The 1 inch Crankshaft is the core moving part of your Koenders windmill compressor. It turns rotation into the reciprocating motion that flexes the diaphragm and makes air. A fresh crankshaft restores smooth, balanced operation and is a key part of a full compressor rebuild.

• 1 inch crankshaft for Koenders windmill compressors
• Drives the diaphragm to produce air
• Restores smooth, balanced running to a worn compressor