Description
When you’re out in the field and notice oil pooling under your tractor or hear that grinding sound from your transmission, the problem might be simpler than you think. A cracked or damaged oil filler neck back end can let contamination in while letting precious fluid leak out. This replacement neck back end restores your transmission’s proper oil filling and sealing system, keeping your tractor running strong when there’s work to do.
What You’re Getting
- Precise fitment that seals tight against the transmission housing – no more leaks
- Heavy-duty construction that handles the heat and pressure inside your transmission
- Direct replacement design that bolts right in without modifications or adapters
- Factory-quality specifications that match your original equipment exactly
Built for Real Farm Work
This back end section fits the oil filler neck on a wide range of John Deere tractors from the 6000 series utilities through the powerful 6020 series row-crop machines. Whether you’re running a compact 6100 for loader work or pushing a big 6920 through spring planting, this part keeps your transmission properly filled and sealed. These tractors power everything from hay operations to grain farms, and they all depend on clean, properly contained transmission oil.
Made to Last
Farm transmissions run hot and work hard, which means every seal and connection takes a beating. This oil filler neck back end is built from materials that resist cracking from temperature changes and hold up to the vibration that comes with heavy field work. It maintains a tight seal even after thousands of hours of operation, protecting your expensive transmission internals from dirt and moisture.
Good to Know
This is the back section of the oil filler neck assembly – if you’re replacing the whole setup, you’ll also want the dipstick cap (part 59361). Clean the mounting surfaces thoroughly before installation and use a light coating of sealant if your service manual recommends it. The threads should go together smoothly – if you’re forcing it, stop and check the alignment.






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