standards so installation is straightforward and reliable.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this cap help control fuel vapors and pressure?\u003c\/h3\u003e\n\u003cp\u003eThe GT261 cap creates a tight mechanical seal around the filler neck using a precision-molded rubber gasket. By sealing the opening, it helps limit vapor loss and prevents stray odors. When equipped with a check-valve, it also allows air to move into or out of the tank to balance internal pressure safely.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRubber gasket provides a leak-resistant seal\u003c\/li\u003e\n  \u003cli\u003eThreads match GM filler-neck dimensions for secure fit\u003c\/li\u003e\n  \u003cli\u003eOptional check-valve equalizes tank pressure as designed\u003c\/li\u003e\n  \u003cli\u003eHelps reduce fuel vapor emissions during normal conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this cap fit my GM vehicle and install easily?\u003c\/h3\u003e\n\u003cp\u003eGT261 (19207873) is manufactured to GM original-equipment specifications for compatibility with matching filler necks used on specific GM models. Installation is typically a simple hand-thread and twist until it seats against the gasket—no special tools required. Always confirm the part number against your vehicle’s year, make, and model to ensure a correct match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMade to GM OE dimensions for proper fit, form, and function\u003c\/li\u003e\n  \u003cli\u003eHand-thread installation, no tools needed for most vehicles\u003c\/li\u003e\n  \u003cli\u003eCheck part number (GT261 \/ 19207873) against your vehicle guide\u003c\/li\u003e\n  \u003cli\u003eReplace when cap shows wear, leaks, or fails pressure tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this OEM cap compare with aftermarket alternatives?\u003c\/h3\u003e\n\u003cp\u003eAs an OE-specified component, the GM Genuine Parts cap is produced to the same standards and testing criteria used by GM, which helps ensure consistent performance and longevity. Aftermarket caps can vary in materials and tolerances; choosing the GM part reduces the risk of fitment issues or premature degradation. For drivers who want the same quality their vehicle left the factory with, this cap is the direct-replacement choice.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt to GM testing and manufacturing standards\u003c\/li\u003e\n  \u003cli\u003eMaterials and tolerances match factory expectations\u003c\/li\u003e\n  \u003cli\u003eLower chance of fitment or sealing problems than unknown aftermarket units\u003c\/li\u003e\n  \u003cli\u003eBacked by GM engineering and part identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I replace my fuel tank filler cap?\u003c\/h3\u003e\n\u003cp\u003eReplace the filler cap if you notice fuel odors, fuel warning lights related to evaporative emissions, visible gasket cracking, cross-threading, or if the cap no longer tightens securely. Regular inspection during maintenance intervals helps catch wear before it impacts fuel system performance. Swapping to a GM Genuine Parts cap restores factory sealing characteristics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace with visible gasket damage or hardening\u003c\/li\u003e\n  \u003cli\u003eReplace if threads are damaged or not seating\u003c\/li\u003e\n  \u003cli\u003eReplace if fuel smell or vapor-related dashboard warnings appear\u003c\/li\u003e\n  \u003cli\u003eUse GT261 (19207873) for correct OEM replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Drivers and technicians seeking a direct, factory-spec replacement fuel tank filler cap for compatible GM vehicles will benefit from the GT261 (19207873). It’s suited to owners who prioritize proper fit, reliable sealing, and OEM traceability—especially when diagnosing evaporative system concerns or performing routine fuel-system maintenance.\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 GT261 (19207873) the correct cap for my GM vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your vehicle’s parts catalog or VIN against GT261 \/ 19207873 to confirm compatibility before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this fuel cap myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—most installations are hand-threaded and require no tools; tighten until the gasket seats securely.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":48084646264990,"sku":"B000C9SJUC","price":39.61,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gm-genuine-parts-gt261-front-view-cap.jpg?v=1785861594","url":"https:\/\/northtrailauto.ca\/products\/gm-genuine-parts-fuel-tank-filler-cap-gt261-19207873-oem-threaded-seal-rubber-gasket-factory-fit","provider":"North Trail Auto","version":"1.0","type":"link"}