{"product_id":"533-2738-genuine-cat®-diesel-exhaust-fluid-pump-24v","title":"533-2738 | Genuine Cat® Diesel Exhaust Fluid Pump 24V","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e: Diesel Exhaust Fluid Pump 24V\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e: New\u003cbr\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e: Cat®\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 533-2738\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp\u003ePart number is utilized across various Tier 4 Final \/ Stage V Caterpillar® machines and industrial engine platforms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCaterpillar® Excavators:\u003c\/b\u003e 320, 323, 326, 330, 335, 336, 349, 352 series.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCaterpillar® Wheel Loaders:\u003c\/b\u003e 950M, 962M, 966M, 972M, 980M, 982M.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCaterpillar® Track-Type Tractors (Dozers):\u003c\/b\u003e D5, D6, D6T, D7, D8T.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCaterpillar® Articulated Dump Trucks:\u003c\/b\u003e 725, 730, 735, 740, 745.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCat® Industrial Engines:\u003c\/b\u003e C4.4, C7.1, C9.3, C9.3B, C13, C15 ACERT Tier 4 Final \/ Stage V emissions configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eDiesel Exhaust Fluid (DEF) Dosing Pump 24V\u003c\/b\u003e is an OEM emissions control component engineered for Caterpillar® heavy equipment and industrial engines using Selective Catalytic Reduction (SCR) technology.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp\u003e\u003cb\u003e1. What is it?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003ePart is a 24-volt electrical supply pump that pressurizes and delivers Diesel Exhaust Fluid (AdBlue®) from the storage tank to the SCR dosing injector located in the exhaust stream. It ensures precise fluid metering required to break down harmful nitrogen oxide (\u003cspan class=\"math-inline\"\u003e$\\text{NO}_x$\u003c\/span\u003e) emissions into harmless nitrogen gas and water vapor.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Core Functions \u0026amp; Technical Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrecision Pressure Delivery:\u003c\/b\u003e Maintains stable system pressure to ensure fine, consistent DEF atomization at the injector nozzle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIntegrated Freeze Protection:\u003c\/b\u003e Equipped with internal heating elements that melt frozen DEF in cold ambient conditions to protect internal diaphragms and maintain system readiness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePurge \/ Back-Sucking Cycle:\u003c\/b\u003e Reverses fluid flow upon engine shutdown to drain residual DEF from the lines and injector, preventing chemical crystallization and ice expansion damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e24V Heavy-Duty Electrical Design:\u003c\/b\u003e Built to withstand harsh machine vibrations, dirt, and operating environments typical of construction, mining, and forestry job sites.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of Faulty\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp\u003e\u003cb\u003e1. Active Diagnostic Fault Codes \u0026amp; Warning Lights\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e Check Engine Light (CEL), Emissions Warning Icon, or active Diagnostic Trouble Codes (DTCs) displayed on the Cat® Advisor \/ Messenger display.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCommon Fault Codes:\u003c\/b\u003e Low DEF pressure \/ delivery flow, DEF pressure supply circuit open\/short, or SCR system pressure building timeout.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e2. Engine Horsepower \u0026amp; Speed Derate (Limp Mode)\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e Severe reduction in engine output power or machine operating speed, eventually progressing to a 100% power derate or idle-only lock out.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e EPA regulations force the Engine Control Module (ECM) to derate the engine when the SCR system cannot dose DEF fluid to control \u003cspan class=\"math-inline\"\u003e$\\text{NO}_x$\u003c\/span\u003e emissions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e3. Inability to Build or Maintain DEF Pressure\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e The pump motor runs continuously without priming, or the pump shuts down shortly after startup due to insufficient pressure build-up.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e Clogged internal DEF filter screen, worn pump diaphragm\/piston seals, or crystallized urea buildup blocking internal passageways.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e4. Failure During Cold-Weather Operation\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e SCR system fault triggers only when operating in sub-zero ambient temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e Internal 24V DEF heater element failure, preventing frozen fluid inside the pump housing from thawing out.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e5. Failure of the Post-Shutdown Purge Cycle\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e No audible reverse suction\/purge pump noise after key-off, leading to lines freezing or clogging with dried white urea crystals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e Damaged reversing valve, blown fuse\/relay, or internal pump motor control board failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer information\u003c\/strong\u003e\u003cbr\u003eWhen it comes to construction vehicles and equipment, no other brand is more highly respected than Caterpillar®. For over 95 years, Caterpillar has been the leading manufacturer of construction and mining vehicles and components. Its catalog is among the largest in the world, with more than 1.4 million parts in stock ranging from excavator attachments to air-conditioning kits. Each component is designed, manufactured, and assembled according to strict specifications to ensure reliable performance in rugged operating conditions and long-lasting service life. For customers with tighter budgets, Caterpiller also offers remanufactured parts for the drivetrain, air suspension, hydraulics, and other major systems that have the same degree of quality but at a more affordable cost.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003cbr\u003eFirst Truck Parts offers a \u003cstrong\u003e365-days warranty\u003c\/strong\u003e for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.\u003c\/p\u003e","brand":"Cat®","offers":[{"title":"Default Title","offer_id":49204577632500,"sku":"533-2738","price":670.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/1479\/5764\/files\/s-l1600_54_bca5fb76-8d3c-4b27-857e-ff602f863daf-Photoroom.jpg?v=1787083278","url":"https:\/\/firsttruckparts.com\/products\/533-2738-genuine-cat%c2%ae-diesel-exhaust-fluid-pump-24v","provider":"First Truck Parts","version":"1.0","type":"link"}