This Cylinder with Piston (37 mm bore / 1.46 inches) is a genuine Stihl replacement part designed to restore compression and power in small two‐stroke chainsaw engines. Built for the Stihl MS170 and MS170C, it replaces worn or damaged top-end components to bring the engine back to reliable running. The robust metal construction is precision cast and machined for correct port timing and a snug fit in the crankcase. As a Genuine Stihl Part, it is engineered to the original specification for efficient combustion, good heat transfer, and long service life. Identified by MPN 1130 020 1207, it is the straightforward choice when refurbishing the top end after scoring, loss of compression, or general wear on compact homeowner and light trade saws.

Key Features:
– Genuine Stihl OEM part for precise fit and dependable performance
– 37 mm bore (1.46 inches) matched cylinder and piston for correct compression
– Precision machining for accurate porting and reliable sealing
– Durable metal construction to withstand regular chainsaw use
– Helps cure hard starting, low power, and poor idle caused by worn top-end parts
– Designed specifically for MS170/MS170C to avoid compatibility issues
– Supplied to original specification for easy refit with standard workshop tools
– Stihl part reference MPN 1130 020 1207 for confident identification

Typical Applications:
Used during top-end rebuilds to restore performance after piston/cylinder wear, scoring, or seizure. Ideal when a chainsaw has reduced compression, poor starting, loss of power under load, or visible cylinder damage. Suitable for routine engine refurbishment on Stihl MS170-series saws used for pruning, firewood cutting, and light maintenance tasks.

Also known as:
Cylinder kit, barrel and piston, top-end kit, top-end rebuild kit, bore kit, jug and piston, chainsaw cylinder assembly, piston and cylinder set for Stihl 37 mm engines.

Fits Models:
017, MS 170, MS 170 C, MS170, MS170C

Alternate Part Numbers:
1130-020-1207, 11300201207

Product Specifications