Part number lookup
705-21-31020 Replacement Parts
Cross-reference and compare 1 replacement listing for OEM / aftermarket part number 705-21-31020. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
1 Matching Product
Part Numbers and Cross References
Applications and Fitment Summary
- 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
Frequently Asked Questions
What parts replace OEM number 705-21-31020?
This page lists 1 replacement listing indexed under 705-21-31020. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 705-21-31020?
Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.
Can I request a quote if 705-21-31020 is not an exact match?
Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.