Sinister Diesel - Cooling

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Coolant Reservoirs

Radiator Tubes

Coolant Filtration

Coolant Sensors

Cooling Fans

Freeze Plugs

Oil Coolers

The factory diesel oil cooler on your Cummins, Powerstroke or Duramax diesel is often a weak point in your cooling system. The small passages inside many diesel oil coolers can easily become...More Details »

Radiators

Thermostats

Turbo Coolant Line

Water Pump

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