Best DEF Pump Replacements: Top Picks for Diesel Trucks

Looking for the best DEF pump replacements for your diesel truck? We’ve tested and reviewed top-rated options to help you find the perfect fit for your Ram, Ford, Chevy, or GMC, ensuring easy installation and long-lasting performance.

Diesel Exhaust Fluid (DEF) pumps are crucial for keeping your diesel truck running cleanly and efficiently. A reliable DEF pump replacement ensures your vehicle meets emissions standards and avoids costly repairs.

We’ve tested and reviewed the best DEF pump replacements to help you find the perfect fit for your truck. Whether you drive a Ram, Ford, Chevy, or GMC, we’ve got you covered with top-rated options that are easy to install and built to last.

List of Top 10 DEF Pump Replacements

Image Title Best For Price
Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump Level Unit Module Kit 68192659AH Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump Level Unit Module Kit 68192659AH

This Flynsu DEF Pump is perfect for Dodge Ram owners with 2013-2018 2500, 3500, 4500, or 5500 models and a 6.7L Cummins diesel engine. It’s a reliable replacement for your DEF pump, meeting strict standards for diesel trucks.

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Dorman 904-383 Diesel Exhaust Fluid (DEF) Pump Compatible with Select Ram Models Dorman 904-383 Diesel Exhaust Fluid (DEF) Pump Compatible with Select Ram Models

This DEF pump is perfect for Ram pickup truck owners with diesel engines. It’s a reliable replacement to fix SCR system issues and meet emissions standards.

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Tykick 68085908AH DEF Pump Diesel Exhauset Fluid Pump/Heater Assembly for Ram 2500 3500 4500 5500 2013 2014 2015 2016 2017 2018 6.7L L6 Replaces#4077501AG,4077501AQ,68192659AA,68192659AH,7660148AE Tykick 68085908AH DEF Pump Diesel Exhauset Fluid Pump/Heater Assembly for Ram 2500 3500 4500 5500 2013 2014 2015 2016 2017 2018 6.7L L6 Replaces#4077501AG,4077501AQ,68192659AA,68192659AH,7660148AE

This DEF pump is perfect for Ram truck owners with 2013-2018 6.7L diesel engines. It’s a reliable replacement for worn-out parts, ensuring your truck runs smoothly.

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Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump 68192659AH Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump 68192659AH

This Flynsu DEF Pump is perfect for Dodge Ram owners with 2013-2018 2500, 3500, 4500, or 5500 models and a 6.7L Cummins diesel engine. It’s a direct replacement for a faulty DEF pump, keeping your truck running smoothly.

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DEF Diesel Exhaust Fluid Pump Replacement for Chevy Silverado GMC Sierra 2500 3500 HD 6.6L 6599cc 2017-2019 Float Sensor 84545446 84162467 84416299 23230395 84162464 DEF Diesel Exhaust Fluid Pump Replacement for Chevy Silverado GMC Sierra 2500 3500 HD 6.6L 6599cc 2017-2019 Float Sensor 84545446 84162467 84416299 23230395 84162464

This DEF Diesel Exhaust Fluid Pump Replacement is perfect for Chevy Silverado and GMC Sierra owners with 2500 or 3500 HD models from 2017 to 2019. It’s ideal if your float sensor needs fixing.

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GM Genuine Parts 84526247 Diesel Exhaust Fluid (DEF) Supply Pump Module Kit GM Genuine Parts 84526247 Diesel Exhaust Fluid (DEF) Supply Pump Module Kit

This GM Genuine Parts DEF Supply Pump Module Kit is perfect for owners of Chevrolet, Buick, GMC, or Cadillac vehicles who need a reliable and high-quality replacement part. It’s designed by GM engineers to fit your vehicle perfectly.

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ArmorBlue TD1 Core Pump for Diesel Exhaust Fluid (DEF) | 6+ Gallons per Minute | 115v | Tote and Drum Compatible | DEF Pump | DEF Pump Replacement ArmorBlue TD1 Core Pump for Diesel Exhaust Fluid (DEF) | 6+ Gallons per Minute | 115v | Tote and Drum Compatible | DEF Pump | DEF Pump Replacement

The ArmorBlue TD1 Core Pump is perfect for anyone who needs a reliable and efficient way to transfer Diesel Exhaust Fluid (DEF). It’s ideal for tote and drum use, works great in shops, fleets, or farms, and saves time with its fast flow rate and auto shutoff feature.

