Description
When your diesel tractor starts acting up with rough idling, hard starting, or that frustrating loss of power right when you need it most, there’s a good chance you’ve got air trapped in your fuel system. This large bleed screw is designed for the main fuel delivery points where bigger air pockets like to hide and cause the most trouble—places like your injection pump housing or main fuel manifold where standard small bleed screws just won’t cut it.
What You’re Getting
- Large-capacity bleed screw that handles higher fuel flow areas and bigger air pockets
- Robust threaded construction built for repeated bleeding operations during maintenance
- Fuel-resistant materials that stand up to today’s diesel blends and additives
- Precision machining ensures leak-free sealing when closed but easy operation when bleeding
- Works with compatible washer for complete seal integrity
Built for Real Farm Work
This large bleed screw fits the workhorse tractors that keep farms running—Fiat 90 Series and Ford New Holland 10, 600, and 1000 Series machines. These are the tractors you’ll find handling everything from heavy tillage and planting to loader work and transport duties. When these machines lose power due to air in the fuel system, it means lost productivity during critical seasons when every hour counts.
Made to Last
Farm fuel systems take a beating from dust, moisture, temperature swings, and the constant vibration of field work. This bleed screw is built with materials that resist corrosion from modern diesel fuel formulations, including biodiesel blends and fuel additives that can be tough on inferior components. The precision threading maintains proper sealing pressure while allowing smooth operation season after season.
Good to Know
This is your go-to bleed screw for the main fuel system components where larger volumes of air need to be purged. Always use it with the proper washer to prevent dangerous fuel leaks. When bleeding your system, work from the tank toward the engine, and have the engine cranking or running when bleeding the final components. Keep a spare in your toolbox—these can get damaged during field repairs, and you don’t want to be stuck with a tractor that won’t run because of a $5 part.






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