Diesel Exhaust Fluid (DEF) Systems
diesel exhaust fluid (def) systems โ pre-owned
Browse 3,453 diesel exhaust fluid (def) systems โ pre-owned on eBay โ listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

OEM GENUINE VOLVO MACK 24V DEF UREA PUMP 21577507
The OEM Genuine Volvo Mack 24V DEF Urea Pump 21577507 is a high-quality replacement part designed specifically for Volvo Mack trucks. Made by Bosch, a trusted brand in automotive parts, this DEF pump ensures efficient and reliable performance. With a manufacturer part number of 21577507, this product is guaranteed to fit and function as intended, providing peace of mind for commercial truck owners and operators. While it does not come with a warranty, the genuine quality of the part guarantees long-lasting durability and functionality.

2024 Freightliner DEF Doser Pump Metering Device (A0001407539) *2727*
Donor Vehicle: 2024 Freightliner Cascadia 126 (Color: White) (Mileage: 303k Miles). Pump Contains Chipped Top Cover. WE ARE HERE TO HELP RESOVE ANY PROBLEM.
You save $15.00

Replaces A0001405578 FREIGHTLINER CASCADIA 125 DEF PUMP 3637878
The product is a DEF Pump for a Freightliner Cascadia 125 with an OEM part number of A0001405578. It is designed for a Detroit DD13 engine and comes with a warranty. The manufacturer part number is 2385740, and it is suitable for the year 2017. This miscellaneous brand DEF Pump is a reliable replacement part for commercial trucks, ensuring proper function of the diesel exhaust fluid system.

A0001407778 FREIGHTLINER CASCADIA DEF PUMP 3844451
The A0001407778 Freightliner Cascadia DEF Pump 3844451 is a high-quality replacement part for commercial trucks. This OEM part is manufactured by Freightliner and comes with a warranty. It is designed specifically for DEF pumps and is compatible with the Freightliner Cascadia model. The part number A0001407778 and manufacturer part number 2561052 ensure a perfect fit for your vehicle. Upgrade your truck with this reliable and durable DEF pump to keep your vehicle running smoothly on the road.

2024 Freightliner Cascadia 126 DEF Header Sending Unit (04-33656-000) *2715*
WE ARE HERE TO HELP RESOVE ANY PROBLEM.
You save $6.00

2021 Aftertreatment Part 5418122 for Cummins ISX15 (539-11226)
All major Credit Cards are accepted. Decomposition Reactor.

Replaces 35054102 2017 KENWORTH T680 DEF SENDING UNIT/LEVEL SENSOR , GA
'USED 2017 KENWORTH T680 DEF SENDING UNIT 35054102 **WIRES CUT**'.

2019 Aftertreatment Part 5418122 for Cummins X15 (539-11235)
All major Credit Cards are accepted. Decomposition Reactor.

21063597 P05 MACK MP8 Aftertreatment Control Module ACM OEM TEMIC
Comes as shown, working. May require programming to work in your vehicle. Please confirm interchange using part numbers shown. Comes with a 60 day warranty. Fast and free priority shipping, so you get your parts sooner!!

2017-2022 F250 F350 6.7L TANK MOUNTED DSL EXHAUST FLUID DEF PUMP HC345J229AE
6.7, HC345J229AE. C Grade - The third level quality part. B Grade - The second level quality part. It is of average miles and normal condition for its age. A Grade - The highest quality part. It is of low miles and/or exceptional condition for its age.

2014 Volvo / Mack VN/VNL DEF Tank
DEF TANK WITH SENSORS FOR VOLVO- MACK HEAVY DUTY TRUCKS

Genuine OEM International 5012175R91 Navistar Remanufactured DEF Tank QLS Sensor
Remanufactured DEF Tank QLS Sensor. Changed your mind and don't want the item anymore?. No problem.

ACM Aftertreatment Control Module OEM : P/N A0004461554/005 Tested Works
Aftertreatment Control Module (ACM) - OEM : P/N A0004461554 /005 removed from running truck that was wrecked.

2019 PETERBILT 579 PACCAR DEF Coolant Loop Sending Unit 350602 *1972*
Part: PACCAR DEF Coolant Loop Sending Unit 350602. Donor Truck: 2019 PETERBILT 579 (COLOR:RED) (569K MILES). WE ARE HERE TO HELP RESOVE ANY PROBLEM.
You save $14.00

84K MILES Cummins & Paccar OEM DEF Doser Injector A050S599 4377650 NEXT DAY SHIP
Clean tested low mileage unit, Next day shipping at buyers expense - what you see is what you get. No returns, warranty, or refunds due to return fraud.

2022 Kenworth T680 OEM Cummins Doser Pump Assembly (5509448 A063W687) *2743*
Donor Vehicle: 2022 Kenworth T680 (Color: Blue) (Mileage: 461K Miles). WE ARE HERE TO HELP RESOVE ANY PROBLEM.
You save $22.50

International Durastar (4300) Electronic DPF Control Module 7085804C1 0281020256
International Durastar (4300) Electronic DPF Control Module 7085804C1 0281020256. Condition is Used. Shipped with USPS Ground Advantage.
You save $10.00

5012173R91 INTERNATIONAL DEF TANK QLS SSI SENSOR 12-GAL 4163693C91 4097724C91
REMAN INTERNATIONAL DEF SENSOR, PART #5012173R91. REPLACES4254214C91, 2515988C1, 2515988C2, 2515988C3, 4163693C91.

