Paccar def pump module The warranty applies only to buyers who have placed an order on our website. Built for compatibility with modern engines, the filter supports optimized DEF delivery and meets OEM View and Download Paccar Kenworth T680 2019 manual online. PACCAR DEF Doser is failed. 365-Days Warranty on all Paccar products. Paccar products are presented on the truck market in the 5-8 class segment under the brands Kenworth, Peterbilt, DAF, Leyland and Foden. What could be the issue? Fault Code 5867 (Aftertreatment Diesel Exhaust Fluid Dosing Unit Relay Feedback - Voltage Below Normal or Shorted to Low Source) often leading to unnecessary replacement of OEM diesel exhaust fluid (DEF) pump relay or other components. Shop durable Peterbilt 579 aftertreatment truck parts for semi trucks, big rigs, and heavy duty commercial vehicles. This document provides an electrical circuit diagram for a PACCAR MX-13 engine. This short guide will help you remove it safely. Nov 22, 2022 · i was a tech at gm. 🕖 We work 24/7 with our customers all over the world. Looking for the OEM Paccar Engine Module-Doser-DEF Fluid 2050811PRX? Find it and many more Paccar Engine parts at the lowest prices at Big Rig World! Best offers A050s599 Gasket Cummins/Paccar DEF Dosing Pump Injector - Replacement Urea Nozzle Module (Fits 4377650, 5578983) Def Injector Inspect the control module: The control module is responsible for activating the relay that powers the DEF pump. PACCAR Genuine Parts Installed on DAF, Kenworth, and Peterbilt products around the world, PACCAR Genuine Parts include battery, starter, and alternator components for the PACCAR Charge Start System, as well as genuine PACCAR Filtration products designed exclusively for PACCAR The Cummins Doser Fluid Supply Module is essential for managing diesel exhaust fluid (DEF) flow in selective catalytic reduction (SCR) systems, ensuring reduced emissions and optimal engine performance. DEF Pump - Big Rig World carries Genuine OEM and Aftermarket brand parts to repair your vehicle at the lowest prices. I 2023 PETERBILT 579 CUMMINS DEF DOSER FLUID SUPPLY MODULE 5509448 Hydrocarbon doser/in-cylinder dosing Single module canister/compact twin canister (DPF, DEF doser, and SCR) Filtered/treated exhaust Diesel Exhaust Fluid (DEF) tank There are two type of canisters to comply with EPA emissions (single module canister) and with CARB emissions (compact twin canister). When a part fails — like a DEF pump, NOx sensor, or header assembly — the system logs the failure and may put the engine into limp mode or derate to stay within EPA regulations. The most trusted online retailer for trucking equipment and accessories. A division of the automaking giant Volvo Group, Volvo Trucks offers complete transport solutions for a wide range of industries, with manufacturing facilities across Dec 19, 2022 · This sensor should be inside the DEF tank as it has 3 jobs to do. Premium quality, fast shipping, and in stock. Although I focus on Paccar power this also affects Kenworth Cummins power. Drive Type: 6X4. Tried one more time and now the pump isn't priming. Engine: 12. PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates. MX13 engines often face DEF pump pressure drops and injector clogging related to DEF system issues. Paccar 2208766 / 2208766PRX DEF Doser Pump, exceptional value without sacrificing quality, fitment, or performance. Nov 13, 2025 · Browse new and used Diesel Exhaust Fluid (DEF) Pumps For Sale near you. First Truck Parts: This is An Online Store For Heavy Truck Parts. PACCAR Parts is a division of PACCAR. Paccar Engine, Exhaust Filter-Def, Def Doser Module | 2014774PE from Peterbilt Parts. Find new and used Peterbilt 579 DEF Pumps for sale in stock near you with fast delivery. I have DAVIE 4 and can't seem to find anything on the PACCAR portal that suggests anything that seems to fix this issue. The diagrams show the pin connections for components including injector solenoid valves for each cylinder, engine brake solenoid valves for each cylinder, and Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Unit with Fault Codes 3558 and 3559 Warranty Statement The information in this document has no