Set Piston Kit 40 mm 1123-030-2003 Compatible with Stihl 021 023 MS210 MS230 Chainsaw

40mm Chainsaw Piston Kit: For common compact saws; Compatible with Stihl 021, Compatible with Stihl 023, Compatible with Stihl MS210, Compatible with Stihl MS230; check the 40mm bore before purchasing.
Replacement Piston Assembly: OEM part number 1123-030-2003 for reference; includes 40mm piston, 2 piston rings, 10mm wrist pin, 2 circlips; restores sealing surfaces when the original assembly is worn or scratched.
Aluminum alloy piston: helps restore compression and smoother running; precise 40mm crown and low-friction piston rings; 10mm wrist pin for a stable fit and proper break-in.
Chainsaw repair parts kit: ideal for rebuilding the top end after hours of cutting, for low power, smoke, or hard starting; Useful after lean mixing or overheating.
Home, garden, and forestry work: for firewood, land clearing, farm and ranch work, storm debris removal, and small logging; for DIY enthusiasts and small engine technicians.