Zenith Carburetor Adjustable Main Jet Needle Power For Farmall/Ford Tractors – Replaces 14996, 14996A, 14992, 14992A, R03 (C71-21)

If you're tinkering with an old tractor carburetor, this Zenith adjustable main jet needle might be what you need.

It's designed for Zenith carburetors on Farmall and Ford tractors.

It replaces part numbers like 14996, 14996A, 14992, 14992A, and R03.

It's a new, old-school part.

This needle lets you adjust the fuel mixture for the main jet, which can help with performance and fuel economy.

The manufacturer part number is C71-21.

It's a genuine Zenith part.

If your tractor is running rich or lean at full throttle, adjusting or replacing this needle could smooth things out.

Made for tractors, simple and effective.