Sinister Diesel Thermostat Housing (SDGTHERMO73) for 1999-2003 Powerstroke 7.3L

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The Sinister Diesel Thermostat Housing is a direct replacement for the OEM version, offering improved durability and appearance. Made from anodized billet aluminum, it resists corrosion, while precision CNC machining and a thick base plate ensure a long-lasting seal. It features a Limited Edition Sinister Gray finish for enhanced engine bay aesthetics.

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Description

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. The Precision CNC machining and thick base plate ensure a complete seal for years to come. It’s finished off in Limited Edition Sinister Gray to add some great looks to your engine bay.

Additional information
Weight 2 lbs
Dimensions 4 × 4 × 4 in
Manufacturer

Fitment

Fitment

2003 Ford F-250 7.3L

2003 Ford F-350 7.3L

2002 Ford F-250 7.3L

2002 Ford F-350 7.3L

2001 Ford F-250 7.3L

2001 Ford F-350 7.3L

2000 Ford F-250 7.3L

2000 Ford F-350 7.3L

1999 Ford F-250 7.3L

1999 Ford F-350 7.3L

Features

Features

  • 6061 T6 Billet Aluminum Construction
  • Longer life with a leak-proof seal
  • Tough, heat-resistant design
  • Gray Anodized Finish
  • 2 Year Warranty
Includes

Includes

  • (1) Sinister Diesel Thermostat Housing
  • (3) Hardware Bolts
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About brand
Sinister Diesel builds performance and reliability parts for diesel trucks. The company focuses on cooling, durability, and proper fitment. Sinister Diesel performance parts support daily driving, towing, and work use. Sinister designs cooling systems, charge pipes, and fuel system components. These parts help manage heat and reduce stress on the engine. Better cooling supports consistent performance under load. Truck owners trust the brand for dependable upgrades. These parts perform well in real-world driving conditions.
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