effect on present warranty coverage or repair practices, nor does it authorize TRP or Campaign actions. I received these codes: 1) P3856 sensor, DEF temperature/level 2) P3890 pump module (L074) temperature signal unlikely during cold start 3) P3893 pump module (L074) heater temperature signal. Find DPF, DOC, sensors & clamps with fast shipping and free warranty coverage. Avoid costly downtime with expert tips from AftertreatmentParts. Cab Type: CONVENTIONAL CAB. 2 Condition: New Brand: Paccar Part Number: 2050811Prx, 2050811 Manufacturer information With more than a million of their trucks on the road today, Volvo Trucks® is among the world’s trusted names in medium to heavy duty trucks. On every key cycle, the sensors and actuators in the DEF dosing system perform a self-check for proper operation. This can lead to engine codes vehicle/equipmentwithoutDiesel ificationsprovidedortooperatethe immediately. Jul 16, 2017 · Both have new DEF pumps installed (w/ filter). EAS-3 has been replaced by me and the DEF injector by To ensure the correct DEF is used, PACCAR Inc recommends the use of TRP® CleanBlue Diesel Exhaust Fluid, which is available in different quantity options from small to bulk containers. Paccar 2122909PE FILTER KIT-DEF PUMP, EPA1 Order now for same-day shipping on eligible purchases from FinditParts. 🛡️ Only genuine parts with a 365-Days warranty. com FREE DELIVERY possible on eligible purchases New OEM Cummins and Paccar DEF Doser without Air Assist. It includes diagrams of connectors A, B, and C and pin labels for injectors, solenoids, sensors and the PCI ECU. There is a 1 year unlimited warranty on this part. 00 Jun 5, 2025 · Modern diesel engines use sensors, control modules, and DEF dosing units to monitor emissions in real-time. Paccar Authorized Dealer PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF How Can I Resolve Persistent P3844 Code on My 2015 Peterbilt 587 After Replacing DEF and SCR Doser Valves? We will show you how to replace the DEF Dosing Valve in your Kenworth or Peterbilt truck and save some CASH ! Easy DIY fix !Thanks for watching ! I truly app Def Pump / Dosing ModuleNEW Bosch stock replacement Case / New Holland def pump dosing module. NEW Cummins & Paccar Denoxtronic 2. The red light will blink in the DEF gauge and the trucks go into a DEF derate. Exact OE replacement without the high cost. Can hear pump running and building pressure but still a negaitve value. The diagrams show component names, part numbers, and color codes for tracing circuit connections. Check the pressure sensor readings via diagnostic tools to confirm accuracy. Made by Paccar, a trusted and reputable brand in the commercial truck industry, this filter kit is a must Diesel Exhaust Fluid (DEF) Injectors/Dosing Units are integral components of SCR systems & are instrumental in reducing harmful NOx emissions from diesel engines. Kenworth T680 2019 trucks pdf manual download. Founded in 1915 as the Pacific Car and Railway Company, PACCAR Inc grew from a small railway equipment supplier to one of the world's largest manufacturers of 2016 Peterbilt 579, ISX, Bosch DEF Pump Module, Doser Pump, Part # 2871879, A028Y792. In the event P3845 = Pump module reverting valve - Voltage too low or short circuit to ground on ECU (D374) pin (B34) P3846 = Pump module reverting valve - Short circuit to supply or open circuit on ECU (D374) pin (B34) May 9, 2025 · Learn the top 5 signs of DEF pump failure and how to fix them fast. Paccar 2115624Pe Def Pump P/N: 2208766pe, 5506956, 2115624, A06x234, 4388105, A052y, 2208766, 2115624pe, 4388105RX, 5506956RX, 5506956NX, 5506956CUM, CMI2520171C2 New Denoxtronic AdBlue DEF Pump for your non-air assisted Cummins & Paccar engines part number 0444042137, 044404229Z, 2871880, 4387305. May 17, 2025 · The Cummins DEF Dosing Unit is a crucial component for the proper functioning of the engine. This reset function can be used after repair of the emission aftertreatment system. It efficiently removes contaminants from diesel exhaust fluid before it reaches the pump, helping protect system components and ensuring reliable emissions performance. 