Sinister Diesel Injector Seal Kit | 2003–2007 Ford Powerstroke 6.0L
- High-quality replacement injector seal kit
- Restores proper fuel system sealing and performance
- Prevents fuel leaks, oil contamination, and combustion gas intrusion
- Direct-fit design for all 6.0L Powerstroke injectors
- Built to meet or exceed OEM specifications for long-lasting reliability
Compatible Vehicles
- 2003–2007 Ford F-250 / F-350 6.0L Powerstroke
- 2003–2005 Ford Excursion 6.0L Powerstroke
Product Description
The Sinister Diesel Injector Seal Kit is designed to restore the proper sealing needed to keep your 6.0L Powerstroke’s injectors operating at peak efficiency. Worn or damaged seals can cause fuel leaks, poor performance, or even major injector damage.
This kit includes all the seals and O-rings required for a complete service, manufactured from premium materials to withstand the heat and pressure of diesel operation. Whether you’re replacing injectors or refreshing existing ones, this kit ensures a leak-free, long-lasting repair.
Why Choose Sinister Diesel
At Sinister Diesel, we design our components to deliver reliable performance and long service life. Each part is carefully manufactured to meet or exceed OEM standards, and we back your purchase with fast shipping and dedicated technical support.