What is Reddit's opinion of Zerostart 3100039 Engine Block Heater for Buick, Cadillac, Chevrolet, Ford, Lincoln, International by Navistar, Jeep, Mazda, 1-1/2-Inch Diameter | CSA Approved | 120 Volts | 600 Watts?
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Zerostart 3100039 Engine Block Heater for Buick, Cadillac, Chevrolet, Ford, Lincoln, International by Navistar, Jeep, Mazda, 1-1/2-Inch Diameter | CSA Approved | 120 Volts | 600 Watts

By popularity on Reddit, this product is:

#4 in Automotive Replacement Tank Type Engine Heaters

1 review of this product found across Reddit:

20s and 30s? It’s 13F here right now in SW WY. But no. The block heater takes place of one freeze plug. And you run cord out usually under the grille or something. I haven’t noticed any effect on fuel economy. Just makes startup a lot nicer

Zerostart 3100039 Engine Block Heater for Buick, Cadillac, Chevrolet, Ford, Lincoln, International by Navistar, Jeep, Mazda, 1-1/2-Inch Diameter | CSA Approved | 120 Volts | 600 Watts https://www.amazon.com/dp/B000NM2KOY/ref=cm_sw_r_cp_api_fabc_EELYFbNM28C2F

Put it in my 2003 4.0

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