Part number lookup
3D84E-3A Replacement Parts
Cross-reference and compare 5 replacement listings for OEM / aftermarket part number 3D84E-3A. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
5 Matching Products
KomatsuConnecting Rod YM729402-23100 for Komatsu 3D84 3D84E 4D84 4D84E 4D88 4D88E Engine$163.37
YanmarCrankshaft 129001-21100 for Yanmar 3TNE84 3TNE84C 3TNE84T 3TNE84D Engine$790.72
YanmarExhaust Valve 3 Units 1 Set YM129100-11130 For Yanmar Engine 3TNE84 3TNE84T Komatsu Engine 3D84E$68.56
KomatsuFuel Filter YM129100-55650 for Komatsu Engine 3D78 3D84 3D84E Excavator PC25-1 PC28UU-2 PC30-7 PC35R-8 PC40-7 PC45-1 PC50FR-1 PC58SF-1$6.00
KomatsuOil Pump YM129150-32000 for Komatsu Engine 3D78-1 3D84-2 3D84E-3 3D84N-2 4D84-2$140.09Part Numbers and Cross References
YM729402-23100729402-231003D84-2D00292-UP3D84-2E3D84-2GA3D84E-3A3D84E-3B3D84E-3C3D84E-3D3845-UP3D84E-3E129001-21100Y129001-211003TNE843TNE84C3TNE84T3TNE84D3D84E3D84E-1FB3D84E-2FB3D84E-3FYM129100-11130One3D84E-5X-ABS3D84E-3A3D84E-3K3D84N-2AAYM129100-556503D78-1C3D78-1D3D78-1E3D78-1F3D84-2AYM129150-320003D78-1A3D84E-3P
Applications and Fitment Summary
- Part Number
- Yanmar Engine 3TNE84 3TNE84T Komatsu Engine 3D84E Exhaust Valve 3 Units 1 Set YM129100-11130
- Engine: Yanmar Engine 3TNE84 3TNE84T Komatsu Engine 3D84E Including: Exhaust Valve*3 Details: KOMATSU ENGINE 3D84E-1FB 3D84E-3F 3D84E-5X-AB S3D84E-3A 3D84E-2FB 3D84E-3K 3D84N-2AA 3D84E 3D84E-3A 3D84E-3LN S3D84E-3C 3D84N 3D84E-3B 3D84E-FX-AB S3D84E-3B S3D84E YANMAR ENGINE 3TNE84 3TNE84T
Frequently Asked Questions
What parts replace OEM number 3D84E-3A?
This page lists 5 replacement listings indexed under 3D84E-3A. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 3D84E-3A?
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 3D84E-3A 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.