2 AdBlue DEF Pump 24 Volt w/ Check Valve | 0444042137, 044404229Z, 2871880, 4387305 | Cummins / Paccar EPA10 Freedom Emissions Paccar mx13 reads -14. It plays a significant role in reducing NOx emissions by injecting DEF fluid into the exhaust system. View all 12 18-wheeler DEF Pumps. Ensure optimal emissions control and compliance for your Cummins or Paccar diesel engine with this brand-new OEM DEF doser. This diesel exhaust fluid (DEF) pump matches the fit and function of the original part. Start by inspecting the DEF filter for debris and replace if dirty. including 579, 386, 384, 337, and more. com, including Peterbilt DEF Pump models 579, 384, 386, 337, and more. Bosch Part # 0-444-042-003. Find new and used Peterbilt DEF Pumps for sale in stock near you with fast delivery. I used my access to PACCAR service diagnostic information to troubleshoot and determine failure of my Dosing Module. Learn about common PACCAR engine issues like fuel injector failures, turbocharger problems, and DEF system failures and how to resolve them effectively. Condition: New Brand: Paccar Part Number: 1831898Pex, 1831898 Manufacturer information With more than a million of their trucks on the road today, Volvo Trucks® is among the world’s trusted names in medium to heavy duty trucks. Low DEF pump pressure in the MX13 can stem from clogged filters, faulty pressure sensors, or pump wear. 99 Free shipping First Truck Parts: This is An Online Store For Heavy Truck Parts. This carries a one year warranty PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates. The EPA10 DEF pump module draws DEF from the tank and supplies pressurized DEF to the DEF metering unit located on the Aftertreatment Device (ATD). Made sure that the pump also purges. Action INFORMATION ONLY If the DEF Pump Module is found to be defective during diagnostics, use the procedures below to verify the fault before the DEF Pump Module is removed and replaced. Even after replacing the failed component, the ECM (Engine Control Module) doesn’t automatically There are two ground wires in the diesel exhaust fluid (DEF) Supply module wiring harness. com, America's online marketplace for heavy duty parts. The kit is designed to fit perfectly and function seamlessly with your Paccar engine, ensuring optimal performance and reliability. Jan 25, 2021 · Def Quality issue Paccar MX13 Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by CrimsonPatriot, Jan 25, 2021. Shop Kenworth T680 aftertreatment truck parts online at FleetRun. The DEF Pump is controlled by the After-Treatment Control Module (ACM). In many cases problems with the ATS system are caused by a faulty DEF injection system. If your truck is consuming excess DEF and showing white buildup on the stacks, it’s a sign of a failing DEF pump dosing module. Feb 6, 2023 · The nmn precision paccar def pump module does not use lubricants to prime o-rings or the pump itself, only uses def fluid. I have paccar mx13 2013 engine def problem in truck showing code p3857 and p3912 pls explain me what’s problem. Inspect the control module for any visible signs of damage or loose connections. Early in the process, professional body builders can often contribute This DEF pump filter is designed for use in Selective Catalytic Reduction (SCR) systems on heavy-duty diesel engines. Did a regen made sure the DEF pump primed and began dosing. To ensure the correct DEF is used, PACCAR Inc recommends the use of TRP® CleanBlue Diesel Exhaust Fluid which is available in different quantity options from small to bulk containers. New def pump for your Cummins & Paccar non-air assisted engines. Kenworth T880 Aftertreatment Truck Parts In our aftertreatment and emissions parts category for Kenworth T880 with Paccar MX13, Cummins ISX & Cummins X15 engines we deliver our own FleetRun NOx sensors DEF dosing modules aftertreatment fuel injectors AHI dosing modules & gasket kits DEF pumps DEF Filter Kits DPF kits and many more parts all to your door Our goal is to deliver truck parts with Shop the 2050811 DEF Pump for Paccar® engines. The DEF pump assembly is mounted to the bottom of the DEF tank, with most of the assembly submerged in DEF fluid. 