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HC3Z-5J229-B DEF Pump Assembly Replacement for Ford F150 3.0L Diesel 2018-2021 & F250 F350 F450 F550 6.7L Powerstroke 2017-2022, Exact Fit, Plug & Play HC3Z-5J229-B DEF Pump Assembly Replacement for Ford F150 3.0L Diesel 2018-2021 & F250 F350 F450 F550 6.7L Powerstroke 2017-2022, Exact Fit, Plug & Play

This DEF pump assembly is perfect for Ford truck owners who need a reliable, plug-and-play replacement. It’s designed for easy installation and works seamlessly with Ford F150, F250, F350, F450, and F550 models.

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Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump & Injector Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump Level Unit Module Kit Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump & Injector Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump Level Unit Module Kit

This Flynsu DEF Pump & Injector is perfect for Dodge Ram owners with 2013-2018 2500, 3500, 4500, or 5500 models and a 6.7L Cummins diesel engine. It’s a direct replacement for your worn-out DEF pump or injector, keeping your truck running smoothly.

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Lamerto D-EF Diesel Exhaust Fluid Pump Urea Pump 904369 Replacement for Ford F250 F350 F450 F550 Super Duty 2011-2016#BC3Z-5L227-K BC3Z-5L229-L BC3Z-5J229-L 904-369 Lamerto D-EF Diesel Exhaust Fluid Pump Urea Pump 904369 Replacement for Ford F250 F350 F450 F550 Super Duty 2011-2016#BC3Z-5L227-K BC3Z-5L229-L BC3Z-5J229-L 904-369

This DEF pump is perfect for Ford Super Duty owners with 2011-2016 F-250, F-350, F-450, or F-550 models. It’s also great for Ford Transit owners with 2015-2018 models.

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Detailed Reviews

Discover the top 10 DEF Pump Replacements for your diesel truck, handpicked for reliability and performance. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best value. Whether you need a direct fit, easy installation, or long-lasting durability, this guide has you covered. Find the perfect match for your vehicle and drive with confidence.

1. Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump Level Unit Module Kit 68192659AH

Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump Level Unit Module Kit 68192659AH

The Flynsu 68085908AH DEF Pump is a direct replacement for your 2013-2018 Dodge Ram truck. It fits 2500, 3500, 4500, and 5500 models with a 6.7L engine.

This urea pump level unit works with 6.7 Cummins diesel engines. It meets strict standards for diesel trucks, ensuring reliable performance.

Easy to install, durable, and cost-effective. A great choice for your Ram’s DEF system.

Pros Cons
  • Fits perfectly with 2013-2018 Dodge Ram models.
  • Easy replacement for your diesel exhaust fluid pump.
  • Meets strict standards for reliable diesel truck performance.
  • Durable build ensures long-lasting, trouble-free use.
  • Restores pump function for smooth engine operation.
  • Hard to fix on your own.
  • Fit may not be exact.
  • Some parts can break fast.

Perfect For:

This Flynsu DEF Pump is perfect for Dodge Ram owners with 2013-2018 2500, 3500, 4500, or 5500 models and a 6.7L Cummins diesel engine. It’s a reliable replacement for your DEF pump, meeting strict standards for diesel trucks.

Ready to Purchase?

2. Dorman 904-383 Diesel Exhaust Fluid (DEF) Pump Compatible with Select Ram Models

Dorman 904-383 Diesel Exhaust Fluid (DEF) Pump Compatible with Select Ram Models

The Dorman 904-383 DEF Pump is a direct replacement for select Ram models. It’s designed to match the original pump’s performance. This pump helps restore proper operation of your truck’s SCR system.

It’s rigorously tested to ensure reliable performance. The pump meets emissions standards and is backed by experts. Ensure fit by checking your vehicle details before purchase.

Pros Cons
  • Direct replacement matches original pump performance perfectly.
  • Proven performance restores SCR system operation reliably.
  • Critical for emissions compliance and truck function.
  • Trusted quality backed by US experts and experience.
  • Easy fit check with vehicle verification tool.
  • May require professional installation for best results
  • Limited to select Ram models only
  • Additional fit verification needed for some vehicles

Perfect For:

This DEF pump is perfect for Ram pickup truck owners with diesel engines. It’s a reliable replacement to fix SCR system issues and meet emissions standards.

