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OP254 FAI OIL PUMP Replaces 1076978,1131092,978M6600A2E,978M660AIG,LP0294,ES1569FAI’s extensive range of oil pumps encompasses all common pump designs and drive types. The guide below is a brief explanation of the pumps seen throughout the range, which is often the differentiating piece of application data. Drive Types: Crankshaft Driven – Situated directly on the end of the Crankshaft, this design usually incorporates a cover which sits directly above the Sump. Chain Driven – With more modern vehicles being equipped with Timing Chains, the Oil Pump has followed this trend by being driven by a Chain system. Belt Driven – Equipped with a Pulley rather than a Sprocket, this design is driven by a Rubber Belt, much like a Water or Vacuum Pump. Intermediary Shaft Driven – Driven by an auxiliary source such as a Lanchester Unit or Balance Shaft, this is a compact design most commonly used in VW/Audi/Seat/Skoda Gear Driven Pump – Gear driven pumps include an intermeshing gear which are predominantly used on Heavy Duty Diesel applications. Shaft Driven Pump – Incorporating a drive shaft, this type of pump is usually driven off a Camshaft or Intermediary Shaft. These usually have a Spline or Slot fitment on the end of the shaft.