Sinister Diesel 11-16 GM Duramax LML (New Style) Coolant Filtration System - SD-LMLCF11

Add years of life to your diesel engine with this Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil cooler will last longer. This kit is designed to bypass...

Sinister Diesel Universal Coolant Filtration System - SD-COOLFIL-UNIV

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 from inside the engine's cooling system. Whether your...

Sinister Diesel 99-03 Ford 7.3L Powerstroke Coolant Filtration System w/ Wix Filter - SD-COOLFIL-7.3-W

Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil cooler will last longer. This kit is designed to bypass and filter small amounts of the engine's coolant while your diesel engine is...

Sinister Diesel 99-03 Ford 7.3L Powerstroke Coolant Filtration System w/ CAT Filter - SD-COOLFIL-7.3-C

Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil cooler will last longer. This kit is designed to bypass and filter small amounts of the engine's coolant while your diesel engine is...

Sinister Diesel 07.5-12 Dodge 6.7L Cummins Coolant Filtration System w/ Wix Filter - SD-COOLFIL-6.7C-W

Even on freshly rebuilt, or brand new engines, the coolant is usually contaminated with microscopic particles including casting sand leftover from the manufacturing process, metal shavings, rust, and mineral deposits that can diminish the cooling...

Sinister Diesel 11-15 Chevy/GMC Duramax Coolant Filtration System - SD-COOLFIL-6.6-11-W

Add years of life to your diesel engine with this Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil cooler will last longer. This kit is designed to bypass...

Sinister Diesel 01-10 Chevy/GMC Duramax Coolant Filtration System - SD-COOLFIL-6.6-01-W

Add years of life to your diesel engine with this Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil cooler will last longer. This kit is designed to bypass...

Sinister Diesel 08-10 Ford 6.4L Powerstroke Coolant Filtration System w/ Wix Filter - SD-COOLFIL-6.4-W

It doesn't matter if your 6.4L Ford Powerstroke engine is brand new or has had a long service life, there are contaminants like casting sand leftover from the manufacturing process, metal shavings, rust, and mineral deposits floating in your coolant that...

Sinister Diesel 03-09 Ford 6.0L E-Series Van Coolant Filter System w/ Wix Filter - SD-COOLFIL-6.0V-W

Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and cooler will last longer. This kit is designed to bypass and filter small amounts of the engine's coolant while your diesel engine is running...

Sinister Diesel 03-07 Ford 6.0L Ford Powerstroke Coolant Filtration System w/ Wix Filter - SD-COOLFIL-6.0-W

Check out our new revision of the 6.0 Powerstroke Coolant Filtration System, It doesn't matter if your 6.0L Ford Powerstroke engine is brand new or has had a long service life, there are contaminants like casting sand leftover from the manufacturing...

Sinister Diesel 03-07 Ford Powerstroke 6.0L Coolant Filtration System w/ Cat Filter - SD-COOLFIL-6.0-C

Check out our new revision of the 6.0 Powerstroke Coolant Filtration System, It doesn't matter if your 6.0L Ford Powerstroke engine is brand new or has had a long service life, there are contaminants like casting sand leftover from the manufacturing...

Sinister Diesel 03-07 Dodge 5.9L Cummins Coolant Filtration System w/ Wix Filter - SD-COOLFIL-5.9-03-W

The 5.9L Cummins Coolant Filter Kit from Sinister Diesel is designed to extend the service life of your 2003-2007 Dodge 2500 or 3500 diesel by removing contaminants that can damage your engine.Even on freshly rebuilt, or brand new engines, the coolant is...