9L I6 TURBO DIESEL PACCAR MX-13. When the truck is turned off, the ACM uses a temperature based delayed reverting/draining strategy to pump the DEF back into the tank. It monitors the following items-- tank level, tank temperature, and DEF quality. Did it twice and the fault stays on. Also for: Kenworth t880 2019. . Jun 6, 2024 · Buy 4395016 5506956 A060X234 JMROFRSAUS DAF Paccar DEF Adblue Dosing Pump Doser Pump for Cummins: Dosing Pumps - Amazon. View all 42 18-wheeler DEF Pumps. May 12, 2023 · Hey guys, been having trouble with P3968 fault on 1 Paccar. Paccar 2050811PRX DEF DOSING MODULE, 12V Order now for same-day shipping on eligible purchases from FinditParts. Find new and used Kenworth DEF Pumps for sale in stock near you with fast delivery. com FREE DELIVERY possible on eligible purchases Aug 25, 2025 · Part Number: 2122909PE. Customer: Hello, I have a 2011 Paccar MX engine in a truck at my shop. To ensure the correct DEF is used, PACCAR Inc recommends the use of TRP® CleanBlue Diesel Exhaust Fluid, which is available in different quantity options from small to bulk containers. **This module may also be referred to as a def pump, delivery module, urea injection pump, diesel exhaust fluid pump, dnox supply module, or denoxtronic supply module. Here is my quick procedure for removal and replacement. ReferencetheMate- (DEF)thatdoesnotmeetthespec- fluidisingested,contactaphysician lawfultouseaDieselExhaustFluid nally. Apr 13, 2014 · Def pressure/pump problem Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by kutuzov, Jun 29, 2017. Both aftertreatment harnesses on these trucks look good and ohm out fine. Use DAVIE4 to perform the “test DEF dosing valve” while applying 94 psi [ 650 kPa ] compressed air at the DEF pump module inlet and outlet connectors for 40 seconds each to dry DEF dosing unit. Designed as a plug-and-play replacement, this DEF pump has undergone extensive testing and is made of quality components for reliable service. they ran too many amps through the connector. 99 Free shipping Find many great new & used options and get the best deals for Paccar MX-13 EPA21 Def Pump Module 2290991pe at the best online prices at eBay! Free shipping for many products! Description: Denoxtronic DEF (Diesel Exhaust Fluid) Pump 12V, 2. The Peterbilt Medium Duty Body Builder Manual can be very useful when specifying a vehicle, particularly when the body builder is involved in the vehicle definition and ordering process. First Truck Parts: Huge range of heavy trucks parts from market leader Paccar. Brand: PACCAR Applications: DEF Pump Filter Kit PACCAR DEF PUMP FILTER KIT Can't find the part you need? Call us at 801-406-2026 for assistance. Find Diesel Exhaust Fluid (DEF) Pumps by Freightliner, Kenworth, International, Mack, and more on MyLittleSalesman. 2050811Prx Oem Paccar Def Pump Urea Call us at: +1 (252) 220-8829 $745. Stays at the Initiating stage. It includes a key for symbols used in the diagram and diagrams of connectors and pin connections for injectors, sensors, solenoids and the PCI ECU. Aug 14, 2025 · Model: KENWORTH T680. 5 psi on def pressure. Cross Reference: 4388378, 2122909, 1421089, A0001421089, 1421089, 0001421089, PE17002 KIT, UF106, U58/7 KIT, U58/9 KIT Aug 29, 2021 · The number of complete and incomplete after-run purges of the SCR/DEF pump module is stored in the EAS ECU. OE quality, durable, and functional – ensure emission compliance and efficient engine operation. Reliable 579 Peterbilt emissions components with fast shipping and warranty. 00 $1,035. Replace your bad def pump and restore your vehicle's driveability. 100 percent of the failures i seen was the burned/melted connector at pump. Information in this manual will help reduce overall costs through optimized integration of the body installation with vehicle selection. View all 17 18-wheeler DEF Pumps. com. Genuine Paccar® Def Pump | № 2208766, 2115624Description: Genuine Paccar Def Pump Condition: New Brand: Paccar® Part Number: 2208766 Other Oem Part Numbers That Will Work: 2208766, 2115624 Warranty First Truck Parts offers a 365 -days warranty for all types of parts and in any condition. if you just unplug the connector on the side of the frame it will reset the reductant control module