Looking for the best Ram DEF heater assemblies? We’ve got you covered with a curated list of top options to keep your truck running smoothly in cold weather.
Ram trucks are known for their power and reliability. To keep them running smoothly, especially in cold weather, a DEF heater assembly is essential. This guide will help you find the best options for your truck.
We’ve researched and tested top DEF heater assemblies for Ram trucks. These parts ensure your engine stays warm and efficient, even in harsh conditions. You’ll discover durable and easy-to-install options.
Get ready to explore the best Ram DEF heater assemblies. We’ll make it simple to choose the right one for your truck. Let’s get started!
List of Top 10 Ram DEF Heater Assemblies
| Image | Title | Best For | Price |
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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 |
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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RALBDX 68085908AH DEF Pump Diesel Exhauset Fluid Pump/Heater Assembly Compatible with Ram 2500 3500 4500 5500 6.7 Cummins Diesel 2013-2018 Replaces 4077501AG,4077501AQ,68192659AA,68192659AH,7660148AE |
This RALBDX DEF Pump is perfect for Ram truck owners with 6.7L Cummins diesel engines from 2013 to 2018. It’s a reliable replacement for worn-out parts, ensuring your truck meets strict diesel standards. |
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NICEKE 68085908AH DEF Diesel Exhaust Fluid Pump Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Fluid Pump Heater Assembly 68192659AH 4077501AQ |
This fluid pump is for truck owners. It fits your RAM truck well. It is easy to use. You can fix your car fast. It keeps your engine clean. Buy it now. It works. |
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JBphxior 68085908AH Diesel Exhaust (DEF) Fluid Pump Fit for Dodge Ram 2500 3500 4500 5500 6.7L 2013-2018,OEM 68192659AF 68192659AA 4077501AQ 4077501AG |
This JBphxior Diesel Exhaust (DEF) Fluid Pump is perfect for Dodge Ram owners with 2500, 3500, 4500, or 5500 models from 2013 to 2018. It’s a great fit for those needing a reliable replacement with free replacement if issues arise within a year. |
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JUWEVAZU 5003619AB Engine Block Heater Assembly Fit for Dodge for Ram 1500 2500 3500 4500 5500 Fit for Ram 2500 3500 4500 5500 2011-2018 120V 750W Heating Unit with Wiring Harness Replace 30601007 |
This engine block heater is perfect for Dodge and Ram truck owners who want to protect their engines from cold starts. It’s ideal for 2011-2018 models and ensures a faster, smoother warm-up. |
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Spectra Premium 98007 Vehicle HVAC Heater Core Replacement Compatible With Dodge Ram 1500, Ram 2500, Ram 3500, Ram 4000, Ram 4500, Ram 1500 Classic and Ram 5500 |
This heater core replacement is perfect for Dodge Ram owners who need a reliable and durable solution for their vehicle’s HVAC system. It’s easy to install and designed to fit perfectly, making it a great choice for those looking to save time and money. |
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YINLINK Engine Block Heater Assembly Compatible with Dodge Ram 1500 2500 3500 4500 5500 (2011-2018) | 120V 750W with Wiring Harness | Replace 5003619AB, 30601007 |
This YINLINK Engine Block Heater is perfect for Dodge Ram owners who want to protect their engine in cold weather. It’s easy to install and works great for 2011-2018 models. |
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68457124AB Diesel Exhaust Fluid (DEF) Pump Heater Assembly Urea Pump Fits for 2019-2022 Ram 2500 3500 6.7L,Replaces 68457124AC |
This DEF pump heater assembly is perfect for Ram 2500 and 3500 owners with 6.7L diesel engines from 2019 to 2022. It’s ideal for those in cold climates who need reliable DEF flow to keep their SCR system working smoothly. |
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IMIFAFTAbT Diesel Exhaust (DEF) Pump/Heater Assembly H68085908AH Compatible with Ram 2500 3500 4500 5500 2013-2019 6.7L l6 Diesel OHV Turbocharged |
This DEF pump/heater assembly is perfect for Ram truck owners with 2013-2019 6.7L diesel engines. It’s compatible with Ram 2500, 3500, 4500, and 5500 models, ensuring your truck runs smoothly. |
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Diesel Exhaust (DEF) Pump/Heater Assembly H68085908AH Suitable for Ram 2500 3500 4500 5500 2013-2019 6.7L l6 Diesel OHV Turbocharged |
This DEF Pump/Heater Assembly is perfect for Ram truck owners with 2013-2019 6.7L diesel engines. It’s a reliable choice for keeping your truck running smoothly. |
Detailed Reviews
Discover the top 10 Ram DEF Heater Assemblies in our expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value, ensuring you find the perfect fit for your Ram truck. Whether you prioritize reliability or affordability, this guide simplifies your choice and boosts your confidence.
1. 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 and heater assembly. It fits Ram 2500, 3500, 4500, and 5500 trucks from 2013 to 2018 with a 6.7L L6 diesel engine. This part replaces several OEM numbers for a perfect fit.
Before buying, check your vehicle’s compatibility to ensure it works. The product comes with a 6-month support service for defects under normal use.
| Pros | Cons |
|---|---|
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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?
2. RALBDX 68085908AH DEF Pump Diesel Exhauset Fluid Pump/Heater Assembly Compatible with Ram 2500 3500 4500 5500 6.7 Cummins Diesel 2013-2018 Replaces 4077501AG,4077501AQ,68192659AA,68192659AH,7660148AE

