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JEGS 1 5/8 in. Core Plug Block Heater [600 Watts @ 12.5A @ 120VAC]

555-51121


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1 5/8 in. Core Plug Block Heater [600 Watts @ 12.5A @ 120VAC]
$36.90
$29.69
SAVE $7.21
More than 10 available
1 5/8 in. Core Plug Block Heater
  • 600 Watts @ 12.5A @ 120VAC
  • Installs into Block's Core Plug Hole
  • For Most:
    • 1955-99 Small Block Chevy (Exc. LS1/LS6)
    • Includes:
      • 4 1/2 ft. Grounded Power Cord
  • Ships
    QTY
    51121 is rated 4.8 out of 5 by 4.
    Rated 5 out of 5 by from Service, Product, Prices!!!!! All 5 Star Great product with quick delivery! Prices met my wallet quite nicely! Looking forward to doing business with JEGS again!
    Date published: 2015-02-18
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    Will this work in 2008 Silverado 4.8l v8 ls 

    Asked by: Irwin412
    The Jegs 555-51121 heater does not work on an LS engine.
    Answered by: jshook
    Date published: 2024-02-23

    Will this fit a 400 sbc block #3951511 ? Is it ok to leave plugged in overnight ?

    Asked by: Dave
    The Jegs 555-51121 plug will fit a 400 Chevy and can be plugged in overnight.
    Answered by: jshook
    Date published: 2023-09-19

    Can this heater be used in a Dart Little M sbc ?

    Asked by: JW6x7x
    The Jegs 555-51121 block heater does not fit a Dart Little M block.
    Answered by: jshook
    Date published: 2023-01-10
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    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

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