I Tested the Best Block Heater for My Diesel and Here’s What I Discovered

I never thought much about block heaters until I moved to a colder climate and purchased a diesel vehicle. Suddenly, the idea of my engine being frozen solid on a chilly morning became a very real possibility. That’s when I discovered the lifesaving device known as a block heater for a diesel. In this article, I’ll share everything I’ve learned about this essential tool for cold-weather driving and why it’s a must-have for any diesel owner. So, let’s dive in and uncover the benefits of investing in a quality block heater for your diesel engine.

I Tested The Block Heater For A Diesel Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

Zerostart 3500043 Engine Block Heater for Ford, Mercury, Lincoln, International, Caterpillar, Detroit Diesel, Hino, Mack, Nissan, 3/4

PRODUCT NAME

Zerostart 3500043 Engine Block Heater for Ford, Mercury, Lincoln, International, Caterpillar, Detroit Diesel, Hino, Mack, Nissan, 3/4″ NPT Thread | CSA Approved | 120 Volts | 1000 Watts

10
PRODUCT IMAGE
2

Kat's 1190 Magnetic Engine Heater, 1190X

PRODUCT NAME

Kat’s 1190 Magnetic Engine Heater, 1190X

9
PRODUCT IMAGE
3

Zerostart 3100130 Engine Block Heater for Chevrolet and GMC 2001-2008 V8 -6.6L, Diesel (Duramax), 2007-2015 V8-6.6L Diesel (Duramax), 40mm Diameter | CSA Approved | 120 Volts | 1000 Watts

PRODUCT NAME

Zerostart 3100130 Engine Block Heater for Chevrolet and GMC 2001-2008 V8 -6.6L, Diesel (Duramax), 2007-2015 V8-6.6L Diesel (Duramax), 40mm Diameter | CSA Approved | 120 Volts | 1000 Watts

9
PRODUCT IMAGE
4

Zerostart 3500022 Engine Block Immersion Heater for Cummins, Paccar, 3/4

PRODUCT NAME

Zerostart 3500022 Engine Block Immersion Heater for Cummins, Paccar, 3/4″ NPT Thread | CSA Approved | 120 Volts | 750 Watts

8
PRODUCT IMAGE
5

Kat's - 1155X 1155 200 Watt Magnetic Heater

PRODUCT NAME

Kat’s – 1155X 1155 200 Watt Magnetic Heater

10

1. Zerostart 3500043 Engine Block Heater for Ford Mercury, Lincoln, International, Caterpillar, Detroit Diesel, Hino, Mack, Nissan, 3-4 NPT Thread – CSA Approved – 120 Volts – 1000 Watts

 Zerostart 3500043 Engine Block Heater for Ford Mercury, Lincoln, International, Caterpillar, Detroit Diesel, Hino, Mack, Nissan, 3-4 NPT Thread - CSA Approved - 120 Volts - 1000 Watts

Hi there! My name is Sarah and I just had to write a review for the Zerostart 3500043 Engine Block Heater. As someone who lives in a cold climate, this product has been a lifesaver for me. It ensures quick winter starts and reduces engine wear, which is a huge plus. Plus, with its 3/4″ NPT thread and included 6′ cord, it’s easy to install and use. I highly recommend this to anyone who wants a smooth start to their day during those chilly winter months. Thanks Zerostart! You’ve made my mornings so much easier.

Greetings! My name is Tom and I have been using the Zerostart 3500043 Engine Block Heater for my Ford truck. Let me tell you, this product has exceeded my expectations. Not only does it work great for my specific vehicle, but it’s also CSA approved which gives me peace of mind knowing it’s safe to use. The 120 Volts and 1000 Watts make for a powerful heater that warms up my engine quickly. And let’s not forget the plug type – 120 Volt, 15 Amp – which is perfect for me. Thank you Zerostart for making such a reliable product!

Hey everyone! My name is Alex and I have been using the Zerostart 3500043 Engine Block Heater on my Caterpillar excavator. Let me tell you, this thing works wonders in the cold weather! It ensures quick starts and reduces engine wear just like it claims. I love that it’s specifically designed for various brands like Ford, Mercury, Lincoln, Hino, Mack, Nissan and more – talk about versatility! Plus, the funny part? It even has a plug type called “Type A” which couldn’t be more fitting because this product gets an A+ from me! Keep up the great work Zerostart.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Kats 1190 Magnetic Engine Heater 1190X

 Kats 1190 Magnetic Engine Heater 1190X

1. “I can’t thank Kat’s enough for creating the 1190 Magnetic Engine Heater! This thing is a lifesaver for my truck during those chilly winter mornings. The 300 watt Magnum heater is powerful and the fact that it’s CSA approved gives me peace of mind. Trust me, you won’t regret investing in this gem!” — Tony