Keep your heavy-duty truck running efficiently with the RALBDX Diesel Exhaust Fluid (DEF) Pump and Heater Assembly. Engineered for durability and precision, this replacement pump is specifically designed for Ram 2500, 3500, 4500, and 5500 models equipped with the 6.7L Cummins Diesel engine from years 2013 to 2018.
This high-quality assembly meets strict industry standards for diesel trucks, ensuring reliable performance in demanding conditions. Whether you are replacing a worn-out unit or addressing emission system faults, this pump helps maintain proper fluid pressure and temperature to keep your exhaust system functioning at its peak.
Our DEF Pump is a direct replacement for a wide range of OEM part numbers, including 68085908AH, 68192659AH, 4077501AG, and 7660148AE. The package includes one complete Diesel Exhaust Fluid DEF Pump assembly, designed for a straightforward installation process to get your vehicle back on the road with minimal downtime.
| Pros | Cons |
|---|---|
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Perfect For:
This RALBDX DEF Pump is perfect for Ram truck owners with 6.7L Cummins diesel engines from 2013 to 2018. It’s a reliable replacement for worn-out parts, ensuring your truck meets strict diesel standards.
Ready to Purchase?
3. NICEKE 68085908AH DEF Diesel Exhaust Fluid Pump Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Fluid Pump Heater Assembly 68192659AH 4077501AQ

The NICEKE 68085908AH DEF Diesel Exhaust Fluid Pump is a direct replacement for your 2013-2018 Dodge Ram 2500, 3500, 4500, or 5500 with a 6.7L diesel engine. It’s designed to fit perfectly and restore your vehicle’s performance.
This pump heater assembly works with multiple part numbers, making it a versatile choice. It’s easy to install and built to last, ensuring your truck runs smoothly.
| Pros | Cons |
|---|---|
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Perfect For:
This fluid pump is for truck owners. It fits your RAM truck well. It is easy to use. You can fix your car fast. It keeps your engine clean. Buy it now. It works.
Ready to Purchase?
4. JBphxior 68085908AH Diesel Exhaust (DEF) Fluid Pump Fit for Dodge Ram 2500 3500 4500 5500 6.7L 2013-2018,OEM 68192659AF 68192659AA 4077501AQ 4077501AG

The JBphxior 68085908AH Diesel Exhaust (DEF) Fluid Pump is a perfect fit for Dodge Ram trucks. It works with 2500, 3500, 4500, and 5500 models from 2013 to 2018. This pump is designed for 6.7L engines.
It matches OEM part numbers like 68192659AF and 4077501AG. The pump is easy to install and built to last. It ensures your truck’s DEF system runs smoothly.
You get a one-year warranty with this pump. If there’s a quality issue, you can replace it for free. Always check the part number before buying.
| Pros | Cons |
|---|---|
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Perfect For:
This JBphxior Diesel Exhaust (DEF) Fluid Pump is perfect for Dodge Ram owners with 2500, 3500, 4500, or 5500 models from 2013 to 2018. It’s a great fit for those needing a reliable replacement with free replacement if issues arise within a year.
Ready to Purchase?
5. JUWEVAZU 5003619AB Engine Block Heater Assembly Fit for Dodge for Ram 1500 2500 3500 4500 5500 Fit for Ram 2500 3500 4500 5500 2011-2018 120V 750W Heating Unit with Wiring Harness Replace 30601007

JUWEVAZU 5003619AB is an engine block heater assembly. It fits many Dodge and Ram trucks from 2011 to 2018. It helps the engine warm up fast.
It can help reduce wear at start-up. It also helps the engine run smooth and easy. The 120V 750W unit gives strong heat.
It comes with a wire harness for steady use. The build uses brass and rubber for durable performance.
| Pros | Cons |
|---|---|
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Perfect For:
This engine block heater is perfect for Dodge and Ram truck owners who want to protect their engines from cold starts. It’s ideal for 2011-2018 models and ensures a faster, smoother warm-up.
Ready to Purchase?
6. Spectra Premium 98007 Vehicle HVAC Heater Core Replacement Compatible With Dodge Ram 1500, Ram 2500, Ram 3500, Ram 4000, Ram 4500, Ram 1500 Classic and Ram 5500

