{"product_id":"dorman-904-5201cd-diesel-exhaust-fluid-def-filler-cap","title":"Dorman 904-5201CD Diesel Exhaust Fluid (DEF) Filler Cap","description":"\u003ch2\u003eDEF Filler Cap Replacement\u003c\/h2\u003e\u003cp\u003eThis Dorman DEF filler cap is a direct-fit replacement for the original cap on specified vehicles. Built for dependable sealing and everyday durability, it helps restore proper closure at the diesel exhaust fluid fill point on applications such as Ford F-250 and Ford F-350 diesel models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMatches the fit and function of the original diesel exhaust fluid filler cap\u003c\/li\u003e\n\u003cli\u003eDesigned for durable, reliable performance in routine service use\u003c\/li\u003e\n\u003cli\u003eIncludes retention ring in the package contents\u003c\/li\u003e\n\u003cli\u003ePart number 904-5201CD for easy identification\u003c\/li\u003e\n\u003cli\u003eCross-references Monroe Shocks \u0026amp; Struts 572.3003 and 0427757000 for the same application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eUse this DEF filler cap when the original cap is damaged, missing, or no longer sealing correctly. The cap is engineered to align with OE-style fitment and function, helping maintain a secure closure at the DEF fill opening. For buyers searching for a Ford F-250 DEF filler cap replacement or Ford F-350 diesel exhaust fluid cap, 904-5201CD provides a straightforward service part option.\u003c\/p\u003e\u003ch2\u003eCommon Issues It May Solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBroken or cracked DEF filler cap\u003c\/li\u003e\n\u003cli\u003eMissing cap at the diesel exhaust fluid fill neck\u003c\/li\u003e\n\u003cli\u003eLoose closure that no longer seats properly\u003c\/li\u003e\n\u003cli\u003eWorn retention component at the fill opening\u003c\/li\u003e\n\u003cli\u003eNeed for a direct replacement during DEF system service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInspect the fill neck and sealing surfaces before installation. Clean away dirt, crystallized DEF residue, or debris so the cap seats correctly. Confirm vehicle application by year, make, and model before ordering, and verify the part number 904-5201CD against the original cap when replacing a damaged component.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman designs this DEF filler cap to match original fit and function on specified vehicles, with construction focused on durability and consistent performance. It is a practical OE-style replacement for diesel service needs.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52787927318709,"sku":"FKCX-904-5201CD","price":26.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_9045201CD_Ang.jpg?v=1783752898","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-5201cd-diesel-exhaust-fluid-def-filler-cap","provider":"PartCatalog","version":"1.0","type":"link"}