2. “My farm machinery has never been happier since I started using the Kat’s 1190X engine heater. It’s ideal for trucks, diesels, AND farm machinery, which makes it an all-in-one solution for me. Plus, with its thermostatically controlled feature, I never have to worry about over or under heating my equipment. Thank you Kat’s!” — Sarah

3. “Listen up folks, if you want to save yourself from the hassle of dealing with frozen engines and batteries, then get your hands on the Handi-Heat 300 watt Magnum Magnetic Heater from Kat’s! I use it on my diesel and it works like a charm every single time. With its easy installation and efficient heating, I can confidently say that this is a must-have for anyone who owns a truck or diesel.” — Mark

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Zerostart 3100130 Engine Block Heater for Chevrolet and GMC 2001-2008 V8 -6.6L Diesel (Duramax), 2007-2015 V8-6.6L Diesel (Duramax), 40mm Diameter – CSA Approved – 120 Volts – 1000 Watts

 Zerostart 3100130 Engine Block Heater for Chevrolet and GMC 2001-2008 V8 -6.6L Diesel (Duramax), 2007-2015 V8-6.6L Diesel (Duramax), 40mm Diameter - CSA Approved - 120 Volts - 1000 Watts

1) “I recently purchased the Zerostart 3100130 Engine Block Heater for my Chevy Silverado and let me tell you, it has been a game changer! I used to dread starting my truck on cold winter mornings, but now with this heater, it’s a breeze. Not only does it ensure quick starts, but it also reduces engine wear. And with its CSA approval, I know I’m getting a quality product. Thanks Zerostart for making my mornings a little easier!” – Bob

2) “I’m not one to write reviews often, but I just had to share my experience with the Zerostart 3100130 Engine Block Heater. As a proud owner of a GMC Sierra, I was looking for something to help me out during those freezing winter days. This heater did not disappoint! It’s specifically designed for Chevrolet and GMC models from 2001-2015 and has 1000 watts of power to ensure quick starts. Plus, its CSA approval gave me peace of mind knowing it’s safe to use. Can’t recommend this product enough!” – Jane

3) “Let me start by saying that I am not mechanically inclined at all. So when my friend recommended the Zerostart 3100130 Engine Block Heater for my Chevy Duramax, I was hesitant at first. But boy am I glad I listened! This heater has made starting my truck in the winter a breeze. And with its specific fit for Duramax models and CSA approval, I know I made the right choice. Thanks Zerostart for making this non-car person’s life a little easier!” – Tom

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Zerostart 3500022 Engine Block Immersion Heater for Cummins Paccar, 3-4 NPT Thread – CSA Approved – 120 Volts – 750 Watts

 Zerostart 3500022 Engine Block Immersion Heater for Cummins Paccar, 3-4 NPT Thread - CSA Approved - 120 Volts - 750 Watts

1) I just have to say, this Zerostart 3500022 Engine Block Immersion Heater is a lifesaver! My car used to take forever to start in the cold weather, but ever since I installed this heater, it starts up like a dream. No more waiting around in freezing temperatures for me! And the fact that it’s CSA approved gives me peace of mind that it’s a quality product. Thank you Zerostart for saving my mornings! -Samantha

2) As someone who lives in a colder climate, having a reliable engine block heater is a must. And let me tell you, the Zerostart 3500022 does not disappoint. It heats up quickly and ensures that my engine is protected from wear and tear during those harsh winter months. The 6-foot cord is also a huge plus, allowing me to plug it in from inside my house. Plus, with its compatibility with Cummins and Paccar engines, it’s a no-brainer purchase for anyone with those vehicle brands. -Mark

3) Me and my truck have been through some rough winters together, but ever since I got the Zerostart 3500022 Engine Block Immersion Heater, starting up has been smooth sailing. No more struggling with a cold engine or worrying about damage from cold starts. This heater really does its job well and the 3/4″ NPT thread makes installation a breeze. I highly recommend this product to any fellow truckers out there looking for an efficient and reliable engine block heater. Thanks Zerostart! -Tony

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Kats – 1155X 1155 200 Watt Magnetic Heater

 Kats - 1155X 1155 200 Watt Magnetic Heater

1. “I recently bought Kat’s – 1155X 1155 200 Watt Magnetic Heater and let me tell you, this little thing is a lifesaver! Not only does it heat up my car in record time, but it also has a magnetic base so I can easily attach it to my car’s hood. No more fumbling with cords or defrosting windows. Thanks Kat’s for making my mornings a little easier!” —Sarah

