6738-31-2111LK Liner Kit fit Komatsu
6738-31-2111LK Liner Kit fit Komatsu
6738-31-2111LK Liner Kit for Komatsu
The 6738-31-2111LK is a liner and piston kit for Komatsu excavators and wheel loaders equipped with SAA4D102E–SAA6D102E engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The kit is listed for the following Komatsu equipment models:
- PC220 — excavator
- PC270LC-6S — excavator
- PC290LC-6KS — excavator
- PC290NLC-6KS — excavator
- WA150 — wheel loader
- WA150PZ — wheel loader
- WA200PT — wheel loader
- WA320 — wheel loader
Application depends on the engine configuration installed in the machine. The listed engine range for this kit is SAA4D102E–SAA6D102E. Confirm the machine model and engine identification before installation.
Specifications
| Part type | Liner and piston kit |
| Equipment manufacturer | Komatsu |
| Equipment types | Excavators and wheel loaders |
| Applicable engine range | SAA4D102E–SAA6D102E |
| Kit part number | 6738-31-2111LK |
| Liner part number | 6736-29-2110 |
| Piston part number | 6738-31-2111 |
| Piston ring part number | 6738-31-2031 |
| Piston pin part number | 6731-31-2410 |
| Retainer part number | 6732-31-2420 |
Kit contents
The supplied kit is identified by the liner kit number 6738-31-2111LK and includes the components listed below:
- Liner, part number 6736-29-2110
- Piston, part number 6738-31-2111
- Piston ring set, part number 6738-31-2031
- Piston pin, part number 6731-31-2410
- Retainers, part number 6732-31-2420
The part numbers above identify the individual components associated with the kit. The available product data does not specify component dimensions, materials, thread parameters, mass, cylinder position, or additional seals and gaskets.






















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