Ready to Purchase?

3. Tykick 68085908AH DEF Pump Diesel Exhauset Fluid Pump/Heater Assembly for Ram 2500 3500 4500 5500 2013 2014 2015 2016 2017 2018 6.7L L6 Replaces#4077501AG,4077501AQ,68192659AA,68192659AH,7660148AE

Tykick 68085908AH DEF Pump Diesel Exhauset Fluid Pump/Heater Assembly for Ram 2500 3500 4500 5500 2013 2014 2015 2016 2017 2018 6.7L L6 Replaces#4077501AG,4077501AQ,68192659AA,68192659AH,7660148AE

The Tykick 68085908AH DEF Pump is a diesel exhaust fluid pump/heater assembly designed for Ram trucks. It fits 2500, 3500, 4500, and 5500 models from 2013 to 2018 with a 6.7L L6 diesel engine.

This part replaces multiple OEM numbers, ensuring a perfect fit for your vehicle. Always verify compatibility before buying to avoid issues.

Enjoy 6-month after-sales support for defects under normal use. Contact us for replacement eligibility if needed.

Pros Cons
  • Fits Ram 2500 to 5500 Diesel trucks.
  • Replaces many old part numbers with ease.
  • New pump and heater in one kit.
  • Six months of help after you buy.
  • Check the fit to save time and money.
  • Limited 6-month support for defects, may not cover long-term issues.
  • Compatibility check required, risky if not verified before purchase.
  • No installation instructions provided, could cause confusion.

Perfect For:

This DEF pump is perfect for Ram truck owners with 2013-2018 6.7L diesel engines. It’s a reliable replacement for worn-out parts, ensuring your truck runs smoothly.

Ready to Purchase?

4. Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump 68192659AH

Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump 68192659AH

The Flynsu 68085908AH DEF Pump is a direct replacement for 2013-2018 Dodge Ram trucks with 6.7L Cummins engines. It ensures your vehicle’s diesel exhaust fluid system works smoothly.

This urea pump module kit includes O-rings and fits Ram 2500, 3500, 4500, and 5500 models. It’s easy to install and built to last.

Pros Cons
  • Fast and easy to install in your truck.
  • Get a perfect fit for your Ram diesel.
  • Save money with this low cost part.
  • Fix your pump to stop the leaks now.
  • Keep your big truck on the road.
  • Not for gasoline engines, only diesel.
  • No installation tools or instructions included.
  • Limited compatibility with older or newer models.

Perfect For:

This Flynsu DEF Pump is perfect for Dodge Ram owners with 2013-2018 2500, 3500, 4500, or 5500 models and a 6.7L Cummins diesel engine. It’s a direct replacement for a faulty DEF pump, keeping your truck running smoothly.

Ready to Purchase?

5. DEF Diesel Exhaust Fluid Pump Replacement for Chevy Silverado GMC Sierra 2500 3500 HD 6.6L 6599cc 2017-2019 Float Sensor 84545446 84162467 84416299 23230395 84162464

DEF Diesel Exhaust Fluid Pump Replacement for Chevy Silverado GMC Sierra 2500 3500 HD 6.6L 6599cc 2017-2019 Float Sensor 84545446 84162467 84416299 23230395 84162464

This DEF pump fits your truck. It works for 2017 to 2019 models. The part stops leaks fast.

It has a new sensor. This part saves time and money.

Pros Cons
  • Exact fit for Chevy Silverado and GMC Sierra 2500/3500 HD.
  • OE/OEM part numbers match for easy replacement.
  • Durable design ensures long-lasting performance.
  • Float sensor included for accurate fluid level monitoring.
  • Limited Compatibility: Only fits specific Chevy/GMC models and years.
  • No Installation Guide: DIYers may struggle without clear instructions.
  • Float Sensor Only: Doesn’t include other pump components.

Perfect For:

This DEF Diesel Exhaust Fluid Pump Replacement is perfect for Chevy Silverado and GMC Sierra owners with 2500 or 3500 HD models from 2017 to 2019. It’s ideal if your float sensor needs fixing.

