Thermostat Housings

Spectre's Universal Radiator Fan Shrouds are made from triple chrome plated steel and are designed to allow the fan to efficiently pull air through the entire core of the radiator. Easy to install, the fan shroud is available in either a 3 inch or 5 1/2...

Spectre's triple chrome plated steel Hex-Style Radiator Cap fits the majority of radiators requiring a 14-18 pound cap. This cap has been pressure rated for 14-18 pounds. Designed to perform as good as they look using high quality materials, Spectre's...

Spectre's Chevrolet V8 water neck fits 1955 - 1965 Chevy 265 - 454 V8 engines and 1956 - 1963 Chevy Corvette engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This...

Spectre's Chevrolet V8 water neck fits 1966 - 1995 Chevy V8 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck includes bolts.

SPAL 1652 CFM 14in High Performance Fan - Push / Straight

SPAL 1274 CFM 14in Medium Profile Fan - Push

SPAL 1038 CFM 14in Fan - Push

SPAL 1250 CFM 13in Medium Profile Fan - Push

When you rely on your truck and demand the best performance, a plastic water pump impeller just isn't going to cut it. The plastic OEM water pump impellers in the 6.4 Powerstroke have been known to crack along the hub, leading to overheating and...

NOTE:If you have a 2004 model truck and have a 4EA or 4EB VIN code, measure your impeller size before ordering! You may be fitted with a 100mm impeller water pump, which we offerHERE, When you rely on your truck and demand the best performance, a plastic...

When you rely on your truck and demand the best performance, a plastic water pump impeller just isn't going to cut it. The plastic OEM water pump impellers in the 6.0 Powerstroke have been known to crack along the hub, leading to overheating and...

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...

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...

This Sinister Diesel Degas Bottle 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 factory cap will fit.This Part...

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...