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.

3500022 Engine Block Immersion Heater For Cummins Paccar 3 4

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Description

🔥 Power up your winter starts with precision and safety!

PLUG PLAY CONVENIENCE - Includes a 6-foot power cord with a standard 120V Type A plug for easy, hassle-free setup.
SMART HEATING EFFICIENCY - Designed to warm your engine block efficiently without draining coolant or requiring complex installation.
WINTER PROOF YOUR ENGINE - 750 watts of reliable heating power ensures quick cold starts and reduces engine wear during harsh winters.
CERTIFIED SAFETY DURABILITY - CSA approved and crafted from stainless steel for long-lasting performance and peace of mind.
PRECISION FIT FOR CUMMINS PACCAR - Threaded 3/4" NPT design guarantees seamless installation tailored for your specific engine model.

The Zerostart 3500022 Engine Block Immersion Heater delivers 750 watts of heating power at 120 volts, featuring a 3/4" NPT threaded stainless steel design specifically engineered for Cummins and Paccar engines. CSA certified for safety, it includes a 6-foot power cord and plug protector, ensuring quick, reliable cold-weather engine starts while reducing wear. Easy to install without draining coolant, this heater is a must-have for professionals seeking dependable winter engine performance.

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

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Description

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Common Questions