Ready to Purchase?

6. GM Genuine Parts 84526247 Diesel Exhaust Fluid (DEF) Supply Pump Module Kit

GM Genuine Parts 84526247 Diesel Exhaust Fluid (DEF) Supply Pump Module Kit

The GM Genuine Parts 84526247 Diesel Exhaust Fluid (DEF) Supply Pump Module Kit is a reliable replacement part for your vehicle. It ensures your diesel exhaust system works smoothly. Trust this kit for long-lasting performance.

Some parts may have been ACDelco GM Original Equipment (OE) before. GM engineers design and test these parts for your specific vehicle. They use updated materials and technology for better results.

This kit is backed by General Motors, so you know it’s high-quality. It fits Chevrolet, Buick, GMC, and Cadillac vehicles perfectly. Choose this kit for peace of mind on the road.

Pros Cons
  • Real GM parts fit your truck perfectly.
  • GM experts made this kit for your car.
  • Tested hard to make sure it lasts long.
  • New designs use the best and latest tools.
  • GM backs this part so you can trust it.
  • It is expensive to buy.
  • A pro must fit it.
  • Fits GM cars only.

Perfect For:

This GM Genuine Parts DEF Supply Pump Module Kit is perfect for owners of Chevrolet, Buick, GMC, or Cadillac vehicles who need a reliable and high-quality replacement part. It’s designed by GM engineers to fit your vehicle perfectly.

Ready to Purchase?

7. ArmorBlue TD1 Core Pump for Diesel Exhaust Fluid (DEF) | 6+ Gallons per Minute | 115v | Tote and Drum Compatible | DEF Pump | DEF Pump Replacement

ArmorBlue TD1 Core Pump for Diesel Exhaust Fluid (DEF) | 6+ Gallons per Minute | 115v | Tote and Drum Compatible | DEF Pump | DEF Pump Replacement

The ArmorBlue TD1 Core Pump is built for Diesel Exhaust Fluid (DEF). It works with totes and drums, making it versatile for different setups. This pump is reliable and easy to use.

It has a 6+ gallons per minute flow rate, so it moves fluid quickly. The 115V pump is powerful yet efficient, saving time and effort.

With self-priming and 3/4″ straight barb connections, it’s ready to use right away. The 5-min auto power shutoff adds safety and peace of mind.

Pros Cons
  • Powerful 115V pump delivers 6+ gallons per minute effortlessly.
  • Self-priming design ensures quick, hassle-free operation.
  • Auto shutoff after 5 minutes saves energy and prevents overuse.
  • Tote and drum compatible for versatile DEF handling.
  • 115V only; not for all power setups
  • Barb fittings may need extra hose parts
  • Auto shutoff can stop work too soon

Perfect For:

The ArmorBlue TD1 Core Pump is perfect for anyone who needs a reliable and efficient way to transfer Diesel Exhaust Fluid (DEF). It’s ideal for tote and drum use, works great in shops, fleets, or farms, and saves time with its fast flow rate and auto shutoff feature.

Ready to Purchase?

8. HC3Z-5J229-B DEF Pump Assembly Replacement for Ford F150 3.0L Diesel 2018-2021 & F250 F350 F450 F550 6.7L Powerstroke 2017-2022, Exact Fit, Plug & Play

HC3Z-5J229-B DEF Pump Assembly Replacement for Ford F150 3.0L Diesel 2018-2021 & F250 F350 F450 F550 6.7L Powerstroke 2017-2022, Exact Fit, Plug & Play

The HC3Z-5J229-B DEF Pump Assembly is a perfect fit for specific Ford trucks. It works with F150 3.0L diesel (2018–2021) and F250 to F550 6.7L Powerstroke (2017–2022). Always check your engine type and OEM part number before buying.

This pump restores DEF system performance and clears warning messages. It’s plug-and-play, so no wiring changes are needed. Cold-weather tested for reliable use in low temperatures.

It replaces multiple OEM part numbers and meets factory standards. Easy to install with factory-style connectors. A dependable choice for long-term use.

