Best Air Intake Heater Relays

Looking for the best air intake heater relays? We’ve curated a list of 10 top options to keep your truck running smoothly and hassle-free.

Cold starts and engine troubles can ruin your day. But with the right air intake heater relay, you can keep your truck running smoothly. We’ve found the best options to help you avoid these issues.

These relays are built to last and fit perfectly in your vehicle. They’re easy to install and work like a charm. You’ll love how they keep your engine running strong.

Save time, save money, and drive with confidence. Let’s find the perfect relay for your truck.

List of Top 10 Air Intake Heater Relays

Title	Best For	Price
EATAKWARD 68188401AA Intake Manifold Heater Relay, Air Intake Relay, Replacement for Dodge for Ram 2500 3500 Pickup 1994-2002 5.9L Diesel Grid Sturdy Wear-Resistance 56026842 904-308	This EATAKWARD 68188401AA Intake Manifold Heater Relay is perfect for Dodge RAM 2500 and 3500 owners with 5.9L diesel engines from 1994 to 2002. It’s ideal for those facing cold start issues or needing a reliable replacement for their old relay.	View on Amazon (paid link)
Dorman 904-300 Intake Heater Relay	This Dorman 904-300 Intake Heater Relay is perfect for anyone who needs a reliable replacement for their vehicle’s damaged or worn-out relay. It’s easy to install and built to last, making it ideal for car owners looking for quality and performance.	View on Amazon (paid link)
Dorman 904-356 Intake Heater Relay	This Dorman 904-356 Intake Heater Relay is perfect for anyone needing a reliable replacement for their vehicle’s damaged or worn-out relay. It’s easy to install and built to last, ensuring your engine runs smoothly.	View on Amazon (paid link)
X AUTOHAUX Air Intake Heater Relay 68188401AA for Dodge for Ram 2500 3500	This part is perfect for Dodge Ram 2500 and 3500 owners who want to fix cold start problems fast. It is great for older diesel trucks that need a simple and reliable replacement.	View on Amazon (paid link)
Dorman 904-308 Intake Heater Relay	This Dorman 904-308 Intake Heater Relay is perfect for vehicle owners who need a reliable replacement for a damaged or worn-out relay. It’s easy to install and built to last, ensuring your vehicle runs smoothly.	View on Amazon (paid link)
Premium Relay Solenoid AIR Intake Heater Grid for Dodge RAM 2500 3500 Cummins Diesel 5.9	This Premium Relay Solenoid AIR Intake Heater Grid is perfect for Dodge RAM 2500 3500 owners with a Cummins Diesel 5.9 engine. It’s ideal for 1994-2002 models needing a reliable replacement part.	View on Amazon (paid link)
DVPARTS New Air Intake Heater Relay 904-300 5187880AC 56029173AB for Dodge RAM 2500 Pickup 2007-2010 Multi-Function Relay RY-1779	This DVPARTS Air Intake Heater Relay is perfect for Dodge RAM 2500 Pickup owners from 2007 to 2010. It’s a reliable replacement with a 12-month warranty and high-quality performance.	View on Amazon (paid link)
Air Intake Intake Heater Relay 904-300 Compatible with Do-dge R-am 2500 3500 4500 5187880AC 56029173AB	This intake heater relay is perfect for Dodge Ram truck owners needing a direct-fit replacement to fix cold weather starting issues. It is the ideal plug-and-play solution for anyone wanting a quick and reliable engine fix.	View on Amazon (paid link)
uxcell Air Intake Heater Relay No.5187880AC/56029173AB for Dodge for Ram 2500 2008-2010 L6 5.9L/6.7L Turbo Diesel	This air intake heater relay is perfect for Dodge and Ram owners with 2008-2014 turbo diesel models. It’s ideal for those needing a reliable replacement to fix cold start issues or heater errors.	View on Amazon (paid link)
Solarhome Engine Air Intake Heater Relay for Dodge Ram 2500 3500 Pickup	This Solarhome Engine Air Intake Heater Relay is perfect for Dodge Ram 2500 and 3500 pickup owners. It’s a direct replacement that fits perfectly and includes everything you need for a smooth install.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Air Intake Heater Relays handpicked for reliability and performance. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your vehicle. Whether you prioritize durability, ease of installation, or affordability, this guide simplifies your choice and boosts your confidence.

