Description
When your Ford tractor starts running rough, missing on one cylinder, or blowing black smoke, a failing fuel injector is often the culprit. These hard-working engines depend on precise fuel delivery to each cylinder, and when an injector starts acting up, you’ll feel it in reduced power and poor fuel economy. This replacement injector restores proper fuel atomization and delivery, getting your tractor back to smooth, efficient operation.
What You’re Getting
- Direct replacement that matches original specifications exactly
- Precise fuel metering eliminates rough running and black smoke
- No core exchange required – install and get back to work
- Quality construction built to handle the demands of farm work
- Compatible with your tractor’s existing fuel system
Built for Real Farm Work
This injector fits Ford’s popular utility and row-crop tractors from the 340 and 445 series up through the bigger 3600 and 4100 models, plus the versatile 420 loader backhoe. These are the workhorses you see on farms everywhere, handling everything from hay operations and livestock chores to tillage and loader work. The 5600 and 5700 models from the mid-70s to late-70s also use this same injector design.
Made to Last
Fuel injectors take a beating from high-pressure diesel delivery, engine heat, and constant operation. This replacement is built with quality materials to handle injection pressures and maintain proper spray patterns season after season. The precision-machined nozzle ensures clean fuel atomization for efficient combustion and reliable power output.
Installation Notes
This is a straightforward replacement job, but keep the work area clean since any dirt entering the fuel system can cause expensive damage. Remove the old injector carefully and check the copper sealing washer – replace it if it’s compressed or damaged. Torque to specification and bleed air from the fuel system before starting.






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