Description

1142 030 2009 STIHL Piston 52 mm (Genuine OEM Part)

The STIHL 1142 030 2009 is a genuine OEM 52 mm piston designed to deliver reliable compression and power output within the cylinder on compatible STIHL chainsaws. This piston is a critical engine component that transfers combustion force to the crankshaft, supporting efficient performance and smooth engine operation.

Manufactured to STIHLs original equipment specifications, this piston is precision-machined from high-strength aluminum alloy to withstand high temperatures, combustion pressure, and continuous high-RPM operation. Using a genuine STIHL piston ensures correct fit, proper compression, and long service life.

Product Details

Manufacturer Part Number: 1142 030 2009
Brand: STIHL
Part Type: Piston
Diameter: 52 mm
System: Engine / Cylinder assembly
Function: Transfers combustion force to the crankshaft
Material: High-strength aluminum alloy
OEM Status: Genuine STIHL OEM replacement

Function

Provides proper compression within the cylinder
Transfers combustion energy to the crankshaft
Supports smooth and powerful engine operation
Maintains factory engine performance specifications

Compatible With STIHL Chainsaws

MS 462 (Cylinder, Muffler)
MS 462 C-M
MS 462 C-M R
MS 462 C-M R Rescue
MS 462-R

How Its Used

This piston installs inside the cylinder and connects to the crankshaft via the connecting rod. It moves vertically during engine operation, compressing the fuel-air mixture and transferring combustion force to drive the chain.

Proper installation, correct ring orientation, and adherence to STIHL service specifications are essential.

Suggested Maintenance

Replace piston during top-end engine rebuilds
Inspect piston rings and cylinder for wear or scoring
Ensure correct lubrication during assembly
Replace piston if compression loss or engine damage is present

The STIHL 1142 030 2009 Piston 52 mm is used in OEM-specified engine applications where durability, correct compression, and reliable performance are essential.