4221 020 1201 Piston Kit for Stihl 046 MS460 Replaces OEM 52mm

Product Overview

This piston kit is engineered for Stihl 046 and MS460 chainsaw engines, delivering the necessary compression and durability for professional cutting. Designed to replace OEM part 4221 020 1201, this 52mm piston kit is ideal for rebuilding worn or damaged chainsaw powerheads. The piston kit restores engine performance and extends the life of your Stihl saw.

Key Features & Performance

• Precision-machined 52mm piston for exact fit in Stihl 046/MS460 cylinders
• Includes piston rings, wrist pin, and circlips for a complete assembly
• Constructed from high-strength aluminum alloy for heat resistance and longevity
• Designed to meet OEM tolerances for reliable compression and reduced friction
• Compatible with both standard and high-output Stihl chainsaw models

Fitment & Compatibility

• Stihl 046 chainsaw
• Stihl MS460 chainsaw
• Replaces OEM part number 4221 020 1201

Common Uses

• Rebuilding Stihl 046/MS460 chainsaw engines after piston seizure or ring failure
• Performing top-end overhauls on professional-grade Stihl saws
• Replacing worn pistons to restore compression and power output

Technical Specifications

• Part Number(s): 4221 020 1201
• Diameter: 52mm

Frequently Asked Questions

Q: Does this piston kit come with the piston rings and wrist pin? A: Yes, the kit includes the piston, piston rings, wrist pin, and circlips for a complete replacement assembly.

Q: Will this piston kit fit both the Stihl 046 and MS460 models? A: Yes, it is designed to fit both the Stihl 046 and MS460 chainsaws interchangeably.

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