Premium 4D105-3 Excavator Engine Overhaul Kit - the ultimate solution for restoring peak performance, reliability, and durability to your Komatsu 4D105-3 engine. This comprehensive overhaul rebuild kit contains all essential components needed for a full 4D105-3 engine rebuild, eliminating the hassle of sourcing individual parts and minimizing equipment downtime.
Engineered specifically for heavy-duty construction and excavation applications, our 4D105-3 overhaul kit meets or exceeds OEM specifications, ensuring perfect fit and long-lasting performance for your Komatsu excavator. Each component aligns with genuine Komatsu engine parts standards, delivering the reliability needed for heavy-duty operations.
Engine Models: 4D105-3, 4D105-3C, 4D105-3D, 4D105-3G, 4D105-3J, 4D105-3L, 4D105-3S, S4D105-3B, S4D105-3C, S4D105-3D, S4D105-3H, S4D105-3J, S4D105-3K
Equipment Models: D31A-16, D31P-16, D31Q-16, D31S-16, D31S-16A, D37P-1, D40A, D40P-1, D45A
| Component Name | OEM Part Number | Quantity | Material | Compatibility |
|---|---|---|---|---|
| Overhaul Gasket Set | 6130-32-1101, 6130-32-1102 | 1 Set | High-Temperature Resistant Rubber & Metal | 4D105-3 Series Engines |
| Main Bearing Set | 6130-21-8010, 6130-21-8500 | 1 Set | High-Strength Alloy Steel | 4D105-3, S4D105-3 Series Engines |
| Connecting Rod Bearing Set | 6130-31-3041 | 1 Set | Chrome Plated Alloy | 4D105-3 Series Engines |
| Piston Set (Standard Size) | 6130-32-2110 | 4 Pcs | Aluminum Alloy | 4D105-3, S4D105-3 Series Engines |
| Piston Ring Set | 6130-31-2410, 6130-31-2510 | 4 Sets | Cast Iron & Steel | 4D105-3 Series Engines |
| Cylinder Liner (Semi-Finished) | 6130-32-2302, 6130-32-2301 | 4 Pcs | Cast Iron | 4D105-3, S4D105-3 Series Engines |
| Thrust Bearing | 6130-31-3130 | 1 Set | Alloy Steel | 4D105-3 Series Engines |
We prioritize quality and reliability, with each component undergoing rigorous inspection and testing to meet OEM standards. Our 4D105-3 engine rebuild kit offers a cost-effective alternative to genuine Komatsu 4D105-3 parts without compromising on quality, helping reduce maintenance costs while extending your excavator's service life.
As a trusted Komatsu engine parts supplier, we provide fast delivery and responsive customer support, ensuring you get the 4D105-3 overhaul parts needed to keep your equipment running smoothly.
