{"product_id":"genuine-1239900053-fuel-pump-cap-nut","title":"Genuine 1239900053 Fuel Pump Cap Nut","description":"\u003ch2\u003eReliable Fuel Pump Cap Nut for Mercedes-Benz Models\u003c\/h2\u003e\u003cp\u003eThe Genuine fuel pump cap nut, part number 1239900053, is designed specifically for select Mercedes-Benz vehicles. This essential hardware component ensures secure fastening of the fuel pump assembly, maintaining proper fuel system integrity for models like the 190E, 300SL, and SL series.\u003c\/p\u003e\u003ch2\u003eKey Features of the Genuine Fuel Pump Cap Nut\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mercedes-Benz 190E, 300SL, 500SL, 600SL, SL320, SL500, and SL600 models\u003c\/li\u003e\n\u003cli\u003eDurable construction for long-lasting performance\u003c\/li\u003e\n\u003cli\u003ePrecision fit to OEM specifications\u003c\/li\u003e\n\u003cli\u003ePart number 1239900053 ensures exact replacement\u003c\/li\u003e\n\u003cli\u003eEssential for maintaining fuel system sealing and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThis Genuine fuel pump cap nut is engineered to meet the exact requirements of Mercedes-Benz fuel and air delivery systems. It is a critical fastener that secures the fuel pump assembly, preventing leaks and ensuring consistent fuel delivery. The part number 1239900053 corresponds to this specific cap nut, making it a direct replacement for worn or damaged components on Mercedes-Benz 190E, 300SL, 500SL, 600SL, SL320, SL500, and SL600 models. Using the correct fuel pump cap nut helps maintain the integrity of the fuel system and supports optimal engine performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents fuel leaks caused by loose or damaged cap nuts\u003c\/li\u003e\n\u003cli\u003eEliminates fuel pump assembly movement and vibration\u003c\/li\u003e\n\u003cli\u003eRestores proper sealing of the fuel delivery system\u003c\/li\u003e\n\u003cli\u003eReplaces corroded or stripped fasteners in older Mercedes-Benz models\u003c\/li\u003e\n\u003cli\u003eSupports safe and reliable fuel system operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the fuel pump assembly is properly aligned before tightening the cap nut\u003c\/li\u003e\n\u003cli\u003eUse appropriate torque specifications to avoid over-tightening or damage\u003c\/li\u003e\n\u003cli\u003eInspect surrounding fuel system components for wear during installation\u003c\/li\u003e\n\u003cli\u003eReplace any damaged seals or gaskets to maintain fuel system integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eAs a Genuine part, the fuel pump cap nut 1239900053 is manufactured to meet Mercedes-Benz OEM standards. This ensures reliable fitment and durability for the specified models. While specific warranty details may vary, Genuine parts typically come with manufacturer-backed quality assurance to support long-term vehicle performance and safety.\u003c\/p\u003e","brand":"Genuine","offers":[{"title":"Default Title","offer_id":43889762468021,"sku":"DFPH-1239900053","price":13.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/GU_1239900053_Top.jpg?v=1775003394","url":"https:\/\/www.partcatalog.com\/products\/genuine-1239900053-fuel-pump-cap-nut","provider":"PartCatalog","version":"1.0","type":"link"}