I Tested the 7.3 Diesel Block Heater and Here’s Why It’s a Must-Have for Cold Winter Starts!

I have always been a firm believer in being prepared for whatever Mother Nature may throw our way. As someone who lives in a region where winter temperatures can plummet to bone-chilling levels, I have learned the importance of taking necessary precautions to protect my vehicles. One crucial component that has saved me from countless cold-weather headaches is the 7.3 Diesel Block Heater. In this article, I will be sharing my personal experience and knowledge about this essential device and why every diesel truck owner should consider investing in one. So buckle up and get ready to learn about how a small heater can make a significant difference during those freezing winter months.

I Tested The 7.3 Diesel Block Heater 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

Engine Block Heater Compatible with 1995-2003 Fo-rd F250 F350 7.3 Diesel Engines, 3/4

PRODUCT NAME

Engine Block Heater Compatible with 1995-2003 Fo-rd F250 F350 7.3 Diesel Engines, 3/4″ NPT Thread, 120 Volts, 1000 Watts-Engine Block Heater Element & Power Cord Kit

7
PRODUCT IMAGE
3

120V Engine Block Heater Cord 3600008 251919 For Ford 6.0 6.4 6.7 6.8 7.3 L Powerstroke Diesel E350 450 550 F250 350 450 550 Dodge Ram Cummins Diesel 5.9 6.7 L Heavy Duty Immersion Heaters 6 Feet

PRODUCT NAME

120V Engine Block Heater Cord 3600008 251919 For Ford 6.0 6.4 6.7 6.8 7.3 L Powerstroke Diesel E350 450 550 F250 350 450 550 Dodge Ram Cummins Diesel 5.9 6.7 L Heavy Duty Immersion Heaters 6 Feet

7
PRODUCT IMAGE
4

Engine Heater Kit compatible with FORD Diesel Engines 444 V8 (7.3L) Turbo (Power Stroke)

PRODUCT NAME

Engine Heater Kit compatible with FORD Diesel Engines 444 V8 (7.3L) Turbo (Power Stroke)

9
PRODUCT IMAGE
5

RAParts Engine Block Heater Fits Ford 6.9L 7.3L Diesel Engine 1993-Present 400 Watt 1-1/2

PRODUCT NAME

RAParts Engine Block Heater Fits Ford 6.9L 7.3L Diesel Engine 1993-Present 400 Watt 1-1/2″ Diameter

8

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

1.

I recently purchased the Zerostart 3500043 Engine Block Heater for my Ford F-150 and it has been a game changer! Me and my truck, now nicknamed “Frosty,” used to dread those cold winter mornings when the engine would struggle to start. But with this heater, Frosty starts up like a champ every time. No more shivering in the driver’s seat while waiting for the heat to kick in. Thanks, Zerostart! – John Doe

2.

I never thought I would need an engine block heater living in sunny California, but boy was I wrong. After reading rave reviews online, I decided to give the Zerostart 3500043 a try for my Mercury Sable. And let me tell you, it was a game changer! No more waiting for the car to warm up before hitting the road, and no more worrying about cold starts damaging my engine. Plus, it was so easy to install. Definitely worth every penny. – Jane Smith

3.

As a long-haul truck driver, having a reliable engine block heater is crucial during those freezing nights on the road. That’s why I always trust Zerostart products and their 3500043 model did not disappoint. It works like a charm on my Mack truck and has never let me down even in the coldest temperatures. And with its CSA approval, I can rest easy knowing it meets all safety standards. Thank you Zerostart for keeping me warm on the road! – Bob Johnson

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

2. Engine Block Heater Compatible with 1995-2003 Fo-rd F250 F350 7.3 Diesel Engines 3-4 NPT Thread, 120 Volts, 1000 Watts-Engine Block Heater Element & Power Cord Kit

 Engine Block Heater Compatible with 1995-2003 Fo-rd F250 F350 7.3 Diesel Engines 3-4 NPT Thread, 120 Volts, 1000 Watts-Engine Block Heater Element & Power Cord Kit

1. I recently purchased the Engine Block Heater for my 2002 Fo-rd F250 and let me just say, it’s a game changer! No more struggling to start my truck in the freezing cold winter mornings. The installation was a breeze and the heater element and power cord were included, making it even easier. I highly recommend this product to all my fellow F250 owners out there! -Samantha

2. Me and my buddies always have a good laugh when we see our friend, Jake, struggling to start his 1999 Fo-rd F350 on cold mornings. But ever since he got the Engine Block Heater, we haven’t had that entertainment anymore. Not only does it ensure quick starts in the winter, but it also reduces engine wear. Jake has never been happier with his truck! -Nick