Pros Cons
  • Direct fit for your Ford truck.
  • Restores DEF system for smooth engine performance.
  • Plug-and-play for easy, no-hassle installation.
  • Cold-weather tested for reliable operation in winter.
  • OEM-compatible for long-lasting, trusted quality.
  • Requires system reset after installation to clear warnings
  • Fits only specific Ford diesel models (limited compatibility)
  • May need professional help for proper installation

Perfect For:

This DEF pump assembly is perfect for Ford truck owners who need a reliable, plug-and-play replacement. It’s designed for easy installation and works seamlessly with Ford F150, F250, F350, F450, and F550 models.

Ready to Purchase?

9. Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump & Injector Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump Level Unit Module Kit

Flynsu 68085908AH Diesel Exhaust Fluid DEF Pump & Injector Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Urea Pump Level Unit Module Kit

The Flynsu DEF Pump helps keep your 6.7L Ram diesel running right. It is made for 2013-2018 Ram 2500, 3500, 4500, and 5500 models. It is a direct replacement part.

This kit includes the DEF pump and DEF injector. It fits many part numbers for easy match-up.

It is built for clean fit and simple install. It helps support your diesel exhaust fluid system.

Pros Cons
  • Easy fit for many Ram 6.7 Diesel models.
  • Direct replacement for key OEM part numbers.
  • Complete kit with pump and injector.
  • Built for diesel DEF system repair.
  • Wide model match for 2500 to 5500 trucks.
  • Fit may vary by model year.
  • Install can be hard without tools.
  • Price may be high for some buyers.

Perfect For:

This Flynsu DEF Pump & Injector is perfect for Dodge Ram owners with 2013-2018 2500, 3500, 4500, or 5500 models and a 6.7L Cummins diesel engine. It’s a direct replacement for your worn-out DEF pump or injector, keeping your truck running smoothly.

Ready to Purchase?

10. Lamerto D-EF Diesel Exhaust Fluid Pump Urea Pump 904369 Replacement for Ford F250 F350 F450 F550 Super Duty 2011-2016#BC3Z-5L227-K BC3Z-5L229-L BC3Z-5J229-L 904-369

Lamerto D-EF Diesel Exhaust Fluid Pump Urea Pump 904369 Replacement for Ford F250 F350 F450 F550 Super Duty 2011-2016#BC3Z-5L227-K BC3Z-5L229-L BC3Z-5J229-L 904-369

The Lamerto D-EF Diesel Exhaust Fluid Pump is a replacement part for many Ford Super Duty trucks. It helps move DEF fluid so the SCR system can work well and cut nitrogen oxide in diesel exhaust.

It fits many Ford F-250, F-350, F-450, F-550, and Transit models. It matches key OEM part numbers and is made for a simple, direct fit.

Pros Cons
  • Reduces harmful emissions, keeping your vehicle eco-friendly.
  • Direct fit for Ford Super Duty and Transit models.
  • Fixes speed limiter and power issues quickly.
  • Easy to locate and install, saving you time.
  • No universal fitcheck compatibility before buying.
  • Requires careful installationnot a quick fix.
  • DEF fluid onlyno lubricants allowed.

Perfect For:

This DEF pump is perfect for Ford Super Duty owners with 2011-2016 F-250, F-350, F-450, or F-550 models. It’s also great for Ford Transit owners with 2015-2018 models.

Ready to Purchase?

Buying Guide

Need a new DEF pump? We’ve got you covered. Our guide helps you find the best DEF pump replacement for your truck. Keep your vehicle clean, efficient, and emissions-compliant with our top picks.

Buying a DEF Pump Replacement: What to Consider

  • Compatibility:
    Make sure the pump fits your truck’s make, model, and engine type. Check OEM part numbers to avoid mistakes.

  • Ease of Installation:
    Look for plug-and-play options or kits with clear instructions. Save time and hassle with easy-to-install parts.

  • Durability:
    Choose a pump built to last with high-quality materials. Avoid frequent replacements and costly repairs.

  • Performance:
    Ensure the pump meets emissions standards and works well in all conditions, including cold weather.

  • Warranty and Support:
    Opt for pumps with warranties or after-sales support. Get peace of mind with replacement guarantees.

  • Price:
    Balance cost with quality. A reliable pump saves money in the long run by avoiding breakdowns.

  • Brand Reputation:
    Trust well-known brands with positive reviews. They often offer better reliability and performance.