Quick view Sinister Diesel Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump - SD-WWP-01 Compare $371.79 $285.99 Proper heat management from the cooling system is crucial on modified engines when you want trouble-free and reliable performance. The factory Duramax water pump is known to slip under load and can... Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 03-07 Ford 7.3L Powerstroke Thermostat Housing - SD-THERMO-7.3 Compare $123.49 $97.99 Sinister Diesel 03-07 Ford 7.3L Powerstroke Thermostat Housing Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 03-07 Ford 6.0L Powerstroke Thermostat Housing - SD-THERMO-6.0 Compare $155.99 $124.99 The Sinister Diesel Thermostat Housing is a drop-in replacement for the OEM housing, with several advantages. It's anodized billet aluminum construction resists corrosion that often plagues OEM units... Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 03-07 F250/F350 Oil Filter & Coolant Filtration System Ford Powerstroke 6.0L - SD-REOFCF-6.0 Compare $1,299.99 $829.99 Sinister Diesel 03-07 F250/F350 Oil Filter & Coolant Filtration System Ford Powerstroke 6.0L Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 03-18 Dodge RAM Cummins 5.9L Radiator Pipe - SD-RADTUBE-CUMN Compare $233.99 $189.99 Sinister Diesel 03-18 Dodge RAM Cummins 5.9L Radiator Pipe Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 19-20 Dodge 2500/3500 Cummins 6.7L Radiator Pipe (High Output Engine) - SD-RADTUBE-6.7C-19-HO Compare $363.99 $164.99 Sinister Diesel 19-20 Dodge 2500/3500 Cummins 6.7L Radiator Pipe (High Output Engine) Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 19-20 Dodge 2500/3500 Cummins 6.7L Radiator Pipe (Standard Output Engine) - SD-RADTUBE-6.7C-19 Compare $363.99 $164.99 Sinister Diesel 19-20 Dodge 2500/3500 Cummins 6.7L Radiator Pipe (Standard Output Engine) Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 03-07 Ford Powerstroke 6.0L Oil Cooler Kit (Includes Gaskets & O-Rings) - SD-OC-6.0 Compare $519.99 $399.99 It's common knowledge that the oil cooler on the 6.0L PowerStroke is prone to failure which could leave you with costly repairs, so Sinister Diesel offers the Ford 6.0 Oil Cooler kit to make sure... Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 11-16 GM Duramax LML (New Style) Coolant Filtration System - SD-LMLCF11 Compare $298.99 $239.99 Sinister Diesel 11-16 GM Duramax LML (New Style) Coolant Filtration System Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 08-10 Ford 6.4L Degas Bottle - Blue - SD-DEGAS-6.4 Compare $857.99 $689.99 Sinister Diesel 08-10 Ford 6.4L Degas Bottle - Blue Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel Chevy Duramax L5P Coolant Reservoir Cap - SD-DC-L5P Compare $116.99 $89.99 Sinister Diesel Chevy Duramax L5P Coolant Reservoir Cap Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel Universal Coolant Filtration System - SD-COOLFIL-UNIV Compare $389.99 $314.99 The Sinister Diesel Universal Coolant Filter Kit is designed to extend the service life of your Duramax, Powerstroke, or Cummins-powered diesel truck by removing dangerous contaminants and deposits... Add to Cart Add to Cart