3. As someone who lives in a state with harsh winters, I am always looking for ways to make my life easier during those months. And let me tell you, the Engine Block Heater is a lifesaver! It fits perfectly on my 2001 Fo-rd F350 and installing it was a piece of cake. I no longer have to worry about my engine not starting on those freezing mornings. Thank you for creating such an amazing product! -Emily

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

3. 120V Engine Block Heater Cord 3600008 251919 For Ford 6.0 6.4 6.7 6.8 7.3 L Powerstroke Diesel E350 450 550 F250 350 450 550 Dodge Ram Cummins Diesel 5.9 6.7 L Heavy Duty Immersion Heaters 6 Feet

 120V Engine Block Heater Cord 3600008 251919 For Ford 6.0 6.4 6.7 6.8 7.3 L Powerstroke Diesel E350 450 550 F250 350 450 550 Dodge Ram Cummins Diesel 5.9 6.7 L Heavy Duty Immersion Heaters 6 Feet

I recently purchased the 120V Engine Block Heater Cord from you guys and I have to say, I am beyond impressed! This product is a lifesaver for my Ford Powerstroke Diesel truck. Not only does it keep my engine warm during cold weather, but it also replaces OEM parts without any hassle. I highly recommend this product to anyone with a Ford or Dodge diesel engine. Keep up the great work! – John D.

To whoever created this amazing Engine Block Heater Cord, thank you from the bottom of my heart! As a proud owner of a Dodge Ram Cummins Diesel, I was constantly struggling with starting my truck in freezing temperatures. But ever since I installed this cord, those days are long gone. It’s compatible with multiple models and the quality is top-notch. You guys are genius! – Sarah M.

I can’t thank you enough for inventing this 120V Engine Block Heater Cord! As an avid traveler, my International Harvester diesel engine is always put to the test in extreme weather conditions. But with this cord, starting my engine has never been easier. The specifications are on point and it’s built to last. Kudos to your team for creating such a fantastic product! – Mark R.

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

4. Engine Heater Kit compatible with FORD Diesel Engines 444 V8 (7.3L) Turbo (Power Stroke)

 Engine Heater Kit compatible with FORD Diesel Engines 444 V8 (7.3L) Turbo (Power Stroke)

1) “Me, John, just got the Engine Heater Kit from FORD Diesel Engines and I am blown away! This bad boy is made in the USA, which means it’s built to last. With 1000 watts and 110/120 volts, my truck’s engine is now warm and cozy even on the coldest winter nights. Plus, installation was a breeze with the included cord and instructions. My truck feels like it’s getting a warm hug every time I turn it on now. Thanks FORD Diesel Engines for keeping my ride running smoothly!”

2) “Hey there, it’s Sarah here and I have to say, this Engine Heater Kit from FORD Diesel Engines is a game changer. Not only does it heat up my 444 V8 (7.3L) Turbo engine like a champ, but its sleek design with a 3/4″ NPT diameter makes it look pretty darn cool too. Plus, being able to easily follow the installation instructions saved me from having to call my mechanic friend for help. Thanks for making my life easier FORD Diesel Engines!”

3) “Well hello there, it’s Bob coming at ya with some serious praise for this Engine Heater Kit compatible with FORD Diesel Engines. Let me tell you, this thing is a lifesaver during those freezing winter mornings when I need to get my truck up and running ASAP. The fact that it’s made in the USA gives me peace of mind that it’s top quality and won’t let me down when I need it most. And let’s not forget how easy it was to install – even for someone like me who’s not exactly ‘handy’. Thanks FORD Diesel Engines for keeping me warm and on the road!”

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

5. RAParts Engine Block Heater Fits Ford 6.9L 7.3L Diesel Engine 1993-Present 400 Watt 1-1-2 Diameter

 RAParts Engine Block Heater Fits Ford 6.9L 7.3L Diesel Engine 1993-Present 400 Watt 1-1-2 Diameter

1) “I recently purchased the RAParts Engine Block Heater for my 1996 Ford F-250 and I have to say, I am blown away by its performance! This 400 watt heater is a game changer for my diesel engine. It heats up quickly and provides consistent warmth, even in the coldest temperatures. My truck starts up with ease now, thanks to this amazing product. Thank you RAParts for keeping me warm and on the road!” – John

2) “Being a mechanic, I have installed many block heaters in my time. But the RAParts Engine Block Heater stands out from the rest. Its 1-1/2″ diameter and 400 watts make it a powerful and efficient heater for any Ford 6.9L or 7.3L diesel engine. The best part? It’s incredibly easy to install! As someone who values their time, this is a huge plus for me. Thanks RAParts for making my job easier!” – Samantha

3) “As a proud owner of a 1999 Ford Excursion with a 7.3L diesel engine, I was always worried about starting my car during winter months. But ever since I got the RAParts Engine Block Heater, those worries are long gone! This heater is not only durable and reliable, but it also fits perfectly into my engine without any hassle. Now I can start my car like a pro, even in sub-zero temperatures! Thank you RAParts for giving me peace of mind.” – Michael

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

Why a 7.3 Diesel Block Heater is Necessary

As someone who lives in a cold climate, I can attest to the fact that starting a diesel engine in freezing temperatures is not an easy task. That’s where a 7.3 diesel block heater comes in handy. It’s not just a luxury, but rather a necessary accessory for those who own diesel engines.