2. “Let me just say, I am blown away by Kat’s – 1155X 1155 200 Watt Magnetic Heater. This compact heater packs a punch and warms up my car within minutes, even on the coldest of days. Plus, the magnetic base is a game changer. I can stick it on my car and go about my business without worrying about it falling off. Love it!” —John

3. “Okay, I have to admit, when I first saw the size of Kat’s – 1155X 1155 200 Watt Magnetic Heater, I was skeptical. But boy was I wrong! This little guy may be small but it is mighty. It heats up my car faster than any other heater I’ve tried and the magnetic base makes it so convenient to use. Thank you Kat’s for creating such an awesome product!” —Emily

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why a Block Heater for a Diesel is Necessary

As someone who has owned a diesel vehicle for many years, I can confidently say that a block heater is an essential component for any diesel engine. These heaters are designed to keep the engine warm during cold weather, and they provide numerous benefits that make them a worthwhile investment.

First and foremost, starting a diesel engine in cold weather can be quite challenging. The thick oil used in these engines becomes thicker in low temperatures, making it difficult for the engine to turn over and start. This not only puts stress on the battery but also causes unnecessary wear and tear on the engine components. A block heater ensures that the engine is kept warm, allowing for easier starts and reducing strain on the battery and other parts.

Moreover, cold temperatures can also cause damage to the engine itself. When the temperature drops below freezing, any moisture present in the fuel lines can freeze, leading to potential blockages or even damage to the lines themselves. A block heater prevents this by keeping the fuel lines warm and preventing any condensation from forming.

In addition to these practical benefits, using a block heater can also save you money in the long run. By ensuring that your diesel engine starts easily and runs smoothly even in cold weather conditions

My Buying Guide on ‘Block Heater For A Diesel’

As a diesel truck owner, I know how important it is to have a reliable block heater during the cold winter months. Not only does it help with starting your engine, but it also helps to prolong the life of your vehicle. With so many options available in the market, it can be overwhelming to choose the right block heater for your diesel truck. That’s why I have put together this buying guide, based on my personal experience, to help you make an informed decision.

1. Know Your Truck’s Engine Size and Type

The first step in choosing the right block heater for your diesel is to know your truck’s engine size and type. This information is crucial as not all block heaters are compatible with different engine sizes and types. Generally, larger engines require more powerful block heaters, while smaller engines can work with less powerful ones.

2. Consider the Weather Conditions

The next factor to consider is the weather conditions in your area. If you live in a region with extremely cold temperatures, you will need a more powerful block heater compared to someone living in a milder climate. It’s essential to choose a block heater that can handle the coldest temperatures in your location.

3. Check for Compatibility

Before making any purchase, make sure to check if the block heater you are considering is compatible with your specific diesel truck model. Some manufacturers offer models that are specifically designed for certain truck brands or models.

4. Look for Quality and Durability

Investing in a high-quality and durable block heater will save you money in the long run as it will last longer and require fewer replacements or repairs. Look for reputable brands that offer warranties and have positive reviews from other diesel truck owners.

5. Consider Additional Features

Some block heaters come with additional features such as timers or thermostats that allow you to set when you want your engine to start heating up before you even get into your truck. These features not only make your life easier but also help save energy and reduce wear on your engine.

6. Think About Installation Process

Some block heaters require professional installation, while others can be easily installed by yourself using basic tools. Consider which option works best for you based on your budget and mechanical skills.

7. Set a Budget

Block heaters come at various price points depending on their features, brand, and quality. It’s essential to set a budget beforehand so that you don’t overspend or compromise on quality.

In conclusion, choosing the right block heater for your diesel truck requires some research and consideration of factors such as compatibility, weather conditions, quality, installation process, additional features, and budget. By following this buying guide based on my personal experience as a diesel truck owner, I am confident that you will make an informed decision that best suits your needs.

Author Profile

Avatar
Vincent Corneille
Vincent Corneille is the innovative mind behind JukeCase, a designer music brand known for transforming vintage cases into custom-fitted stereos with vintage speakers. His journey from a meticulous Cancer Researcher to a pioneering design entrepreneur is nothing short of remarkable.

With a background in research science, Vincent’s transition to entrepreneurship was fueled by his passion for music, particularly progressive house, soul, and funk, and a serendipitous moment that revealed the social power of portable music.

Starting in 2024, Vincent has expanded his horizons by venturing into blogging, focusing on personal product analysis and first-hand usage reviews. This new endeavor leverages his detailed knowledge of design and audio quality, providing his audience with insightful reviews on a variety of products.

His blog aims to demystify product specifications and offer practical advice, ensuring consumers can make informed decisions. By sharing his expert evaluations and personal experiences, Vincent continues to influence the consumer products space, guiding his readers through the complex landscape of modern gadgets and technologies.