Protect your diesel engine’s oil system and extend service life with the Ford Motorcraft Front Main Seal (BC3Z-6700-A)—the OE choice for 2011–2019 Ford F-Series Super Duty and commercial trucks running the 6.7L Power Stroke. Designed specifically for the front crankshaft position, this seal ensures zero oil leakage and true crankcase sealing at the timing cover interface.
Built from advanced elastomers and tested for extreme heat and pressure cycles, Motorcraft’s seal resists hardening, leaking, and oil contamination—protecting key engine bearings and keeping oil inside the block where it belongs. A must for timing cover renewal, crankshaft service, and any high-mileage preventative maintenance plan. Guaranteed fit for all supported F-250, F-350, F-450, F-550 (2011–19), F-650, and F-750 (2016–19) with 6.7L Powerstroke engines.
Choose Motorcraft for trusted performance, reliability, and warranty support.
