Description
When you start noticing diesel weeping around your injection pump or catch a whiff of fuel fumes in the cab, it’s usually a worn o-ring that’s the culprit. These aren’t just generic O-rings from the hardware store—this little seal keeps fuel where it belongs and prevents dangerous leaks right above your hot engine. A simple replacement now saves you from bigger problems down the road.
What You’re Getting
- Specifically sized and made from fuel-resistant materials designed to handle the pressure and chemical exposure inside your injection pump
- Heat and fuel-resistant compound that maintains its seal even after thousands of hours of operation in the harsh environment around injection systems
- Direct replacement seal that eliminates guesswork and fits like the original
- High-quality rubber seals resistant to diesel fuel and heat for long-lasting performance
Built for Real Farm Work
This o-ring is designed for New Holland T4, T5, T6, and T7 series tractors—the workhorses you depend on for everything from hay operations and loader work to row crop farming and heavy field operations. Whether you’re running a compact T4 for utility tasks or operating a big T7 for demanding field work, proper fuel system sealing keeps these machines running reliably through long seasons.
Made to Last
Injection pump seals live in one of the toughest spots on your tractor—exposed to high-pressure diesel fuel, extreme temperatures, and constant vibration. The high-quality rubber seals resist diesel fuel and heat, standing up to the temperature swings and constant vibration that farm equipment dishes out.
Installation Notes
Replacement is straightforward but requires cleanliness—even a tiny speck of dirt can damage your pump or cause poor running, so work in a clean area. Remove the old o-ring carefully to avoid scratching the sealing surfaces and clean the housing thoroughly before installing the new ring. A little diesel fuel on the new o-ring helps with installation and ensures proper seating.
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