{"title":"DEF Pumps","description":"\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eWhat a DEF Pump Does and Why Pressure Matters\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA def pump isn't just moving fluid from point A to point B; it's maintaining a specific pressure the DEF injector depends on to dose fluid accurately into the exhaust stream. Too little pressure and dosing falls short, undermining SCR efficiency and often triggering the same fault codes associated with poor-quality DEF. Too much pressure can flood the system or accelerate wear on downstream components. Because of this, a defective pump replacement often resolves problems that initially look like an injector or sensor fault, since inconsistent pressure upstream throws off everything that follows.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eSigns Your DEF Pump Is Failing\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDEF pump failure tends to follow a recognizable pattern across most commercial platforms:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eA dashboard warning specifically referencing DEF system or SCR fault, usually the first sign something's wrong.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eA whining or clicking noise from the DEF tank area, often audible before any fault code appears.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eInconsistent DEF pressure readings on diagnostic tools, fluctuating rather than holding steady under load.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eA performance derate is triggered once the system determines that dosing accuracy can no longer be guaranteed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDEF pooling or leaking near the tank, pointing to a physical pump seal failure rather than an electrical fault.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eDEF Pump vs. AdBlue Pump: Same Part, Different Naming\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf you've seen the term adblue pump used alongside def pump and wondered whether they're different parts, they're not. AdBlue is the branded name for diesel exhaust fluid used more commonly outside North America, while DEF is the standard term used domestically. Functionally, an AdBlue pump and a DEF pump perform the exact same role in the exact same system, so fitment considerations don't change based on which term a listing uses.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003ePlatform-Specific DEF Pump Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDEF pump design, mounting position, and even pressure specification vary considerably across commercial platforms, and confirming the exact application avoids a costly mismatch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFreightliner platforms:\u003c\/span\u003e\u003cspan\u003e Both Cascadia DEF pump and DEF pump Freightliner searches point to one of the most common commercial replacement applications we fulfill, given how widely the Cascadia is used across long-haul fleets. A DEF pump for Freightliner Cascadia typically requires confirming the model year, since DEF system design shifted across several production years.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMack platforms:\u003c\/span\u003e\u003cspan\u003e Mack DEF pump applications follow a similarly well-documented failure pattern, often tied to tank-mounted pump assemblies that see constant vibration exposure over the life of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eRam platforms:\u003c\/span\u003e\u003cspan\u003e Ram 3500 DEF pump and def pump ram 2500 applications differ from heavy commercial trucks in both access difficulty and pump design, generally requiring less specialized tooling to service despite still being a DEF-critical component.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eHino platforms:\u003c\/span\u003e\u003cspan\u003e Hino DEF pump applications are common on medium-duty commercial routes, with pump access typically more straightforward than full-size Class 8 trucks.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eDEF Pump Replacement: What to Check First\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBefore ordering a def pump replacement, a few checks help avoid a repeat repair:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eConfirm the fault is pump-related and not tied to a clogged DEF filter or contaminated fluid, since both can mimic pump failure symptoms.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eInspect the tank-mounted wiring harness for corrosion, a common issue on trucks that see road salt or heavy winter use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eVerify your exact model year and platform, since pump design has changed across production years even within the same truck line.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCheck for related DEF injector or NOx sensor fault codes logged at the same time, since addressing the pump alone while ignoring a related fault often results in the warning returning.