1. EATAKWARD 68188401AA Intake Manifold Heater Relay, Air Intake Relay, Replacement for Dodge for Ram 2500 3500 Pickup 1994-2002 5.9L Diesel Grid Sturdy Wear-Resistance 56026842 904-308

EATAKWARD 68188401AA Intake Manifold Heater Relay, Air Intake Relay, Replacement for Dodge for Ram 2500 3500 Pickup 1994-2002 5.9L Diesel Grid Sturdy Wear-Resistance 56026842 904-308

Get a reliable replacement relay built to OE quality standards for your truck. This direct fit part ensures a quick and easy installation for you.

It is designed to solve cold start issues and keep your engine running smooth. This heavy-duty relay is made for the Dodge Ram 2500 and 3500 diesel trucks.

Each order includes one sturdy heater relay to get your truck back on the road. You will love how simple the bolt-on install is. Just check your vehicle model before ordering.

Pros	Cons
Premium OE quality ensures long-lasting performance. Perfect fit for easy installation. Fixes cold start issues fast. Compatible with Dodge Ram diesel trucks. Solves heater errors for reliable starts.	Limited to specific Dodge models and engine types. No included installation tools or hardware. Requires compatibility check before purchase.

Perfect For:

This EATAKWARD 68188401AA Intake Manifold Heater Relay is perfect for Dodge RAM 2500 and 3500 owners with 5.9L diesel engines from 1994 to 2002. It’s ideal for those facing cold start issues or needing a reliable replacement for their old relay.

Ready to Purchase?

View Price on Amazon (paid link)

2. Dorman 904-300 Intake Heater Relay

The Dorman 904-300 Intake Heater Relay is a direct replacement for your vehicle’s original relay. It matches the fit and function of the factory part, ensuring a reliable solution for damaged or worn-out relays.

This relay is built to last, using quality components for durable performance. It’s backed by a team of experts with over a century of automotive experience. Ensure a perfect fit by checking your vehicle’s make, model, and trim.

Pros	Cons
Direct fit for specified vehicles, ensuring easy installation. Reliable replacement for damaged or worn-out relays. Durable construction for long-lasting performance. Trusted quality backed by automotive experts.	Not universal – may not fit all vehicle makes and models. No DIY kit – installation requires additional tools or expertise. Single part – doesn’t include related components for a full repair.

Perfect For:

This Dorman 904-300 Intake Heater Relay is perfect for anyone who needs a reliable replacement for their vehicle’s damaged or worn-out relay. It’s easy to install and built to last, making it ideal for car owners looking for quality and performance.

Ready to Purchase?

View Price on Amazon (paid link)

3. Dorman 904-356 Intake Heater Relay

The Dorman 904-356 Intake Heater Relay is a direct replacement for your vehicle’s original relay. It is designed to match the fit and function of the original part.

This relay is an ideal solution for a damaged or failed original part. It is made from quality components to ensure reliable performance. The durable construction ensures a long service life.

You can trust the quality of this product, backed by a team of experts in the United States. With over a century of automotive experience, you can be confident in your purchase. To ensure the perfect fit, simply input your vehicle’s make, model, and trim level into the garage tool.

Pros	Cons
Direct fit for specified vehicles, ensuring hassle-free installation. Reliable replacement for damaged or worn-out relays. Durable construction guarantees long-lasting performance. Trusted quality backed by automotive experts.	Needs exact vehicle info to guarantee a perfect fit. Only replaces the part, does not solve root causes. Compatibility is limited to specific vehicle models.

Perfect For:

This Dorman 904-356 Intake Heater Relay is perfect for anyone needing a reliable replacement for their vehicle’s damaged or worn-out relay. It’s easy to install and built to last, ensuring your engine runs smoothly.

Ready to Purchase?

View Price on Amazon (paid link)

4. X AUTOHAUX Air Intake Heater Relay 68188401AA for Dodge for Ram 2500 3500

The X AUTOHAUX Air Intake Heater Relay is a direct replacement for your vehicle. It fits Dodge RAM 2500 3500 models with 5.9L L6 Diesel engines. This part works for 1994 to 2002 models.

