The Craftsman KK-4275 Reed Valve Kit is a comprehensive cylinder head service kit for Craftsman and compatible oil-free, belt-driven air compressors from 550W to 1500W. This complete kit includes intake and exhaust reed valves, aluminum valve plates, cylinder head gaskets, and mounting hardware for a full rebuild.
Designed for the high-speed reciprocating action of oil-free compressors, the stainless steel reed valves offer excellent fatigue resistance and reliable sealing. The complete kit format simplifies maintenance by providing all necessary components in one package.
| Attribute | Specification |
| Compressor Type | Oil-Free Belt-Driven Air Compressor |
| Compatible Power | 550W, 750W, 1100W, 1500W |
| Kit Type | Intake + Exhaust Valve Plate Set |
| Reed Material | Stainless Steel |
| Valve Plate Material | Aluminum Alloy |
| Kit Contents | Reeds, Plates, Gaskets, Screws, Washers |
Q: Will this kit fit my specific Craftsman compressor model?
A: This kit is designed for oil-free, belt-driven compressor pumps from 550W to 1500W. Please verify your compressor type and wattage before ordering. Contact us with your model number for compatibility confirmation.
Q: How difficult is the installation?
A: Installation is straightforward for anyone with basic mechanical skills. The kit includes a step-by-step installation guide with torque values and alignment tips.
Q: What are the symptoms of worn reed valves?
A: Common symptoms include longer pump-up time, inability to reach rated pressure, continuous running without building pressure, and oil carryover in the air output.