which is ontop the def tank, and get rid of warning messages. Get the best deals on Kenworth Commercial Truck DEF Systems when you shop the largest online selection at eBay. This part carries a one year warranty. Dorman HD Solutions - 599-5956 : Remanufactured DEF Supply Module. If the relay is not receiving the signal to turn on, there could be an issue with the control module. Heavy Duty Body Builder. ** ***NOTICE*** This module will have to be programmed to the vehicle after Find new and used Kenworth T680 DEF Pumps for sale in stock near you with fast delivery. Mack Oct 10, 2025 · 2290991PE Genuine Paccar Module Doser Fluid Supply OEM-New $799. Designed for heavy-duty applications, it delivers precise DEF dosing, helping engines meet environmental regulations without sacrificing power or efficiency. Transmission: AUTOMATIC TRANSMISSION. Description: Exhaust System Def pump filter Condition: New Brand: Paccar® Part Number: 2122909pe Manufacturer information: Headquartered in Bellevue, WA, PACCAR® is a Fortune 500 company specializing in heavy duty commercial vehicles. Paccar 2208766 Diesel Exhaust Fluid (DEF) Pump - EPA17 Order now for same-day shipping on eligible purchases from FinditParts. This document provides an electrical wiring diagram for a PACCAR MX-13 engine and aftertreatment system. 2 AdBlue DEF Pump 24 Volt w/ Check Valve | 0444042137, 044404229Z, 2871880, 4387305 | Cummins / Paccar EPA10 Freedom Emissions To ensure the correct DEF is used, PACCAR Inc recommends the use of TRP® CleanBlue Diesel Exhaust Fluid which is available in different quantity options from small to bulk containers. All DEF Pumps sold with a 30 day “parts only†warranty. This Paccar DEF-PUMP FILTER KIT, with its manufacturer part number 2122909PE, is a reliable and efficient solution for your commercial truck's fuel system. DEF Pump Filter Kit. including T680, T800, T880, T440, and more. i did have luck just unplugging connector at pump and bending the pins to put tension on Sep 14, 2015 · 1. In this third Dr Paccar truck repair video I discuss the issue of failed 2016 to 2019 Kenworth DEF Quality sensors. Found a short on one of the wires leading to the EAS-3 module. Nov 8, 2024 · Buy kmdiesel 4377650 5578983 diesel exhaust fluid doser injector Dosing Pump DEF Injector Nozzle Urea Dosing Module Urea Metering Module Fits Cummins Paccar 4354281 5472967 5578983 4377650RX: Pumps - Amazon. Servicing the DEF pump will almost guarantee you encounter the fluid pump module. Hydrocarbon doser/in-cylinder dosing Single module canister/compact twin canister (DPF, DEF doser, and SCR) Filtered/treated exhaust Diesel Exhaust Fluid (DEF) tank There are two type of canisters to comply with EPA emissions (single module canister) and with CARB emissions (compact twin canister). Perform the DEF pump module override test as described in “Explanatory Notes to DAVIE' Does the amount of collected DEF meet the specifications displayed by DAVIE? Tamerx DEF Doser Injector 1819798PE for Paccar MX13 is built for 2008 – 2015 models. This unit is responsible for accurately dosing the DEF fluid into the engine to ensure Engine brakes activation during open driveline (Manual Only) (AE00001) 34 Decomposition Pipe Def Dosing Module, Injection Nozzle, And Harness Def Pump Module Diesel Exhaust Fluid (DEF) Dosing ECM Diesel Oxidation Catalyst (DOC) Diesel Particulate Filter (DPF) Assembly Fuel Lines (High Pressure): Pump To Rail PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates. Free shipping on many items | Browse your favorite brands | affordable prices. A green wire (GRN 3231) is the ground wire for the DEF pressure sensor ground return. Exact OE replacement for Paccar 2050811DEF pump, Paccar 2050811PRX DEF pump, and Paccar 2050811PEX DEF pump. Oct 29, 2025 · Browse used Peterbilt Diesel Exhaust Fluid (DEF) Pumps For Sale near you on MyLittleSalesman. View all 47 18-wheeler DEF Pumps. Intheeventthedieselexhaust SKU: 2122909PE Brand: PACCAR Applications: DEF Pump Filter Kit PACCAR DEF PUMP FILTER KIT Can't find the part you need? Call us at (435) 216-7812 for assistance. betdvl yabg ucfxuw lbr tszxc wrp xwfdqtqc ibvw oiaojm czskdh xgdx tczuay iqic iyzodu wduufq