Part number lookup
21W-03-31110 Replacement Parts
Cross-reference and compare 1 replacement listing for OEM / aftermarket part number 21W-03-31110. 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 Engine 4D102 Excavator PC75UD-3 PC75UU-3 Water Tank Engine Radiator Core ASSY 21W-03-31110
- Model: PC75UD-3 PC75UU-3 See Details: PC75UD-3 S/N 15001-UP EXCAVATORSPC75US-3 S/N 16307-UP EXCAVATORSPC75UU-3 S/N 15001-UP EXCAVATORSPC75UU-3 S/N 15001-UP EXCAVATORS
- Komatsu · Komatsu Excavator PC75UD-3 PC75UU-3
Frequently Asked Questions
What parts replace OEM number 21W-03-31110?
This page lists 1 replacement listing indexed under 21W-03-31110. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 21W-03-31110?
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 21W-03-31110 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.