Sinister Diesel Injector Seal Kit | 1994–2003 Ford Powerstroke 7.3L
- High-quality replacement injector seal kit
- Eliminates fuel and oil leaks caused by worn seals
- Protects against contamination and combustion gas intrusion
- Direct-fit design for all 7.3L Powerstroke injectors
- Manufactured from durable, heat-resistant materials
Compatible Vehicles
- 1994–2003 Ford F-250 / F-350 7.3L Powerstroke
- 2000–2003 Ford Excursion 7.3L Powerstroke
Product Description
If your 7.3L Powerstroke is showing signs of injector seal failure — like oil in the fuel, fuel in the oil, or leaks around the injectors — the Sinister Diesel Injector Seal Kit is the solution.
This kit includes the critical O-rings and seals necessary to restore proper injector sealing. Built from premium materials, these seals are designed to resist heat, pressure, and wear, ensuring long-term reliability and protecting your injectors from premature failure.
Why Choose Sinister Diesel
Every Sinister Diesel part is engineered for strength, reliability, and performance. By using high-quality materials and precision manufacturing, we provide durable solutions you can trust. Plus, you’ll get fast shipping and expert support from a team that knows Powerstroke engines.