It uses reliable components to meet original standards. The relay is designed to last in extreme conditions. It helps avoid cold start problems and other issues.

Check your car make, model, and year before buying. Also, verify the OE number and part pictures. This ensures the relay fits your vehicle perfectly.

Pros	Cons
Reliable components ensure long-lasting performance in extreme conditions. Direct replacement fixes cold start problems and heater errors. Meets original standards for perfect fit and function. Prolongs service life of your Dodge or RAM vehicle.	Limited vehicle fitment only. Check OE number before buying. Installation might be tricky for some.

Perfect For:

This part is perfect for Dodge Ram 2500 and 3500 owners who want to fix cold start problems fast. It is great for older diesel trucks that need a simple and reliable replacement.

Ready to Purchase?

View Price on Amazon (paid link)

5. Dorman 904-308 Intake Heater Relay

The Dorman 904-308 Intake Heater Relay is a direct replacement for your vehicle’s original relay. It’s designed to fit perfectly and work just like the factory part. This relay is ideal for fixing issues caused by a damaged or worn-out original.

Made with quality components, this relay is built to last. Its durable construction ensures reliable performance over time. You can trust it to keep your engine’s air intake heater working smoothly.

Backed by over a century of automotive expertise, this relay is quality you can trust. Use the garage tool to ensure it fits your vehicle before buying.

Pros	Cons
Direct fit for specified vehicles, no hassle installation. Reliable replacement for damaged or worn-out relays. Durable build ensures long-lasting performance. Trusted quality backed by automotive experts.	Not universal – may not fit all vehicle makes and models. No installation tools – requires separate purchase for setup. Limited warranty – check terms for coverage details.

Perfect For:

This Dorman 904-308 Intake Heater Relay is perfect for vehicle owners who need a reliable replacement for a damaged or worn-out relay. It’s easy to install and built to last, ensuring your vehicle runs smoothly.

Ready to Purchase?

View Price on Amazon (paid link)

6. Premium Relay Solenoid AIR Intake Heater Grid for Dodge RAM 2500 3500 Cummins Diesel 5.9

Get the premium relay solenoid for your diesel truck. This top quality part meets all OEM standards. It is 100% tested for a reliable ride.

It is a perfect fit for your Dodge RAM 2500. Enjoy an easy replacement and get back on the road.

Pros	Cons
Premium quality meets strict OEM standards. Easy replacement matches many part numbers. Perfect fit for your Dodge Ram diesel truck. 100% tested for reliable, worry-free use. Package includes the needed relay solenoid heater.	Limited compatibility for older truck models. Requires careful part number verification. Single unit package only.

Perfect For:

This Premium Relay Solenoid AIR Intake Heater Grid is perfect for Dodge RAM 2500 3500 owners with a Cummins Diesel 5.9 engine. It’s ideal for 1994-2002 models needing a reliable replacement part.

Ready to Purchase?

View Price on Amazon (paid link)

7. DVPARTS New Air Intake Heater Relay 904-300 5187880AC 56029173AB for Dodge RAM 2500 Pickup 2007-2010 Multi-Function Relay RY-1779

The DVPARTS New Air Intake Heater Relay is a reliable replacement part for your vehicle. It fits Dodge RAM 2500 Pickup models from 2007 to 2010.

This relay has the part number 904-300 5187880AC 56029173AB RY-1779. It is easy to install and works well. The 12-month warranty gives you peace of mind.

You get high-quality performance with this relay. It ensures your vehicle runs smoothly. Good service is part of the package.

Pros	Cons
Perfect fit for Dodge RAM 2500 (2007-2010). 12-month warranty ensures peace of mind. High-quality part for reliable performance. Easy installation saves time and effort.	Limited vehicle compatibility – only fits specific Dodge RAM models. No installation instructions included – may require professional help. Warranty duration is just 12 months – shorter than some competitors.

Perfect For:

This DVPARTS Air Intake Heater Relay is perfect for Dodge RAM 2500 Pickup owners from 2007 to 2010. It’s a reliable replacement with a 12-month warranty and high-quality performance.

Ready to Purchase?

