Royal Enfield Oil Pump Discs and fixings Top quality, brand new, pair of Oil Pump Discs for Royal Enfield 350cc and 500cc Bikes Specification: Replacement for Part No. 112147 Pack includes the all that you will need to replace your part: The seals, the bolts and within the discs are, Disc Feed Pump (Part No. 140041), Plunger Feed Pump (Part No.140043), Plunger-Return Pump (Part No. 140044) and Disc Return Pump (Part No. 140042). Manufactured by an official OEM manufacturer