Front Crankshaft Oil Seal (P5AT / P4AT) – Fits Ford Ranger, Everest & Mazda BT-50 – 3S7Q-6700-AB

Front Crankshaft Oil Seal – 3S7Q-6700-AB

Premium front crankshaft oil seal designed for Ford and Mazda 2.2 L (P4AT) and 3.2 L (P5AT) Duratorq TDCi diesel engines. This seal fits at the front of the crankshaft behind the harmonic balancer and prevents engine oil leaks from the timing cover area. Built to OEM specifications for a perfect fit and long service life.

Part Numbers & Cross-References

• Ford Part Number: 3S7Q-6700-AB
• Alternate Formats: 3S7Q 6700 AB · 3S7Q6700AB
• Supersessions / Equivalents: YC1Q-6700-AD, 1357993 (verify for your engine code)

Vehicle Fitment

Suits the following models fitted with P4AT (2.2 L 4-cyl) and P5AT (3.2 L 5-cyl) Duratorq TDCi diesel engines:

• Ford Ranger PX / PXII / PXIII – 2.2 L & 3.2 L TDCi diesel (2011 – 2022)
• Ford Everest – 3.2 L TDCi diesel (2015 – 2022)
• Mazda BT-50 UP / UR – 2.2 L & 3.2 L diesel (2011 – 2020)

Not suitable for older WL-series 2.5 L engines (pre-PX Ranger / BT-50 2006–2011).

Specifications

• Position: Front crankshaft (timing cover side)
• Material: Viton / FKM high-temperature elastomer
• Type: Radial lip seal with spring tensioner
• Function: Prevents oil leaks from crank nose and timing cover junction

Includes

• 1 × Front crankshaft oil seal (3S7Q-6700-AB)

Installation Tips

• Clean the crankshaft snout and seal bore thoroughly before installation.
• Press in squarely using a seal driver or installer tool – avoid hammer blows directly on the seal.
• Lightly oil the inner lip; keep outer surface dry unless specified otherwise by OEM manual.
• Verify pulley bolt torque and replace any single-use bolts during reassembly.

Signs of a Leaking Front Seal

• Oil mist around crank pulley / harmonic balancer
• Oil spray on drive belt or timing cover
• Burnt oil smell after driving or visible drip under engine front

Warranty & Support

Backed by our fitment support and standard parts warranty. Provide your VIN or rego before purchase and we’ll confirm the correct seal for your Ranger, Everest or BT-50.

Keywords: front crankshaft seal, front main seal, 3S7Q6700AB, 3S7Q-6700-AB, P5AT, P4AT, Ford Ranger, Everest, Mazda BT-50, Duratorq TDCi, crank oil seal, crankshaft seal Ranger BT50 Everest