Sinister Diesel

Keep the oil clean in your truck's engine using this Cummins bypass oil filter system from Sinister Diesel. This setup does a better job than the OE oil system , keeping everything in your engine...

Whether your diesel truck has leaky or blown head gaskets, these 20 mm Powerstroke head gaskets by Sinister Diesel are the perfect solution. They are designed for 2003 to 2007 Ford Powerstroke 6.0L...

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...

Sinister Diesel 320 Amp OEM High Output Alternator for 2007-2019 Dodge Cummins 6.7L.

Sinister Diesel 07-19 Dodge Cummins 6.7L 320Amp OEM High Output Alternator

This product has a Sinister Blue High Gloss powder coat finish for extra protection and a clean and stylish appearanceThis Part Fits:YearMakeModelSubmodel2007-2009DodgeRam...

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...

Under full throttle or hard driving conditions, the stock pressure relief valve can allow fuel rail pressure to drop which can cause a dangerous lean condition as well as trigger DTC codes P0087 and...

Q: I know it is stronger and looks better, but doesn't aluminum conduct more heat than plastic? A: On a technical standpoint, aluminum would be a little more subject the heat because it is metal,...

Dress up the engine bay in your truck and add some nice durability with this 08-10 Powerstroke billet cap kit from Sinister Diesel. The kit comes with replacement aluminum Oil Filler Cap, Fuel Filter...

Sinister Diesel Coolant Reservoir installs easily, even for a beginner, with basic hand tools in less than 30 minutes. Q:.Does this item come with a new Cap?, N: No, it does not. However, your...

Sinister Diesel EGR Coolers for Ford Powerstroke 2008-2010 6.4LThis Part Fits:YearMakeModelSubmodel2009-2010FordF-250 Super DutyCabela's2008-2009FordF-250 Super DutyFX42008-2010FordF-250 Super...

A cracked fuel filter cap can lead to air in the fuel system. That can result in hard starting or potential fuel injector issues. A cracked fuel filter cap can also cause a fuel leak, which is...

This product has a Sinister Blue High Gloss powder coat finish for extra protection and a clean and stylish appearanceThis Part Fits:YearMakeModelSubmodel2009-2010FordF-250 Super...

Sinister Diesel 320 Amp OEM alternators are trusted by many Diesel repair shops and stores to be the “fix all solution'; for the Ford Powerstroke 6.4L alternator failures which may cause...