Part number lookup
3D78AE-3C Replacement Parts
Cross-reference and compare 8 replacement listings for OEM / aftermarket part number 3D78AE-3C. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
8 Matching Products
Komatsu116T Flywheel Gear Ring YM124550-21600 for Komatsu Engine 3D78 3D78N 3D84 4D88E S3D84 S4D84E$169.96
Komatsu3 Pcs Fuel Injector YM719810-53100 for Komatsu Engine 3D75-2D 3D75N-1YC 3D78-1E 3D78AE-3D Excavator PC20R-8$211.00
KomatsuAir Heater 129120-77501 for Komatsu Engine 3D75 3D78 3D84 3D88E 4D84 4D88E$190.00KomatsuAir Heater 129120-77501 for Komatsu Engine 3D75 3D78 3D84 3D88E 4D84 4D88E$282.75
YanmarCrankshaft 119813-21000 for Yanmar 3TNE78A Engine$973.16
KomatsuCylinder Head Gasket YM119818-01330 for Komatsu Engine 3D78AE-3 Excavator PC20R-8 PC27R-8$96.79
KomatsuFuel Filter Assembly YM119833-55621 YM119833-55620 for Komatsu Engine 3D78AE-3A 3D82AE-3C 3D82E-3B Excavator PC10-7 PC30FR-1 PC30FR-2$47.00
KomatsuTimer Glow Plug YM128300-77920 for Komatsu 3D78-1C 3D78-1D 3D78-1E 3D78-1F 3D78AE-3C 3D78AE-3A 3D78N-1C 3D78N-1E$66.97Part Numbers and Cross References
Y124550-21600124550-21600YM124550-216003D78AE-3A3D78AE-3C3D78N-1C3D78N-1E3D84-2A3D84E-3D3D84E-3E3D84E-5X-AB3D84N-2AAYM719810-531003D75N-1YC3D75-2C3D75N-2E3D78-1E3D78AE-3BWYYM719810-53100129120-77501YM129120-775013D75-2D3D78-1C3D78-1D3D78-1F3D78AE-3DYM119813-21000119813-210003TNE78AKomatsu00715-UP00101-UP02552-UP3D82AE-3C01208-UPYM119818-01330PC20R-8PC27R-8WYYM119818-01330YM119833-55621RYM11983355620YM119833-556203D82AE-3D3D82AE-3G3D82E-3APC30FR-1PC30FR-2WYYM119833-55621YM128300-7792000603-UP01589-UP02853-UP
Applications and Fitment Summary
- Part Number
- Yanmar · s: Engine: Yanmar 3TNE78A Komatsu Model: 3D78AE-3A S/N 00715-UP 3D78AE-3B S/N 00101-UP 3D78AE-3C S/N 00101-UP 3D78AE-3D S/N 02552-UP 3D82AE-3C S/N 01208-UP 3D82AE-3D S/N 00101-UP 3D82AE-3E S/N 04840-UP 3D82AE-3F S/N 04840-UP 3D82AE-3G S/N 04840-UP 3D82AE-3H S/N 04840-UP 3D82AE-3HB S/N 04840-UP 3D82AE-3HC S/N 04840-UP 3D82E-3A S/N 00101-UP 3D82E-3B S/N 00101-UP PC20R-8 S/N F30001-Up PC20R-8 S/N F30791-Up PC27R-8 DELUXE S/N F30671-Up PC27R-8 DELUXE S/N F31103-Up PC27R-8 S/N F30001-Up PC27R-8 S/N F31103-Up
- Komatsu · s: Komatsu Excavator: PC20R-8, PC27R-8
Frequently Asked Questions
What parts replace OEM number 3D78AE-3C?
This page lists 8 replacement listings indexed under 3D78AE-3C. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 3D78AE-3C?
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 3D78AE-3C 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.