Part number lookup
3D78-1A Replacement Parts
Cross-reference and compare 3 replacement listings for OEM / aftermarket part number 3D78-1A. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
3 Matching Products
YanmarFuel Filter Assy 129100-55621 YM129100-55621 for Yanmar 4TNE88 Komatsu 3D78 3D84 3D84E 3D84N 4D84 4D88E S3D84 S3D84E Engine$136.52
YanmarFuel Filter Assy 129100-55621 YM129100-55621 for Yanmar 4TNE88 Komatsu 3D78 3D84 3D84E 3D84N 4D84 4D88E S3D84 S3D84E Engine$156.99
KomatsuOil Pump YM129150-32000 for Komatsu Engine 3D78-1 3D84-2 3D84E-3 3D84N-2 4D84-2$140.09Part Numbers and Cross References
Applications and Fitment Summary
- Part Number
- Engine Yanmar 4TNE88 3D78-1A S/N 00101-UP 3D78-1C S/N 00603-UP 3D78-1D S/N 01589-UP 3D78-1E S/N 02853-UP 3D78-1F S/N 01589-UP 3D84-2A S/N 00103-UP 3D84-2D S/N 00292-UP 3D84-2E S/N 00292-UP 3D84-2GA S/N 00292-UP 3D84E-3C S/N 00292-UP 3D84E-3P S/N 34797-UP 3D84N-2AA S/N 3845-UP 3D84N-2B S/N 26135-UP 3D84N-2C S/N 03250-UP 3D84N-2CA S/N 03250-UP 3D84N-2FA S/N 17493-UP 3D84N-2H S/N 03157-UP 3D84N-2K S/N 03157-UP 3D84N-2L S/N 25470-UP 4D84-2A S/N 00000-UP 4D84-2B S/N 00000-UP 4D84-2GA S/N 04595-UP 4D88E-3B S/N 00101-UP PC28UD-2 S/N 7001-UP PC28UG-2 S/N 7001-UP PC28UU-2 S/N 7001-UP S3D84-2B S/N 00101-UP S3D84-2BA S/N 3826-UP S3D84-2J S/N 05091-UP S3D84E-3A S/N 00101-UP SK07J-2 S/N SK07JF20001-Up
Frequently Asked Questions
What parts replace OEM number 3D78-1A?
This page lists 3 replacement listings indexed under 3D78-1A. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 3D78-1A?
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 3D78-1A 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.