PISTON KIT 1127 030 2003 for Stihl 029 MS290 46mm

This Piston Kit is a replacement piston assembly compatible with Stihl 029 and MS290 chainsaws and matches OEM Part# 1127 030 2003.

Product Overview

This 46mm piston kit is a direct replacement for Stihl 029 and MS290 chainsaws, restoring compression and engine performance. Designed for professional and homeowner use, it includes the piston, rings, and wrist pin needed for a complete top-end rebuild. The 46mm bore ensures proper fitment and reliable power output.

Key Features & Performance

• Precision-machined 46mm piston with high-strength aluminum alloy
• Includes piston rings and wrist pin for a complete kit
• Matches OEM specifications for Stihl 029 and MS290 models
• Restores engine compression and reduces oil consumption
• Durable construction withstands high operating temperatures

Fitment & Compatibility

• Stihl 029 chainsaw
• Stihl MS290 chainsaw

Common Uses

• Replacing a worn or damaged piston in a Stihl chainsaw
• Rebuilding the top end of a Stihl 029 or MS290 engine
• Restoring chainsaw performance after a seizure or scoring
• Performing preventative maintenance on high-hour saws

Technical Specifications

• Part Number(s): 1127 030 2003
• Bore Diameter: 46mm
• Material: Aluminum alloy with cast iron ring
• Kit Includes: Piston, piston rings, wrist pin, circlips

Frequently Asked Questions

Q: Will this piston kit fit a Stihl MS310? A: No, this kit is specifically designed for the Stihl 029 and MS290 with a 46mm bore; the MS310 uses a different piston size.

Q: Do I need to replace the cylinder as well? A: It depends on cylinder condition; if the cylinder wall is scored or out of round, it should be replaced or reconditioned for proper sealing.

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