Description
Overview:
The Cylinder with Piston 34 mm (1.34 inches) is a genuine Stihl replacement part for restoring the top-end of your petrol leaf blower's two-stroke engine. Built with high-quality metal construction and precision-machined surfaces, it is designed to maintain correct compression, heat transfer, and port alignment for reliable running. This assembly is intended for Stihl handheld blowers, including the BG 56 and BG 66, providing an accurate fit that helps return your machine to dependable performance. The OEM specification ensures compatibility with the original crankcase and associated components, reducing setup issues and helping to keep emissions, fuel use, and starting behaviour consistent with factory standards. Manufacturer Part Number (MPN): 4241 020 1201.
Key Features:
- Genuine Stihl part for assured fit and quality
- 34 mm (1.34 inches) bore for correct compression and performance
- Precision-machined cylinder and piston surfaces for smooth operation
- Direct-fit for listed Stihl blowers to minimise downtime
- Durable construction to withstand heat and friction in regular use
- Helps restore power, throttle response, and starting reliability
- Manufactured to OEM tolerances for correct port timing and sealing
- Suitable for competent DIY or professional installation with standard tools
- Supports long service life when paired with correct oil mix and filtration
- Backed by Stihl's component design for consistent, repeatable results
Typical Applications:
Used to replace a worn, scored, or damaged cylinder and piston on Stihl handheld leaf blowers in domestic, professional landscaping, groundskeeping, and site maintenance. Ideal when compression has dropped, starting has become difficult, or performance has noticeably reduced, helping to restore efficiency and extend machine life.
Also known as:
Cylinder kit, piston and cylinder assembly, barrel and piston, top-end assembly, blower cylinder, engine cylinder kit for handheld blowers.
Fits Models:
BG 56, BG 66, BG 66 C, BG56, BG66, BG66C
Alternate Part Numbers:
4241-020-1201, 42410201201
