Keep Cummins engine fluids from cold weather freeze ups with block heaters from Diesel Parts Direct. Diesel fuel can quickly turn to gel when temperatures drop below freezing. Improve fluid circulation and pressure during cold starts with a Cummins block heater for 5.9-liter and 6.7-liter engines. Many of our selection of Hotstart block heaters and aftermarket alternatives are in-stock and available for same-day shipping.
Our A+ rating from the Better Business Bureau proves our commitment to supply high quality products and exceptional service, so if you need help choosing a 5.9 Cummins block heater for easier starts and faster engine heat, just ask!
Diesel Parts Direct have the parts you need to keep Cummins diesel engines operating through the winter months.
BLOCK HEATER - ISX / QSX (SIGNATURE 600, PRE 2007, 120 V, 1500 W)
$247.73
BLOCK HEATER - M11 / ISM 11.0L / QSM 11.0L (FLAT PLATE DESIGN, 120 V, 1500 W)
$381.88
BLOCK HEATER - N / NT / NH (AUGUST 1975 THRU JUNE 1982, 120 V, 1500 W)
$590.32
BLOCK HEATER - N / NT / NH (FLAT PLATE DESIGN, 1/2" NPT, 120 V, 1500 W)
$514.63
BLOCK HEATER - N / NT / NH (FLAT PLATE DESIGN, 120 V, 1500 W)
$309.09
BLOCK HEATER - N / NT /NH (PRIOR TO AUGUST 75, 120 V, 1500 W)
$677.39
BLOCK HEATER - N14 INDUSTRIAL / N / NT / NH (POST 1998, 120 V, 1500 W)
$796.36