Restore lost power, improve cold starts, reduce smoke, and bring your classic Ford IDI diesel back to life with the SWAG Performance IDI Diesel Injector Tune-Up Kit – NEW. Designed specifically for 1983-1994 Ford 6.9L and 7.3L IDI diesel engines, this complete injector service package includes brand-new injectors, glow plugs, and essential fuel return line components needed to properly refresh your aging diesel fuel system.
Whether you're maintaining a reliable work truck, restoring an OBS Ford diesel, or solving hard-starting and rough idle issues, this IDI injector kit provides a complete solution trusted by diesel owners and IDI enthusiasts. Proper injector spray pattern and fuel return system performance are critical to maintaining power, throttle response, fuel economy, and overall engine reliability on the legendary International IDI platform.
Features & Benefits
- Brand-New Fuel Injectors — Not Remanufactured
- Helps Restore Fuel Atomization & Combustion Efficiency
- Improves Cold Starts & Reduces White Smoke
- Reduces Rough Idle & Injector Knock
- Includes Glow Plugs for Complete Tune-Up Service
- Includes Fuel Return Line Kit Components
- Direct Fit for Ford 6.9L & 7.3L IDI Diesel Engines
- Ideal Preventative Maintenance Upgrade
- Great for Stock & Mild Performance Applications
- Designed for Long-Term Reliability & Consistent Fuel Delivery
Kit Includes
- (8) NEW IDI Diesel Fuel Injectors
- (8) DieselRX Glow Plugs
- Fuel Return Line Service Kit
- Injector Return Caps, O-Rings & Hardware
Vehicle Fitment
Ford IDI Diesel Applications
Fits the following engines:
- 1983-1987 Ford 6.9L IDI Diesel
- 1988-1994 Ford 7.3L IDI Diesel
- Naturally Aspirated & Factory Turbo IDI Applications
- Ford F-Series Trucks
- Ford E-Series Vans
- International IDI Diesel Equipped Vehicles
Common Symptoms This Kit Helps Correct
If your IDI diesel is experiencing any of the following problems, worn injectors or leaking return lines may be the cause:
- Hard Starting
- Excessive White Smoke
- Rough Idle
- Fuel Leaks Around Injectors
- Poor Fuel Economy
- Low Power
- Injector Cackle / Knock
- Long Crank Times
- Fuel Drain Back Issues
- Uneven Cylinder Performance
Replacing aging injectors and return line seals is one of the most effective maintenance upgrades for older IDI diesel engines. Many IDI owners report improved drivability, smoother idle quality, and easier cold-weather starting after injector replacement.
Why Upgrade Your IDI Injectors?
Over time, injector nozzles wear internally, causing poor spray patterns, fuel haze, incomplete combustion, and reduced performance. Old return line seals also become brittle and commonly leak air into the fuel system, creating hard-start conditions and inconsistent operation.
This complete tune-up kit helps restore proper fuel system operation while replacing several common failure points at once.
For higher-mileage trucks, injector replacement is considered essential preventative maintenance on the 6.9L and 7.3L IDI platform
✔ Bench-Tested Injector Specifications
-
Opening Pressure:
14 MPa (≈ 2,030 psi) -
Flow Rate:
220 cc/min = 220 ml/min -
Test Bench Speed:
1200–1250 rpm
