Description
Overview:
This Cylinder Gasket 0.5 mm is a genuine Stihl OEM part for petrol chainsaws, providing the critical seal between the cylinder and crankcase on two‐stroke engines. Made from a durable, fuel‐ and heat‐resistant fibre/composite gasket material, it helps maintain correct crankcase pressure and compression, preventing air and oil leaks that can lead to poor running or engine damage. The 0.5 mm thickness sets the correct base height and supports reliable performance after a top‐end service or rebuild. Designed specifically for the Stihl 044 and MS 440, it offers an exact fit with factory‐cut ports and stud holes for straightforward alignment. Genuine Stihl part, MPN 1128 029 2301, for dependable sealing and consistent operation.
Key Features:
- Genuine Stihl OEM gasket for exact fit and reliability
- 0.5 mm thickness for correct cylinder base height and stable compression
- Fuel, oil and heat‐resistant composite material for long service life
- Precision‐cut openings for clean alignment with ports, studs and oil passages
- Helps prevent air leaks that cause lean running, hard starting and loss of power
- Supports smooth idle, consistent tuning and proper lubrication
- Ideal for top‐end rebuilds, piston/ring replacement and leak repairs
- Straightforward installation with standard hand tools (clean, dry mating faces recommended)
Typical Applications:
Used during cylinder removal/refit, piston and ring replacement, de‐coking, or when diagnosing and fixing base gasket leaks. Common in forestry, arborist work, grounds maintenance and farm use where Stihl 70-80 cc professional saws are maintained for dependable cutting performance.
Also known as:
Cylinder base gasket, base gasket, barrel gasket, crankcase‐to‐cylinder gasket, engine base seal, cylinder sealing gasket.
Fits Models:
044, MS 440, MS440
Alternate Part Numbers:
1128-029-2301, 11280292301
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