{"product_id":"acdelco-engine-oil-filler-cap-fc208-12573337-gm-oe-direct-fit-with-rubber-seal","title":"ACDelco Engine Oil Filler Cap FC208 (12573337) — GM OE Direct-Fit with Rubber Seal","description":"\u003cstrong\u003eACDelco GM Original Equipment FC208 (12573337) Engine Oil Filler Cap is a direct-fit replacement cap that seals the engine oil fill opening and protects the crankcase from leaks and contamination.\u003c\/strong\u003e\n\nThis engine oil filler cap is made to GM Original Equipment specifications to restore the fit, function, and durability of your vehicle’s factory part. It includes a molded rubber sealing ring that traps oil and crankcase vapors inside while keeping dirt, moisture, and road contaminants out. Whether you’re replacing a lost cap or renewing a worn seal after service, this ACDelco cap aims to match the performance of the component installed at the factory.\n\n\u003ch3\u003eHow does this cap prevent oil leaks and contamination?\u003c\/h3\u003e\n\u003cp\u003eThe cap uses a threaded or quarter-turn closure and an integrated rubber gasket to create a tight barrier at the oil fill opening. A correct seal keeps oil from splashing or weeping out and prevents external debris and water from entering the crankcase area.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMolded rubber sealing ring for consistent compression and sealing\u003c\/li\u003e\n  \u003cli\u003ePrecision fit to GM OE dimensions to avoid gaps or misalignment\u003c\/li\u003e\n  \u003cli\u003eRobust closure (threaded or quarter-turn) to resist loosening from vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this cap fit my GM vehicle and how does it compare to the original?\u003c\/h3\u003e\n\u003cp\u003eThis ACDelco cap is manufactured to meet GM Original Equipment standards and is intended as a direct replacement for the factory-installed part it supersedes. It matches the original in size, sealing design, and service life expectations, so installation and performance are comparable to the component shipped with the vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupplied to GM OE specification for fit, form, and function\u003c\/li\u003e\n  \u003cli\u003ePart number FC208 (12573337) corresponds to specific GM models—verify fit by part number\u003c\/li\u003e\n  \u003cli\u003eQuality and durability aligned with GM-recommended replacement parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install or inspect the oil filler cap during routine maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: remove the old cap and thread or press this cap into the oil fill opening until snug. Inspect the rubber seal for cracks or deformation and clean the fill neck to ensure a consistent seal; replace the cap if the gasket is damaged or the closure feels loose.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand-tighten until the cap seats firmly—no tools required for typical caps\u003c\/li\u003e\n  \u003cli\u003eCheck the rubber gasket for wear, hardening, or tears before installing\u003c\/li\u003e\n  \u003cli\u003eWipe the oil fill neck clean to remove sludge and old oil that can prevent sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the practical benefits of choosing this ACDelco GM OE cap?\u003c\/h3\u003e\n\u003cp\u003eUsing a cap built to OE specifications helps maintain proper crankcase ventilation and prevents oil loss and contamination that can affect engine cleanliness. It also preserves the vehicle’s original engineering intent and reduces the chance of fitment issues common with generic aftermarket caps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps maintain engine bay cleanliness by reducing oil seepage\u003c\/li\u003e\n  \u003cli\u003eProtects internal components from moisture and debris intrusion\u003c\/li\u003e\n  \u003cli\u003eOffers the reliability expected for scheduled maintenance and repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for: This ACDelco FC208 (12573337) Engine Oil Filler Cap is aimed at GM owners, mechanics, and DIY enthusiasts who need a dependable, factory-spec replacement cap. It’s appropriate for anyone replacing a missing or worn oil filler cap, rebuilding an engine, or performing routine service and wanting the assurance of GM-approved fit and sealing performance.\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 FC208 (12573337) cap an original GM part?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The FC208 (12573337) is an ACDelco part made to GM Original Equipment specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this cap myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It installs by hand—remove the old cap, clean the fill neck, and tighten until seated.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":67593462808761,"sku":"B000C9TTJM","price":56.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/acdelco-fc208-front-cap.jpg?v=1790575868","url":"https:\/\/redleafauto.ca\/products\/acdelco-engine-oil-filler-cap-fc208-12573337-gm-oe-direct-fit-with-rubber-seal","provider":"Redleaf Auto","version":"1.0","type":"link"}