Maxiforce Impeller, Water Pump, 300/400 Series for John Deere R77388 JD10020 R4045 - Replaces OEM Number

R4045 - Replaces OEM Number RE592839

2555 - Replaces OEM Number 127138A1

70 (3 45/64) in 94 mm Bearing 2 Cap Diameter 1

lugbolts not included

Maxiforce Impeller, Water Pump, 300/400 Series for John Deere R77388 JD10020 R4045 - Replaces OEM NumberAftermarket Water Pump. Direct replacement for OEM R77388. Fits These Models John Deere Forage Harvester 5720 5730 5820 5830 John Deere Power Unit 6466A 6466D 6466T John Deere Tractor 8440 8640 OEM Cross Reference Numbers R77388 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.