Sinister Diesel Injector (SDINJ6003) for 2003 Powerstroke 6.0L

Restore your 6.0L Powerstroke to its original performance and efficiency with Sinister Diesel’s Replacement Injector. Engineered to meet or exceed OEM specifications, this high-quality injector ensures precise fuel delivery and dependable performance. It’s the ideal solution for Powerstroke owners looking to replace worn or faulty injectors without compromising on quality. Designed as OE replacements, we guarantee a seamless fit and optimal performance.

Our premium injector has all worn parts inspected and replaced. 100% of all plunger return springs are replaced. All surfaces are inspected and lapped as needed. All O-Rings and seals are replaced.

Our Sinister Diesel Injectors for the 6.0L feature 100% replacement of the solenoids, wire, connector and wire guide. The new solenoid eliminates wire insulation cracking, coil discoloration and coil failure. The new OE connector ensures proper connection to the vehicle wiring harness and proper fit and sealing through the valve cover. Our injector spool valves and housing are 100% leak and flow tested to meet or exceed OE specifications. Our new spool valves are redesigned with updated features to reduce injector stiction, a common problem on the 6.0L engine. Our 6.0 Injector also has precision ground nozzles that are 100% flow tested to ensure accurate and precise fuel delivery.

Each injector is rigorously tested under numerous operating parameters to ensure reliability and longevity.