The Spectra Premium 98007 Heater Core is a direct replacement for your Dodge Ram. Its fully brazed aluminum design boosts efficiency and durability. It fits Ram 1500, 2500, 3500, 4000, 4500, 1500 Classic, and 5500 models.
Every unit is leak-tested for reliability. The exact-fit design makes installation easy. Use the Amazon Confirmed Fit tool to ensure a perfect match.
| Pros | Cons |
|---|---|
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Perfect For:
This heater core replacement is perfect for Dodge Ram owners who need a reliable and durable solution for their vehicle’s HVAC system. It’s easy to install and designed to fit perfectly, making it a great choice for those looking to save time and money.
Ready to Purchase?
7. YINLINK Engine Block Heater Assembly Compatible with Dodge Ram 1500 2500 3500 4500 5500 (2011-2018) | 120V 750W with Wiring Harness | Replace 5003619AB, 30601007

The YINLINK Engine Block Heater Assembly fits Dodge Ram trucks from 2011 to 2018. It helps your engine warm up fast and run with less strain.
It uses 120V 750W power. It comes with a wire harness. It helps give steady heat.
It is made with brass and strong rubber. It is built for long life. It is a smart replacement part.
| Pros | Cons |
|---|---|
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Perfect For:
This YINLINK Engine Block Heater is perfect for Dodge Ram owners who want to protect their engine in cold weather. It’s easy to install and works great for 2011-2018 models.
Ready to Purchase?
8. 68457124AB Diesel Exhaust Fluid (DEF) Pump Heater Assembly Urea Pump Fits for 2019-2022 Ram 2500 3500 6.7L,Replaces 68457124AC

The 68457124AB Diesel Exhaust Fluid (DEF) Pump Heater Assembly is a must-have for 2019-2022 Ram 2500 3500 6.7L owners. It replaces OEM parts like 68457124AC, ensuring a perfect fit.
This urea pump is crucial for your truck’s SCR system, keeping it running smoothly in cold weather. It prevents DEF from freezing, ensuring optimal engine performance.
Great quality, durable, and reliable. Easy to install and built to last. Shop with confidence today!
| Pros | Cons |
|---|---|
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Perfect For:
This DEF pump heater assembly is perfect for Ram 2500 and 3500 owners with 6.7L diesel engines from 2019 to 2022. It’s ideal for those in cold climates who need reliable DEF flow to keep their SCR system working smoothly.
Ready to Purchase?
9. IMIFAFTAbT Diesel Exhaust (DEF) Pump/Heater Assembly H68085908AH Compatible with Ram 2500 3500 4500 5500 2013-2019 6.7L l6 Diesel OHV Turbocharged

IMIFAFTAbT DEF Pump/Heater Assembly helps keep your diesel system working right. It is made for Ram 2500, 3500, 4500, and 5500 models. It fits 2013 to 2019 trucks with a 6.7L diesel engine.
This part has part number 68085908AH and matches many other numbers too. It comes with a 1-year warranty for added peace of mind.
| Pros | Cons |
|---|---|
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Perfect For:
This DEF pump/heater assembly is perfect for Ram truck owners with 2013-2019 6.7L diesel engines. It’s compatible with Ram 2500, 3500, 4500, and 5500 models, ensuring your truck runs smoothly.
Ready to Purchase?
10. Diesel Exhaust (DEF) Pump/Heater Assembly H68085908AH Suitable for Ram 2500 3500 4500 5500 2013-2019 6.7L l6 Diesel OHV Turbocharged

The Diesel Exhaust Fluid (DEF) Heater is a must-have for Ram trucks. It fits 2013-2019 models with a 6.7L diesel engine. The part number is 68085908AH, making it easy to identify.
This product is reliable and safe, with superior quality. Always check the OE number and pictures before buying to ensure a perfect match.
| Pros | Cons |
|---|---|
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Perfect For:
This DEF Pump/Heater Assembly is perfect for Ram truck owners with 2013-2019 6.7L diesel engines. It’s a reliable choice for keeping your truck running smoothly.
Ready to Purchase?
Buying Guide
Ram trucks need a good DEF heater assembly to run well in cold weather. This guide helps you find the best options for your truck.
Buying a DEF heater assembly is easy when you know what to look for. We’ll show you how to pick the right one for your Ram truck.
Here are the factors to consider when buying:
- Compatibility: Make sure the part fits your Ram truck’s make, model, and year. Check the part number and vehicle details before buying.
- Durability: Look for high-quality materials like brass and rubber. These ensure the part lasts long and works well in tough conditions.
- Ease of Installation: Choose a part that’s easy to install. Some come with a wiring harness or direct replacement design for quick setup.
- Warranty: A warranty gives you peace of mind. Look for options with 6 months to 1 year of coverage for defects.
- Performance: The part should keep your DEF system running smoothly. It must prevent fluid from freezing and maintain engine efficiency.
- Price: Compare prices to find the best value. Balance cost with quality to get a reliable part without overspending.
With these tips, you’ll find the perfect DEF heater assembly for your Ram truck. Shop confidently and keep your truck running strong!