
Sinister Diesel Intercooler Boot & Clamp Kit for 1999.5–2003 Ford 7.3L Powerstroke
Refresh your 7.3L Powerstroke’s intercooler connections with Sinister Diesel’s upgraded silicone boot and clamp kit. Six four-ply silicone boots and twelve stainless steel spring clamps provide replacement connections for the hot and cold sides of the charge-air system.
Whether you’re replacing worn factory boots or preparing your truck for its next towing trip, this kit brings the boots and matching clamps together in one package.
Key features
- Four-ply silicone boots: Heavy-duty, high-temperature construction designed by Sinister Diesel to exceed factory specifications.
- Hot- and cold-side coverage: Includes Sinister Diesel boots for both sides of the charge-air system.
- 300-series stainless steel spring clamps: Twelve clamps included.
- Factory replacement: Sinister Diesel describes the boots and clamps as a straight replacement for the factory parts on the listed application.
- Manufacturer-listed 400 psi burst rating: This is a burst rating for the boots, not a recommended operating boost pressure or a rating for the complete charge-air system.
What’s included
- 6 four-ply silicone boots
- 12 stainless steel spring clamps
Fitment
Listed application: 1999.5–2003 Ford 7.3L Powerstroke. The supplied vehicle list names F-250, F-350 and F-450.
1999 trucks: Confirm the 1999.5 application before ordering. The original vehicle list broadly states 1999–2003, while the product title and specific fitment statement start at 1999.5; early-1999 compatibility needs confirmation.
Confirm compatibility with any aftermarket charge pipes or intercooler modifications before purchase.
Part number: SD-BK-7.3

