GENERAC 6558 Cold Weather Kit ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$415.19
GENERAC 6558 Cold Weather Kit for Diesel Generator

GENERAC 6558 Cold Weather Kit for Diesel Generator

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Model: 6558
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$415.19
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Cold Weather Kit for Diesel Generator

  • Features

    • When temperatures fall below an acceptable level, the thermostat activates the battery warmer maintaining optimum battery temperature for the best generator starting
    • The cold weather kits for the Protector series consist of a block heater with all necessary mounting hardware and a battery warmer with a thermostat built into the battery wrap
    • Compatible with Generac 50-kw Protector series diesel generators
    • Easy installation
    • These kits are recommended for generators installed in regions where the temperature regularly falls below 32°F (0°C); when installing a cold weather kit, it is required that the oil is replaced with 5W-30 synthetic for better engine start capability
    • Battery warmer: 120-volts, 75-watts, 0.63-amps
    • Instructions included
    • Cold Weather Kit

Manufacturer Resources

Product Specs

Country Of Origin:
United States
Restrictions:
No
Department:
Electrical
Product Group:
Power Equipment
Product Subgroup:
Generator

Generac 6558 – Frequently Asked Questions

1) What comes in the Generac 6558 cold weather kit?
Two heaters and the hardware to mount them: an engine block heater with all necessary mounting hardware, plus a battery warmer with the thermostat built into the battery wrap. Instructions are included, so a maintenance tech can install it without a separate service manual.
2) Do I need to change the generator oil when I install a cold weather kit?
Yes. Installing this kit requires replacing the oil with 5W-30 synthetic for better engine start capability in cold conditions. Plan on having the oil and a filter on hand the same day you do the install.
3) At what temperature does a standby diesel generator actually need a cold weather kit?
Generac recommends these kits wherever temperatures regularly drop below 32 degrees F (0 degrees C). The battery wrap thermostat is what does the work day to day: it switches the warmer on when the battery gets too cold and holds it at a temperature that gives a reliable start.
4) What power supply does the battery warmer on the 6558 kit need?
The battery warmer runs on 120 volts, drawing 75 watts at 0.63 amps. That is a standard 120V circuit load, so a facility electrician can feed it from an existing convenience outlet or circuit at the generator pad without adding service.
5) Does the block heater in this kit run all the time or only in cold weather?
The thermostat in this kit governs the battery warmer, switching it on when temperatures fall below an acceptable level. The block heater is supplied with its own mounting hardware and warms the engine so a diesel cranks and fires in cold conditions. Between the two, the goal is the same: the set starts on demand when it is below freezing.
6) What is the Generac part number for the 50 kW Protector diesel cold weather kit, and where is it made?
Order it as Generac 6558. That is the manufacturer part number for the diesel Protector cold weather kit covering the block heater and thermostatic battery warmer, and it is made in the United States.
How fast can I get the Generac 6558 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Generac 6558 come with a warranty?
Absolutely. The Generac 6558 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Generac 6558?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Generac 6558 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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