503869971 503869901 503899971 537095871 Cylinder Assembly for Husqvarna 350 351

Product Overview

This cylinder assembly is a direct replacement for Husqvarna 350 and 351 chainsaws, restoring compression and engine performance. Designed for DIY mechanics and professional technicians, it delivers reliable power and durability for demanding cutting tasks. The cylinder assembly ensures proper fuel combustion and extends the life of your chainsaw.

Key Features & Performance

• Precision-machined cylinder bore for optimal piston seal and compression
• Nickel-silicon carbide plated cylinder wall for extended wear resistance
• Includes piston, rings, and wrist pin for a complete top-end rebuild
• OEM-spec porting matches Husqvarna factory performance
• Drop-in ready – no modification required on compatible models
• Rigorous quality control ensures consistent fit and function

Fitment & Compatibility

• Husqvarna 350 chainsaw
• Husqvarna 351 chainsaw

Common Uses

• Replacing a worn or damaged cylinder on Husqvarna 350/351 chainsaws
• Restoring compression after excessive hours of use
• Repairing a seized engine due to lack of lubrication
• Rebuilding the top end during a full chainsaw overhaul

Technical Specifications

• Part Number(s): 503-86-99-71, 503869901, 503899971, 537095871
• Material: Aluminum alloy with nickel-silicon carbide coating
• Bore Diameter: OEM specification for Husqvarna 350/351
• Stroke: OEM specification for Husqvarna 350/351

Frequently Asked Questions

Q: Does this cylinder assembly come with piston rings installed? A: Yes, the piston rings are pre-installed on the piston and the assembly includes the wrist pin and circlips for a complete top-end kit.

Q: Is this cylinder compatible with the Husqvarna 345? A: No, this cylinder is specifically designed for the Husqvarna 350 and 351 models only – verify your saw’s model number before ordering.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.