Oil Caps

This new Coolant Reservoir Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoirs for 1994-2016 Powerstroke engines. It is made from CNC machined, solid billet T6-6061 aluminum...

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 Cap, and Oil Filter Cap. Each one has been designed as...

1985-1988 Chevrolet Nova 1.6 Liter, 1985-1988 Chevrolet Nova 1.6 Liter MM5, 1985-1988 Chevrolet Nova 1.6 Liter MM5, 1988 Chevrolet Nova 1.6 Liter MS7, 1988 Chevrolet Nova 1.6 Liter MS7, 1985-1988 Chevrolet Nova 1.6 Liter MX1, 1998-2002 Chevrolet Prizm 1...

Add function and style to your engine bay with a Mishimoto CNC-machined billet Oil Filler Cap. Available in black and red, this item is a great compliment to any engine bay. The included O-ring ensures a tight seal, and the Mishimoto name on the top...

Add function and style to your engine bay with a Mishimoto CNC-machined billet Oil Filler Cap. Available in black and red, this item is a great compliment to any engine bay. The included O-ring ensures a tight seal, and the Mishimoto name on the top...

2005-2008 Chevrolet Equinox 3.4 Liter AF33, 2003-2006 Ford Crown Victoria 4.6 Liter 4R70W, 2011 Ford Crown Victoria 4.6 Liter 4R70W, 2007-2008 Ford Crown Victoria 4.6 Liter 4R75E, 2006 Ford Crown Victoria 4.6 Liter 4R75W, 2011 Ford Crown Victoria 4.6...

1986 Ford Aerostar 2.8 Liter A4LD, 1995-1997 Ford Aerostar 3.0 Liter 4R44E, 1995 Ford Aerostar 3.0 Liter 4R55E, 1997 Ford Aerostar 3.0 Liter 5R55E, 1986-1995 Ford Aerostar 3.0 Liter A4LD, 1995-1997 Ford Aerostar 4.0 Liter 4R44E, 1995-1996 Ford Aerostar 4...

1986 Ford Aerostar 2.8 Liter A4LD, 1995-1997 Ford Aerostar 3.0 Liter 4R44E, 1995 Ford Aerostar 3.0 Liter 4R55E, 1997 Ford Aerostar 3.0 Liter 5R55E, 1986-1995 Ford Aerostar 3.0 Liter A4LD, 1995-1997 Ford Aerostar 4.0 Liter 4R44E, 1995-1996 Ford Aerostar 4...

1986 Ford Aerostar 2.8 Liter A4LD, 1995-1997 Ford Aerostar 3.0 Liter 4R44E, 1995 Ford Aerostar 3.0 Liter 4R55E, 1997 Ford Aerostar 3.0 Liter 5R55E, 1986-1995 Ford Aerostar 3.0 Liter A4LD, 1995-1997 Ford Aerostar 4.0 Liter 4R44E, 1995-1996 Ford Aerostar 4...

Dress up your Cummins with this billet aluminum oil cap cover. It is anodized black and laser etched with the Fleece Performance "F". It is a great accessory to add to your Cummins whether it's your first Fleece Performance part, or if it gives the final...

Dress up your Cummins with this Orange billet aluminum oil cap cover. It is anodized black and laser etched with the Fleece Performance "F". It is a great accessory to add to your Cummins whether it's your first Fleece Performance part, or if it gives...

Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Red

Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Black

Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Blue

This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits Sinister Coolant Reservoirs for 2017-2019 Powerstroke engines. It is made from CNC machined, solid billet T6-6061 aluminum with...