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Product Information
Product Information
Front Crankshaft Seal.
The OE Match Front Crankshaft Seal is a premium-quality replacement engine sealing component designed to prevent engine oil from leaking where the crankshaft exits the front of the engine. Manufactured to OE specifications for fit, sealing performance and durability, this precision-engineered seal helps maintain correct engine oil pressure while protecting the timing drive and auxiliary belt components from oil contamination, ensuring reliable engine performance and long service life.  

Fits:
  • Porsche 957 Cayenne 3.0L Diesel 2007-10
  • Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
  • Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
  • Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
  • Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
  • Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18  

Diagram Ref No 30

Manufactured from premium oil-resistant fluoroelastomer (FKM) rubber with a precision-moulded sealing lip, integrated tension spring and reinforced metal outer casing, the front crankshaft seal is engineered to withstand continuous exposure to engine oil, high crankshaft speeds, elevated operating temperatures and repeated thermal cycling. Designed for direct OE-style installation, it provides a secure, leak-free seal, making it the ideal replacement during engine rebuilds, timing system servicing or preventative maintenance.  

What This Product Does:
  • Creates a leak-free seal around the front of the crankshaft.
  • Prevents engine oil from escaping the front crankshaft housing.
  • Maintains correct engine oil pressure and lubrication.
  • Protects the timing system and auxiliary drive components from oil contamination.
  • Prevents dirt, dust and moisture from entering the engine.
  • Supports reliable engine operation and longevity.
  • Restores factory sealing performance.
  • Forms an essential part of the engine lubrication system.

Symptoms Of Wear Or Failure:
  • Engine oil leaking from the front of the engine.
  • Oil residue around the crankshaft pulley or harmonic balancer.
  • Oil spots beneath the front of the vehicle.
  • Low engine oil level requiring frequent topping up.
  • Burning oil smell caused by oil contacting hot engine components.
  • Oil contamination of the auxiliary drive belt or timing components.
  • Visible cracking, hardening or deterioration of the seal.
  • Excessive oil consumption due to leakage.
  • Dirt and debris accumulating around the seal area.
  • Premature wear of belts caused by oil contamination.

Why Replacement Matters:

  • The front crankshaft seal operates under demanding conditions, continually sealing against the rotating crankshaft while exposed to hot engine oil, crankcase pressure, vibration and constant thermal cycling. Over time, the sealing lip naturally wears, while the rubber material can harden, shrink or crack, reducing its ability to maintain an effective seal.
  • A leaking front crankshaft seal can result in progressive oil loss and contamination of the auxiliary drive belt or timing system. Oil-contaminated belts can slip, deteriorate prematurely or fail unexpectedly, potentially leading to expensive engine repairs and vehicle downtime.
  • Replacing a worn or damaged front crankshaft seal restores the integrity of the engine lubrication system and protects surrounding components from oil contamination. The OE Match Front Crankshaft Seal is manufactured to OE standards using premium oil-resistant materials, providing factory-style fitment, exceptional sealing performance and long-lasting durability, ensuring the reliability, protection and performance expected from your Porsche.



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