Hydraulic Pump Description
This Hydraulic Pump is indexed for Part Number; Komatsu Bulldozer D31P-18 D31P-18A D31P-20 Work Equipment Pump 705-21-31020; Komatsu Bulldozer Models: D31P-18,D31P-18A,D31P-20,D31P-20A,D31PG-20A,D31Q-18,D31Q-20,D31S-18,D31S-20,D31SM-20,D37A-5,D37E-5,D37P-5A, D37PG-5A,DBM031-2D,DNH031-3K-D,DNH031-3K-E,DNH031-3L,DNH031-3M,DRT031-2H,DRT031-2J-E,DRT037-1B-E See Details: D31P-18 S/N 40001-UP D31P-18A S/N 40001-UP (Incl. DDK031-4K) D31P-20 S/N 45001-UP D31P-20 S/N 45001-UP (For China / Trimming Dozer) D31P-20 S/N 45001-UP (Straight Tilt Dozer) D31P-20A S/N 45001-UP D31PG-20A S/N 45001-UP D31Q-18 S/N 40001-UP D31Q-20 S/N 41001-UP D31S-18 S/N 40001-UP D31S-20 S/N 41001-UP D31SM-20 S/N 41001-UP D37A-5 S/N 3001-UP D37E-5 S/N 3001-UP D37P-5A S/N 1549-3000 & A1649-UP D37P-5A S/N 3001-UP D37PG-5A S/N 3001-UP DBM031-2D S/N 41001-UP (D31S/Q-20) DNH031-3K-D S/N 45001-UP (D31P-20A) DNH031-3K-E S/N 42001-UP (D31E-20) DNH031-3L S/N 45001-UP (D31P/PL/PLL-20/D31P-20T) DNH031-3M S/N 41001-UP (D31S/Q/SM-20) DRT031-2H S/N 41001-UP (D31S/Q/SM-20) DRT031-2J-E S/N 42001-UP (D31A/AM/E-20) DRT037-1B-E S/N 3001-UP (D37E/A-5); Komatsu s: Fit For Komatsu. Compare reference number 705-21-31020 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number 705-21-31020, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.