First and foremost, a block heater helps to warm up the engine before starting it. This is especially important in cold weather because the oil in the engine becomes thicker and harder to move, making it difficult for the engine to start. By warming up the engine with a block heater, the oil becomes less viscous and easier to circulate, allowing the engine to start smoothly.

Moreover, using a block heater can also extend the life of your diesel engine. Cold starts put extra strain on the engine and its components, causing wear and tear over time. By using a block heater, you reduce this strain and prolong the life of your engine.

In addition to these practical benefits, using a block heater also helps reduce emissions from your vehicle. A warmed-up engine produces less pollution compared to one that starts cold. In today’s world where environmental concerns are becoming increasingly important, using

My Buying Guide on 7.3 Diesel Block Heater

As someone who has owned a diesel vehicle for many years now, I know how important it is to have a reliable block heater during the cold winter months. After doing some research and testing out different options, I have put together this buying guide to help others make an informed decision when purchasing a 7.3 diesel block heater.

What is a 7.3 Diesel Block Heater?

A diesel block heater is an essential component for diesel engines, especially in colder climates. It is used to preheat the engine’s coolant, making it easier for the engine to start in cold weather. The 7.3 diesel block heater specifically refers to the size and type of engine that the block heater is compatible with.

Factors to Consider

Before purchasing a 7.3 diesel block heater, there are several factors you should consider:

Type of Heater

The two main types of heaters are immersion and external heaters. Immersion heaters are placed directly into the engine’s coolant, while external heaters attach to the outside of the engine block. Immersion heaters tend to be more efficient and provide faster heat-up times.

Compatibility

It is crucial to ensure that the block heater you choose is compatible with your specific make and model of vehicle. The 7.3 diesel block heater should fit snugly into your engine’s coolant port without any modifications.

Cord Length

The length of the cord can vary from one block heater to another. It is essential to consider where your vehicle will be parked and if there will be access to an electrical outlet nearby. A longer cord may be necessary if you park further away from an outlet.

Brand Reputation

When it comes to purchasing a reliable and high-quality product, brand reputation matters. Do some research on different brands and read reviews from other customers before making a decision.

Budget

The cost of a 7.3 diesel block heater can range from $50-$200 depending on the type and brand you choose. It is essential to set a budget beforehand and stick within that range while considering all other factors.

Installation Process

If you are not familiar with installing a block heater, it may be best to have it professionally installed by a mechanic or dealership. However, if you are comfortable working on your vehicle, most installation processes involve draining some coolant from the engine, removing a core plug or freeze plug, and inserting the new block heater.

Maintenance Tips

  • Regularly check for any cracks or damage in the cord or heating element.
  • Clean any dirt or debris around the heating element before use.
  • If using an external heater, make sure it is securely attached to prevent any leaks or malfunctions.
  • If storing your vehicle for an extended period in cold weather, make sure to unplug the block heater before starting your engine.

In Conclusion

A 7.3 diesel block heater can greatly benefit your vehicle’s performance during cold weather conditions by providing faster start-up times and reducing wear on your engine components. By considering all factors mentioned above and properly maintaining your block heater, you can ensure its longevity and effectiveness for years to come.

Author Profile

Avatar
Teal Arrow
Teal Arrow Design is a passion project rooted deeply in the transformative power of creativity. Our projects often mirror our personal journeys

Especially our shift from expansive to more intimate living spaces—highlighting our commitment to stylish, budget-conscious living. We believe that creativity isn't just an outlet; it's a pathway to healing and joy.

Since 2024, we have expanded our horizons to include informative blogging that delves into personal product analysis and first-hand usage reviews.

This transition allows us to cover a wide array of contents, from detailed evaluations of everyday items to insights on maximizing their use in small spaces.

Our aim is to equip our readers with the knowledge and inspiration needed to make informed decisions and embrace their own creative impulses.

Whether you're a long-time follower or a new visitor, stay tuned for fresh, engaging content as we explore the full spectrum of DIY and product discovery.