Part number lookup
4D84-1 Replacement Parts
Cross-reference and compare 2 replacement listings for OEM / aftermarket part number 4D84-1. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
2 Matching Products
Part Numbers and Cross References
Applications and Fitment Summary
- Komatsu · for: Komatsu Engine 4D84-1 Excavator PC40
- Komatsu · s: for Forklift Excavator LOADER Item includes: 1 set Full gasket set 4pcs Piston 4pcs Piston Pin 8pcs Snap Ring/Clips 1 set Piston Ring for 4 Pistons,STD size 4pcs Con-rod Bush STD size. 1set Main bearing STD ( If you want 0.25 or 0.50 size, please contact us. otherwise , we will deliver STD size) 1set Rod bearing , STD size. ( If you want 0.25 or 0.50 size, please contact us. otherwise , we will deliver STD size) 1set Thrust Washer, STD size. 1set Camshaft Bush , STD size. 4pcs Intake valve, 4pcs Intake valve seat 4pcs Exhaust valve, 4pcs Exhaust valve seat 8 Pcs Valve Guides
Frequently Asked Questions
What parts replace OEM number 4D84-1?
This page lists 2 replacement listings indexed under 4D84-1. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 4D84-1?
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 4D84-1 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.