USED 2012 HINO 268 DEF Tank BRACKETS SHIPPED MOUTNING BRACKETS LOS ANGELES
THIS IS THE MOUNTING BRACKET SETUP for the DEF (BLUE CAP) TANK. BRACKETS ONLY. NOT THE TANK. THE MOUNTING BRACKETS can be seen, inspected and picked up from our facility as well. VIN 5PVNJ8JT4C4S53376 AUTOFOX RECYCLERS LANCASTER CALIFORNIA 93535.
You save $71.36

PETERBILT KENWORTH - DEF Tank Heater M31-6013
Take-off from 2019 Kenworth. Paccar DEF Urea Tank Coolant Loop Heater Assembly. - All parts are sold as-is. - Most parts are used take-offs, unless otherwise noted.

2018 Aftertreatment Part 4394737 for Cummins X15 (539-11335)
All major Credit Cards are accepted. Outlet Module.

International Def Tank QLS Sensor Automotive Replacement 4163694C91 Unit
Item is used. Unsure if working. Bi-State Sales.

Western Star Def Pump Like Brand New Was On My Truck One Month
def pump like brand new purchased at Freightliner dealer had it in the truck for 1 month don't need it anymore

Replaces 2014 PETERBILT 388 DEF TANK , OH
''.
You save $51.20

Replaces 2021 INTERNATIONAL MV DEF TANK , OH
''.
You save $51.20

2018 Aftertreatment Part 4394855 for Cummins X15 (539-11332)
All major Credit Cards are accepted. Inlet/DOC Module.

SCR/DEF Injector BMW M57 X5 35d E70/E90 335d
SCR injector with line.

Untested International Durastar (4300) Electronic DPF Control Module 7085804C1

2020 Kenworth T680 DEF Header Sensor (350602) *2715*
Part: 2020 Kenworth T680 DEF Header Sensor (350602). Donor Vehicle: 2020 Kenworth T680 (Color: White) (Mileage: 460K Miles). WE ARE HERE TO HELP RESOVE ANY PROBLEM.
You save $12.50

LIEBHERR OEM DEF INJECTOR DOSER 10144093 | GOOD USED CLEANED OUT & TESTED
The LIEBHERR OEM DEF Injector Doser 10144093 is a quality commercial truck part designed for diesel exhaust fluid (DEF) systems. This product has been thoroughly cleaned, tested, and is in good used condition, ensuring optimal performance. With the trusted LIEBHERR brand behind it, you can rely on this injector doser to efficiently deliver DEF to your vehicle's fuel delivery system. Sold as is with pictures provided has no waranty! Selling cheap for a fast sell.

2023 Freightliner Cascadia DEF Pump Header Assembly (A0001407778) 7k Miles *2665
WE ARE HERE TO HELP RESOVE ANY PROBLEM.
You save $20.00

2024 Freightliner Cascadia 126 DEF Doser Pump (A0001409678) *2711*
DEF Pump Contains Cracked Top Cover, But Should Still Be Functional. WE ARE HERE TO HELP RESOVE ANY PROBLEM.
You save $15.00

2016 Aftertreatment Part 2510787C91 for Caterpillar CT13 (539-11337)
Inlet/DOC Module.

2019 Aftertreatment Part A6804914194 for Detroit Diesel DD15 (539-10668)
DPF FIlter.

Replaces N/A 2018 INTERNATIONAL LT DEF TANK , WA
'182299-821 - Used DEF Tank from a 2018 International LT '.
You save $73.05

A028Y792 Prostar DEF Exhaust Fluid Pump (11499532
X15,A028Y792,,PROSTAR,TIN. Labor and costs associated with part installation are not covered under warranty. We apologize for any inconvenience this may cause and appreciate your understanding. FREIGHT ORDERS.

Genuine Volvo VNL DEF Tank 70L / 18.5 Gal Assembly OEM 21839998 Made in USA
Manufacturer Part Number: 21839998. For sale is an original (OEM) DEF tank assembly removed from a Volvo VNL. This tank is in good used condition and is designed to hold Diesel Exhaust Fluid (AdBlue) for your truck's SCR emissions system.

2018-2024 FREIGHTLINER CASCADIA 14.8L DD15 DEF TANK RESERVOIR W/ PUMP OEM
ENGINE: 14.8L I6 DIESEL (DD15) 400 HORSEPOWER. DONOR VEHICLE: 2018 FREIGHTLINER CASCADIA. AAM PARTS! 5- JUST DO NOT LIKE IT. 4- SPARE PARTS NOT FIT;. 3- FIND THE BEST PRICE;. 2- CHANGE MY MIND;. 1- ORDERED BY MISTAKE;.
You save $100.80

Replaces 2012 PETERBILT 367 DEF TANK , CO
'PASSANGER SIDE DEF TANK 2012 367 PETE '.
You save $51.20

Freightliner DEF Pump. ECOFIT # A 000 140 77 78, A055T282 Exhaust Doser Pump
The Freightliner DEF Pump, with the manufacturer part number A 000 140 77 78, is a crucial component in the commercial truck's air intake and fuel delivery system. This ECOFIT A055T282 Exhaust Doser Pump is designed to efficiently dispense Diesel Exhaust Fluid (DEF) to reduce emissions. With no warranty available, it is important for truck owners and mechanics to understand that the performance and longevity of this product may be solely based on the manufacturer's quality and reliability.