{"product_id":"cat-caterpillar-new-oem-diesel-exhaust-fluid-def-filter-425-0385-0810","title":"CAT Caterpillar NEW OEM Diesel Exhaust Fluid DEF Filter 425-0385 0810","description":"\u003cdiv\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eCaterpillar OEM Diesel Exhaust Fluid (DEF) Filter — Part Number 425-0385\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eBrand: Caterpillar | Condition: New Old Stock (NOS)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eYou are purchasing a genuine Caterpillar OEM Diesel Exhaust Fluid (DEF) Filter, part number \u003cstrong\u003e425-0385\u003c\/strong\u003e. This is an authentic factory original part — never installed, never used.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eCondition Details:\u003c\/strong\u003e This is a New Old Stock (NOS) part. The filter itself is in new, uninstalled condition. As is common with NOS inventory, the original packaging may show signs of age, including shelf wear, dust, or minor cosmetic blemishes on the bag or box. The part is new and fully functional.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003ePart Number \/ Supersede Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePrimary OEM Part Number: \u003cstrong\u003e425-0385\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAlso referenced as: \u003cstrong\u003e4250385\u003c\/strong\u003e \/ \u003cstrong\u003eFILTER AS-DE\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThis part number may have been superseded or cross-referenced by an updated Caterpillar part number. We recommend verifying any current supersede numbers through your local Cat dealer or the official Caterpillar parts catalog (parts.cat.com) prior to ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eAbout This Part:\u003c\/strong\u003e\u003cbr\u003e\nThis DEF filter is designed to protect the Selective Catalytic Reduction (SCR) aftertreatment system from contaminants in the diesel exhaust fluid. Genuine Cat DEF filters are engineered specifically for Cat Tier 4 emissions systems, helping maintain proper SCR function, extend system component life, and prevent costly repairs caused by fluid contamination.\u003c\/p\u003e\n\u003c\/div\u003e\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003c\/ul\u003e\u003cp dir=\"ltr\" style=\"line-height:1.38;margin-top:12pt;margin-bottom:12pt;\"\u003e\n\n\n\n\n\u003c\/p\u003e\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWhy Choose OEM Parts?\u003c\/strong\u003e OEM parts are engineered and manufactured to exact factory tolerances, ensuring a precise fit, reliable performance, and long service life. Unlike aftermarket alternatives, OEM parts are designed specifically for your equipment — no modifications, no guesswork\u003c\/p\u003e\u003cp dir=\"ltr\" style=\"line-height:1.38;margin-top:12pt;margin-bottom:12pt;\"\u003e\u003cspan style=\"font-size:11pt;font-family:Arial,sans-serif;color:#000000;background-color:transparent;font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;\"\u003eReturns:\u003c\/span\u003e\u003cspan style=\"font-size:11pt;font-family:Arial,sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;\"\u003e We proudly offer hassle-free returns. If you are not completely satisfied with your purchase for any reason, simply open a return request through eBay within \u003c\/span\u003e\u003cspan style=\"font-size:11pt;font-family:Arial,sans-serif;color:#000000;background-color:transparent;font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;\"\u003e30 days of purchase\u003c\/span\u003e\u003cspan style=\"font-size:11pt;font-family:Arial,sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;\"\u003e and we will take care of you promptly.\u003c\/span\u003e\u003c\/p\u003e\u003cp dir=\"ltr\" style=\"line-height:1.38;margin-top:12pt;margin-bottom:12pt;\"\u003e\u003cspan id=\"docs-internal-guid-46b6edbb-7fff-5396-f3e5-8e07a08ffb04\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp dir=\"ltr\" style=\"line-height:1.38;margin-top:12pt;margin-bottom:12pt;\"\u003e\u003cspan style=\"font-size:11pt;font-family:Arial,sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;\"\u003eThank you for choosing \u003c\/span\u003e\u003cspan style=\"font-size:11pt;font-family:Arial,sans-serif;color:#000000;background-color:transparent;font-weight:700;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;\"\u003eQBS Parts Inc\u003c\/span\u003e\u003cspan style=\"font-size:11pt;font-family:Arial,sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;\"\u003e! We truly appreciate your business. If you have any issues whatsoever with your order, please give us the opportunity to resolve it before leaving feedback — we are committed to making every transaction a great experience. \u003c\/span\u003e\u003cspan style=\"font-size:11pt;font-family:Arial,sans-serif;color:#000000;background-color:transparent;font-weight:700;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;\"\u003ePlease verify fitment using your equipment's model and serial number before purchasing.\u003c\/span\u003e\u003cspan style=\"font-size:11pt;font-family:Arial,sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;\"\u003e Feel free to message us with any questions — we're here to help!\u003c\/span\u003e\u003c\/p\u003e\u003cp dir=\"ltr\" style=\"line-height:1.38;margin-top:12pt;margin-bottom:12pt;\"\u003e\u003cspan style=\"font-size:11pt;font-family:Arial,sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;\"\u003e\u003cspan style=\"font-style: normal; font-weight: 700;\"\u003eQUALITY BOAT SALVAGE – Gardena, CA\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"CAT","offers":[{"title":"Default Title","offer_id":43709005004859,"sku":"QBS 393 Bag 2","price":10.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/1399\/9163\/files\/57_af45e42e-5926-4019-ae15-b4c584d3803f.jpg?v=1782446781","url":"https:\/\/qbspartsinc.com\/products\/cat-caterpillar-new-oem-diesel-exhaust-fluid-def-filter-425-0385-0810","provider":"My Store","version":"1.0","type":"link"}