7.3 Powerstroke Crankshaft Front Main Seal | Ford F4TZ-6700-A

Stop the oil leak at the front of a 7.3 Powerstroke crank. Ford F4TZ-6700-A is the genuine OEM front crankshaft / timing-cover oil seal for 1994–2003 7.3L Powerstroke engines. It seals the crank snout where it exits the front cover. A worn seal shows up as oil on the harmonic balancer, the cover, or the ground under the front of the engine.

Key features

• Genuine Ford OEM front crankshaft seal
• Direct replacement for the factory timing-cover seal
• Built to Ford specifications
• Drop-in fit on listed 7.3 Powerstroke engines
• Stops oil from leaking past the crank snout

Fitment

• 1994–1997 Ford F-250 / F-350 7.3L Powerstroke
• 1999–2003 Ford F-250 / F-350 / F-450 / F-550 Super Duty 7.3L Powerstroke
• 2000–2003 Ford Excursion 7.3L Powerstroke
• 1994–2003 Ford E-Series 7.3L Powerstroke

Also used on many 6.9L / 7.3L IDI diesels. Confirm the seal on the cover before ordering. Rear main seal is Ford F4TZ-6701-A.

What’s in the box

• Ford F4TZ-6700-A front crankshaft oil seal and wear sleeve

Notes & specs

• Brand/part number: Ford F4TZ-6700-A
• Also listed as: F4TZ6700A
• Other names: timing cover front seal, crankshaft oil seal assembly front
• Position: front
• Engine: 7.3L Powerstroke DI diesel
• Warranty: 2 Year

Clean the crank snout and cover bore, check the balancer for a groove, and use a proper seal driver. Do not cock the seal or run it dry. If a 1994–2003 7.3 Powerstroke is leaking oil at the front cover, Ford F4TZ-6700-A is the OEM front main seal for that engine.