View Price on Amazon (paid link)

8. Air Intake Intake Heater Relay 904-300 Compatible with Do-dge R-am 2500 3500 4500 5187880AC 56029173AB

The Air Intake Heater Relay 904-300 is a direct replacement for select Do-dge R-am models. It fits 2500, 3500, 4500, and 5500 trucks with Turbo Diesel engines. This part ensures proper fitment and function.

It controls the intake heater system for smooth cold weather starting. The plug-and-play design makes installation quick and easy.

Pros	Cons
Direct fit for select Dodge Ram models, no hassle. Plug-and-play design ensures easy, quick installation. Reliable performance in cold weather starting and engine operation. Meets original specs, works seamlessly with compatible vehicles.	Limited compatibility with only specific Dodge Ram models. No instructions included for installation, may need expert help. Not universal, won’t fit other vehicle makes or models.

Perfect For:

This intake heater relay is perfect for Dodge Ram truck owners needing a direct-fit replacement to fix cold weather starting issues. It is the ideal plug-and-play solution for anyone wanting a quick and reliable engine fix.

Ready to Purchase?

View Price on Amazon (paid link)

9. uxcell Air Intake Heater Relay No.5187880AC/56029173AB for Dodge for Ram 2500 2008-2010 L6 5.9L/6.7L Turbo Diesel

The uxcell Air Intake Heater Relay is a direct replacement for your vehicle. It fits Dodge Ram 2500, 3500, 4500, and 5500 models from 2008 to 2014. This relay works with 5.9L and 6.7L Turbo Diesel engines.

Using reliable components, this relay meets original standards. It is designed to match the old relay’s fit and function. This ensures longer service life and better performance.

The package includes one relay. Check your car make, model, year, and OE number before buying. Watch a relevant operation video if you need help with replacement.

Pros	Cons
Reliable parts ensure long-lasting performance in tough conditions. Direct replacement fixes cold start issues fast. Matches original standards for perfect fit and function. Easy installation with bolt-on design, no hassle.	Limited vehicle compatibility – not universal. No installation tools included – buy separately. Requires careful verification before purchase – check twice.

Perfect For:

This air intake heater relay is perfect for Dodge and Ram owners with 2008-2014 turbo diesel models. It’s ideal for those needing a reliable replacement to fix cold start issues or heater errors.

Ready to Purchase?

View Price on Amazon (paid link)

10. Solarhome Engine Air Intake Heater Relay for Dodge Ram 2500 3500 Pickup

This engine air intake heater relay is for your truck. It is a direct replacement for a proper fit. It works for the Dodge Ram 2500 and 3500.

The set includes two relays and a bracket. It replaces part numbers like 68188401AA and 904-308.

It is a simple fix for your engine relay system. You will get a reliable part that is easy to install.

Pros	Cons
Perfect fit for Dodge Ram 2500/3500 pickups. Direct replacement for easy installation. Includes two relays and a bracket for convenience. Replaces multiple part numbers for versatility.	No installation guide included, might need expert help. Limited compatibility with other vehicle models, check before buying. Bracket durability may vary, inspect upon arrival.

Perfect For:

This Solarhome Engine Air Intake Heater Relay is perfect for Dodge Ram 2500 and 3500 pickup owners. It’s a direct replacement that fits perfectly and includes everything you need for a smooth install.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Cold starts and engine troubles can ruin your day. A reliable air intake heater relay keeps your truck running smoothly.

Choosing the right air intake heater relay can save you time, money, and frustration. Here’s what to consider:

Vehicle Compatibility:
Make sure the relay fits your truck’s make, model, and year. Check the OE number and part pictures to avoid mistakes.
Quality and Durability:
Look for relays made with reliable components and built to last. OE quality standards ensure a long service life.
Ease of Installation:
Choose a relay that’s easy to install. Direct fit and plug-and-play designs save time and effort.
Performance:
Pick a relay that solves cold start issues and keeps your engine running strong. Heavy-duty options are great for tough conditions.
Warranty and Support:
A warranty gives peace of mind. Expert-backed products often come with reliable customer support.
Price and Value:
Compare prices to find the best value. A premium relay might cost more but offers better performance and longevity.

With these factors in mind, you’ll find the perfect air intake heater relay for your truck. Drive with confidence and enjoy a smoother ride!