fits model: M923.

( Part Type: Block Heater )
The M813, M931, M929, M923A1, M816, M818, M936, M927, M936A1, and M817 block heaters are a series of heavy-duty, reliable, and efficient heating solutions designed for military and off-road vehicles. These block heaters are designed to keep your engine and oil warm during cold weather, ensuring smooth and easy starting in the morning.
The M813 and M931 block heaters are suitable for medium and heavy-duty vehicles, while the M929 and M923A1 are specifically designed for the M1 Abrams tank. The M816, M818, M936, M927, M936A1, and M817 block heaters are versatile and can be used in a variety of vehicles, including trucks, buses, and construction equipment.
Each block heater is constructed with high-quality materials, such as heavy-duty copper wire and corrosion-resistant components, to ensure durability and longevity. They are also equipped with a thermostat to maintain the desired temperature and prevent overheating.
The M813, M931, M929, M923A1, M816, M818, M936, M927, M936A1, and M817 block heaters are available in various wattages and voltage options to meet the specific needs of your vehicle. They are also easy to install, with clear instructions and mounting hardware included.
In summary, these block heaters are a smart investment for anyone who drives in cold weather. They are reliable, durable, and efficient, and will ensure that your vehicle starts up easily and runs smoothly, no matter how cold it is outside.
Block heaters are essential accessories for vehicles in cold climates, helping to ensure the engine starts easily in freezing temperatures. The models you've mentioned are all block heaters manufactured by different brands, such as M813, M931, M929, M923A1, M816, M818, M936, M927, M936A1, and M817. Here are some pros and cons of each model:
M813: Pros:1. Relatively inexpensive
2. Compact design
3. Easy installation
Cons:1. Lower power output compared to other models
2. May not provide adequate heating for large engines in extreme cold
M931: Pros:1. High power output
2. Durable construction
3. Heats up quickly
Cons:1. More expensive than lower-power models
2. Larger size may require additional space for installation
M929, M923A1, M816, M818, M936, M927, M936A1, M817, M931a1:These models are not specific block heaters but different military vehicle models that may have block heaters as an optional accessory. The pros and cons of these vehicles will depend on their specifications and features.
In conclusion, the best block heater for you will depend on your vehicle's engine size, the climate in which you live, and your budget. If you have a small engine and live in a mild climate, a lower-power and more affordable model like the M813 may be sufficient. If you have a large engine or live in an area with extreme cold, a higher-power and more expensive model like the M931 will provide better heating performance.
My recommendation is to consider your specific needs and choose a block heater that offers the right balance of power, durability, and affordability for your situation. It's also essential to follow the manufacturer's instructions for installation and use to ensure the heater's longevity and safety.
You are buying on one new 1500 watt block heater for the 250 Cummings engine found in civilian trucks and in 5 ton military trucks this will fit the m800 series of trucks and the m900 series trucks with the 250hp Cummings engine.
You get heater, gasket and 6 foot of cord with standard 110volt wall plug on end and installation instructions. This attaches on the 6 bolts on the rear or front side plate of motor on pass side of engine whatever is Easter to get at. Longest part of install is draining antifreeze out.