Oil Pump Drive Gear for Ford 8N NAA 600 and Early 2000 4000 Series Tractor Engines

Description

When you start hearing that telltale clatter from the oil pump or notice oil pressure dropping on your old Ford tractor, this little gear is often the culprit. The oil pump drive gear takes a beating transferring power from the crankshaft to your oil pump, and after years of service, the teeth wear down or the half-moon drive slot gets sloppy. This replacement gear gets your oil system back to building proper pressure so you can keep working without worrying about engine damage.

What You’re Getting

• Precise 3/4″ width matches factory specifications for reliable fit and operation
• Half-moon keyway slot ensures positive engagement with the crankshaft drive
• Heat-treated steel construction stands up to the constant stress and wear
• Direct replacement design fits like the original without modifications needed

Built for Real Farm Work

This gear is engineered for the workhorse Ford tractors that built American agriculture—the legendary 8N, NAA Golden Jubilee, and early 600 series tractors. These are the machines that plowed fields, pulled implements, and ran belt-driven equipment from dawn to dusk on farms across the country. Whether your tractor’s running a brush hog, operating a hay baler, or powering the saw mill, this gear keeps the oil flowing where it needs to go.

Made to Last

Farm engines work hard, and this gear is built to handle the punishment. The steel construction and proper heat treatment ensure it’ll mesh smoothly with your oil pump and transfer power reliably season after season. Quality manufacturing means the teeth stay sharp and the half-moon slot maintains its grip on the crankshaft drive.

Good to Know

Installation requires dropping the oil pan and pulling the oil pump, so it’s a good time to check your oil pump condition and replace the oil pan gasket while you’re at it. Make sure the half-moon slot on your crankshaft isn’t worn—a sloppy fit here will cause premature gear failure. Clean all the old gasket material thoroughly before reassembly to prevent leaks.