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eHow DEF Pumps Fit Into the Full Emissions Chain\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA def pump doesn't operate in isolation; it's the delivery mechanism feeding your DEF injector, which in turn supports the entire SCR and NOx reduction process downstream. A pump replaced without checking injector condition or without confirming SCR catalyst health sometimes resolves one fault only to have a related one surface shortly after. CBT Auto Parts lists DEF pumps within the same fitment-checked catalog as our DEF injectors, SCR components, and AdBlue range, giving fleet operators and owner-operators a single source for the full DEF system rather than sourcing parts across scattered suppliers.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"diesel-emissions-fluid-def-pump-0024706894-0024704994-0928404016-0928404008-1908499093-f01c600194-for-benz-for-freightliner","title":"DEF Pump 0024706894 \/ 0024704994 \/ 0928404016 \/ 0928404008 \/ 1908499093 \/ F01C600194 for Mercedes-Benz \u0026 Freightliner Trucks 2008–2021","description":"\u003ch3 data-start=\"479\" data-end=\"501\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"503\" data-end=\"572\"\u003e\u003cstrong data-start=\"503\" data-end=\"517\"\u003ePart Name:\u003c\/strong\u003e Diesel Emissions Fluid (DEF) Pump \/ AdBlue Urea Pump\u003c\/p\u003e\n\u003cp data-start=\"574\" data-end=\"664\"\u003e\u003cstrong data-start=\"574\" data-end=\"591\"\u003ePart Numbers:\u003c\/strong\u003e 0024706894, 0024704994, 0928404016, 0928404008, 1908499093, F01C600194\u003c\/p\u003e\n\u003cp data-start=\"666\" data-end=\"694\"\u003e\u003cstrong data-start=\"666\" data-end=\"692\"\u003eVehicle Compatibility: \u003c\/strong\u003e\u003cstrong data-start=\"697\" data-end=\"721\"\u003eMercedes-Benz Trucks\u003c\/strong\u003e – Actros, Axor, Arocs, Atego series with SCR emission systems \u003cstrong data-start=\"788\" data-end=\"811\"\u003eFreightliner Trucks\u003c\/strong\u003e – Cascadia and other DD13\/DD15 engine platforms\u003cbr data-start=\"859\" data-end=\"862\"\u003eModel Years: \u003cstrong data-start=\"875\" data-end=\"888\"\u003e2008–2021\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"893\" data-end=\"1060\"\u003e\u003cstrong data-start=\"893\" data-end=\"911\"\u003eConfiguration:\u003c\/strong\u003e OEM-style DEF pump designed to supply pressurized urea solution to the SCR dosing injector, ensuring proper NOx reduction and emission compliance.\u003c\/p\u003e\n\u003cp data-start=\"1062\" data-end=\"1212\"\u003e\u003cstrong data-start=\"1062\" data-end=\"1075\"\u003eFunction:\u003c\/strong\u003e Maintains stable system pressure for accurate dosing of DEF fluid, improving emissions control and meeting Euro 5\/6 and EPA standards.\u003c\/p\u003e\n\u003ch3 data-start=\"1219\" data-end=\"1249\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp data-start=\"1251\" data-end=\"1293\"\u003e\u003cstrong data-start=\"1251\" data-end=\"1260\"\u003eType:\u003c\/strong\u003e SCR AdBlue \/ DEF Pump Assembly\u003c\/p\u003e\n\u003cp data-start=\"1295\" data-end=\"1409\"\u003e\u003cstrong data-start=\"1295\" data-end=\"1308\"\u003eMaterial:\u003c\/strong\u003e Corrosion-resistant composite housing with integrated electric motor and precision pump components\u003c\/p\u003e\n\u003cp data-start=\"1411\" data-end=\"1586\"\u003e\u003cstrong data-start=\"1411\" data-end=\"1427\"\u003eApplication:\u003c\/strong\u003e Fits \u003cstrong data-start=\"1433\" data-end=\"1474\"\u003eMercedes-Benz and Freightliner trucks\u003c\/strong\u003e (2008–2021) using pump references 0024706894 \/ 0024704994 \/ 0928404016 \/ 0928404008 \/ 1908499093 \/ F01C600194\u003c\/p\u003e\n\u003cp data-start=\"1588\" data-end=\"1742\"\u003e\u003cstrong data-start=\"1588\" data-end=\"1608\"\u003eCross-Reference:\u003c\/strong\u003e Equivalent to OE part numbers listed above; compatible with Bosch dosing systems commonly installed in Daimler heavy-duty platforms\u003c\/p\u003e\n\u003cp data-start=\"1744\" data-end=\"1878\"\u003e\u003cstrong data-start=\"1744\" data-end=\"1761\"\u003eInstallation:\u003c\/strong\u003e Direct-fit replacement; mounts on OEM brackets and connects to standard SCR AdBlue lines and electrical connectors\u003c\/p\u003e\n\u003cp data-start=\"1880\" data-end=\"2000\"\u003e\u003cstrong data-start=\"1880\" data-end=\"1901\"\u003eService Interval:\u003c\/strong\u003e Replace when DEF pressure is low, dosing malfunctions occur, or SCR system warning lights appear\u003c\/p\u003e\n\u003ch3 data-start=\"2007\" data-end=\"2036\"\u003eDelivery \u0026amp; Availability\u003c\/h3\u003e\n\u003cp data-start=\"2038\" data-end=\"2155\"\u003e\u003cstrong data-start=\"2038\" data-end=\"2056\"\u003eStock Options:\u003c\/strong\u003e High-quality aftermarket \u003cstrong data-start=\"2082\" data-end=\"2095\"\u003eDEF pumps\u003c\/strong\u003e available for Mercedes-Benz and Freightliner applications\u003c\/p\u003e\n\u003cp data-start=\"2157\" data-end=\"2202\"\u003e\u003cstrong data-start=\"2157\" data-end=\"2175\"\u003eDelivery Time:\u003c\/strong\u003e 3–7 days internationally\u003c\/p\u003e","brand":"CBT Auto Parts","offers":[{"title":"Default Title","offer_id":48037951897842,"sku":"1601452883553","price":684.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/0406\/2450\/files\/Hf9faeb6734334c8481619811330d49bf3.webp?v=1760242662"}],"url":"https:\/\/cbtautoparts.com\/collections\/def-pumps.oembed","provider":"CBT Auto Parts","version":"1.0","type":"link"}