{"product_id":"dorman-42353-engine-oil-filler-cap-o-ring","title":"Dorman 42353 Engine Oil Filler Cap O-Ring","description":"\u003ch2\u003eReliable Engine Oil Filler Cap O-Ring for GM Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 42353 Engine Oil Filler Cap O-Ring is designed to provide a secure seal for the oil filler cap on select Buick, Cadillac, Chevrolet, Pontiac, and Saturn models. Engineered with durable HNBR 70 material, this o-ring ensures consistent performance and resistance to heat and oil degradation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 37.5 mm for precise fitment\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 46 mm to match OEM specifications\u003c\/li\u003e\n\u003cli\u003eThickness: 4.25 mm for optimal sealing pressure\u003c\/li\u003e\n\u003cli\u003eConstructed from HNBR 70 material for enhanced durability\u003c\/li\u003e\n\u003cli\u003eIncludes one o-ring per package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Material and Precise Dimensions\u003c\/h2\u003e\u003cp\u003eThis engine oil filler cap o-ring is made from HNBR 70, a hydrogenated nitrile butadiene rubber known for its excellent resistance to heat, oil, and chemicals commonly found in automotive environments. The 37.5 mm inside diameter and 46 mm outside diameter ensure a snug fit on the oil filler cap, preventing leaks and contamination. With a thickness of 4.25 mm, the o-ring maintains a reliable seal under varying engine conditions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThe Dorman 42353 o-ring is compatible with a range of GM vehicles, including Buick Astra, Cadillac CTS and ELR, Chevrolet Aveo, Cruze, Sonic, Trax, and Volt, Pontiac G3 and G5, and Saturn Vue and Aura models. This part is specifically designed to replace worn or damaged oil filler cap seals on these vehicles, helping maintain engine integrity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the engine oil filler cap\u003c\/li\u003e\n\u003cli\u003eEliminates contamination from dirt and debris entering the engine\u003c\/li\u003e\n\u003cli\u003eRestores proper sealing on older or degraded oil filler caps\u003c\/li\u003e\n\u003cli\u003eHelps maintain engine oil pressure and cleanliness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen replacing the oil filler cap o-ring, ensure the engine is cool to avoid burns. Remove the old o-ring carefully and clean the sealing surface to remove any oil residue or debris. Lubricate the new o-ring lightly with clean engine oil before installation to ensure a proper seal and ease of fitting. Verify the o-ring sits evenly in the groove before securing the oil filler cap.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 42353 Engine Oil Filler Cap O-Ring undergoes quality inspections to ensure durability and performance. While specific warranty details are not provided, Dorman typically offers limited warranties on their replacement parts to support customer confidence.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52024585355445,"sku":"BKKY-42353","price":28.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MM_42353_Fro.jpg?v=1775078690","url":"https:\/\/www.partcatalog.com\/products\/dorman-42353-engine-oil-filler-cap-o-ring","provider":"PartCatalog","version":"1.0","type":"link"}