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Phillips & Temro 3100057 Freeze Plug Block Heater- 1 5/8", 600w, 120v- GM 6.2, 6.5l Diesel (up to 2000), Gas 4.3, 5.0, 5.7 (Gen 1) (Zerostart 3100057)
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Phillips & Temro 3100065 Freeze Plug Block Heater- 1 5/8", 600w, 120v- Isuzu HD, GM & Ford Big Blocks (Early) (Zerostart 3100065)
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