The Heart of Your Pump: Understanding Pump Intake & Exhaust Valves & Their Failures At Master Tool Repair, we talk to customers every day who are frustrated by a compressor that just i … read more Mar 19, 2026 By Craig Coffey, Owner Technical; Review by Eric Trotman, 20-Year Air Compressor Expert
Boost Efficiency: The Benefits of Quick-Connect Couplings Have you ever found yourself wrestling with threaded fittings while trying to swap out air tools, lo … read more Mar 11, 2026 Craig Coffey, Owner; Technical Review by Eric Trotman, 20-Year Air Compressor Expert
Description Specifications Fits Models 0 Reviews Description Cast-iron replacement air compressor flywheel, 10" O.D. x 3/4" I.D. Includes the set screw and key. View AllClose Specifications 3/16" keyway 1/2" 4L, "A"-section vee groove View AllClose Product Fitment View AllClose 0 Reviews View AllClose