Fits John Deere Combine: 6600 - Replaces OEM Numbers AH78887

3-CFPN6333D & 1-EBPN6337D

Direct replacement for OEM RG18846-30/30

30 degree exhaust valve face angle

Maxiforce Overhaul Engine Kit, Standard Pistons, .010" Main Bearings, .020" Rod Bearings, 45° Valve Seats, 1004.40T 45 Valve for Perkins OK473 f_Length_9-1/4 Inch Fits John Deere Combine: 6600Aftermarket Engine Overhaul Kit. Direct replacement for OEM OK473, OK445 10 20. Please verify fitment against your equipment's serial and engine casting numbers before ordering. Cross references are provided as a guide; the customer is responsible for confirming compatibility.