Which block heater will fit my vehicle?

Each block heater is engineered for a specific engine. Check the AmazonConfirmedFit tool or the Phillips and Temro website for exact fitment based on your vehicle Year/Make/Model and engine size.

How long can I plug in the block heater?

To pre warm your vehicle, the block heater should be plugged in at least 3-4 hours. There is nothing detrimental about leaving it plugged in overnight or longer.

Can I plug my heater in before installation to test it?

NO. Withtout the engine coolant to dissipate the heat you will burn out the element and it will no longer function. The heater is designed for warm the engine while submersed in the coolant.

Can you use a timer with a block heater?

Yes. You can use a timer with your block heater. However give at least 3-4 hours of continuous heating to properly warm the engine. This timing may vary depending on the ambient conditions.

How can I test my heater is working?

Using a multi-meter you can check the continuity or resistance of the element.

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

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

Product ID: 24273023

Details

Brand
Zerostart
Color
Stainless
Item Weight
0.97 Pounds
Voltage
120 Volts
Wattage
750 watts

⚡750W powerful heating

🔌120V plug & 6' cord

🛠️3/4" NPT threaded fit

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฿8746

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
Zerostart
Color
Stainless
Item Weight
0.97 Pounds

Description

🔥 Never let winter slow your engine down!

PRECISION THREADED FIT - 3/4" NPT thread guarantees a secure, leak-proof immersion directly into your engine block’s frost plug port.
PLUG PLAY CONVENIENCE - Includes a 6-foot power cord and standard 120V Type A plug for easy installation and reliable power supply.
ENGINEERED FOR YOUR VEHICLE - Specifically designed for Cummins and Paccar engines with expert support and fitment tools to avoid guesswork.
RAPID WINTER ENGINE WARM UP - 750 watts of targeted heat to ensure your Cummins or Paccar engine starts effortlessly in freezing temps.
CERTIFIED SAFETY DURABILITY - CSA approved with copper heating elements and plated steel adapters for long-lasting, worry-free performance.

The Zerostart 3500022 Engine Block Immersion Heater delivers 750 watts of CSA-approved heating power via a 3/4" NPT threaded copper element, designed specifically for Cummins and Paccar engines. With a 6-foot cord and standard 120V plug, it ensures quick cold-weather starts, reduces engine wear, and installs easily without draining coolant. Trusted by professionals, it’s the ultimate winter engine essential.

Specifications

ASIN	B002UNK9VA
Best Sellers Rank	#608,476 in Automotive ( See Top 100 in Automotive ) #10 in Automotive Replacement Freeze Plug Type Engine Heaters
Brand	Zerostart
Brand Name	Zerostart
Color	Stainless Steel
Customer Reviews	4.7 out of 5 stars 319 Reviews
Global Trade Identification Number	00064222012647
Included Components	6' (1.8m) Power Cord, Heater, Plug Protector
Item Type Name	Engine Block Immersion Heater for Cummins, Paccar, 3/4" NPT Thread \| CSA Approved \| 120 Volts \| 750 Watts
Item Weight	0.97 Pounds
Manufacturer	Phillips & Temro Industries
Material	Stainless Steel
Material Type	Stainless Steel
Model Number	3500022
Part Number	3500022
UPC	064222012647
Unit Count	1.0 Count
Voltage	120 Volts
Warranty Description	1 year manufacturer's warranty
Wattage	750 watts

Reviews

M**)

28.10.2025

R**N

19.11.2025

B**E

14.01.2025

K**Y

29.02.2024

A**Y

28.02.2023

M**P

10.02.2026

P**N

25.02.2023

S**E

18.02.2024

M**D

29.12.2025

C**S

20.06.2024

W**E

22.07.2023

A**D

6.04.2026

A**R

28.11.2024

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