11230302019 Piston Kit for Stihl 023 MS230 40mm

This Piston Kit is a replacement piston for Stihl 023, MS230, and MS 230 chainsaws, featuring a 40mm bore and matching OEM Part# 1123 030 2019.

Product Overview

This piston kit is designed to restore compression and power in Stihl 023 and MS230 chainsaws. The 40mm piston replaces OEM part number 1123 030 2019, providing a direct-fit repair for worn or damaged pistons. Ideal for chainsaw rebuilds, this kit includes the piston, rings, and wrist pin for a complete top-end overhaul.

Key Features & Performance

• Precision-machined 40mm diameter piston for Stihl 023 and MS230 models
• Replaces OEM part number 1123 030 2019 with exact specifications
• Includes piston, piston rings, and wrist pin for a complete kit
• Constructed from high-strength aluminum alloy for durability
• Restores engine compression and improves starting and cutting performance

Fitment & Compatibility

• Stihl 023 chainsaw
• Stihl MS230 (MS 230) chainsaw

Common Uses

• Rebuilding top end of Stihl 023/MS230 chainsaw engines
• Replacing worn or scored pistons to eliminate smoke and power loss
• Restoring a seized or low-compression chainsaw to working condition

Technical Specifications

• Part Number(s): 1123 030 2019
• Bore Diameter: 40mm
• Kit Includes: Piston, piston rings, wrist pin
• Application: Stihl 023, MS230

Frequently Asked Questions

Q: Does this piston kit come with a new cylinder? A: No, this kit includes only the piston, rings, and wrist pin; you will need to reuse or replace the cylinder separately if worn.

Q: Will this fit a Stihl MS250? A: No, this kit is specifically for Stihl 023 and MS230 models with a 40mm bore; MS250 uses a different piston size.

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