1. Cummins QSB6.7 Piston:

A reciprocating component located inside the engine cylinder, transmitting force from expanding gas to the crankshaft. Installed in the Cylinder Block of a Komatsu PC300-8 Excavator.

2. Komatsu 6D102 Gasket Head:

A seal placed between the engine block and cylinder head, containing combustion pressure. Installed in the Engine Top Block of a Komatsu PC200-7 Excavator.

3. Caterpillar 320D Injector Nozzle:

A component that atomizes fuel and injects it into the combustion chamber. Installed in the Cylinder Head of a Caterpillar 320D Excavator.

4. Isuzu 6HK1 Liner Kit:

A cylindrical part pressed into the engine block, forming the bore for the piston. Installed in the Engine Block of a Hitachi ZX330-3 Excavator.

5. Kubota V3307 Flameout Solenoid:

An electric device that cuts off the fuel supply to stop the engine. Installed near the Fuel Pump/Engine Block of a Kubota KX080-3 Excavator.

6. Yanmar 4TNV98 Engine Bearing:

Crankshaft and connecting rod bearings that support rotating shafts and reduce friction. Installed in the Engine Block of a Yanmar ViO80 Mini Excavator.

7. Weichai WP10 Turbocharger:

A turbine-driven device that increases engine power by forcing extra air into the combustion chamber. Installed on the Exhaust Manifold of a Shantui SD16 Bulldozer.

8. Caterpillar C9 Pressure Switch:

A switch that opens or closes an electrical circuit based on reaching a set pressure level. Often installed in the Hydraulic System or Oil Circuit of a Caterpillar 330D Excavator.

9. Komatsu PC400-8 Radiator:

A heat exchanger used to transfer thermal energy from the engine coolant to the air. Installed in the Cooling System Compartment of a Komatsu PC400-8 Excavator.

10. Cummins B3.9-C Valve Seat:

A precisely machined surface in the cylinder head against which the engine valve seals. Installed in the Cylinder Head of a Sany SY75C Excavator.