Sinister Diesel

This is a Replacement Hose for the Old Style Coolant Filtration, Part Numbers: SD-6.0PCFH03-02-20, SD-COOLFIL-6.0-C, Need to replace your old worn hose on your Sinister Diesel Coolant Filtration on...

This is a Replacement Hose for the New Style Coolant Filtration, Part Numbers: SD-6.0CF03-01-20, SDG-6.0CF03-01-20, Need to replace your old worn hose on your Sinister Diesel Coolant Filtration on...

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...

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 process, metal shavings,...

Sinister Diesel 03-07 Ford Powerstroke 6.0L Windshield Washer Fluid Cap

Adjustable Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L (Gray)

For use with aftermarket filtration system such as Fass or Air Dog. The perfect addition to your upgraded fuel system, get rid of unnecessary fuel restriction with the Sinister Fuel Filter Bowl...

If you're looking for your lifted truck to drive straighter, improve tire wear and exhibit less steering "wander," the Sinister Diesel 2003-2009 Dodge Cummins 4wd leveling kit is what you're looking...

The Sinister Diesel Cummins Steering Box Brace helps to eliminate the wobble and play in the steering system that is common in Cummins-powered Dodge trucks. The Cummins Steering Box Brace Kit from...

The Sinister Diesel Cummins Steering Box Brace helps to eliminate the wobble and play in the steering system that is common in Cummins-powered Dodge trucks. The Cummins Steering Box Brace Kit from...

Kit includes:Sinister Diesel Adjustable Track Bar, Sinister Diesel Steer Box Support, All hardware necessary for installationIf you have the newer 6-bolt steering box installed, you will need the...

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...

From the factory, the 6.0L and 6.4L PowerStroke engine (found in the 2003 to 2010 Ford Super Duty) had a plastic oil filter cap, which becomes weak and brittle over time. A cracked or broken filter...

Sinister Diesel 03-18 Dodge RAM Cummins 5.9L Radiator Pipe

Sinister Diesel 03-18 Dodge/RAM Cummins 5.9L Radiator Pipe - Gray