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Cold Start Valve CW4090 $8.15

SENCO Air Compressor Parts Portable

Product Details
CW4090 - Cold Start Valve

Found under the following brands: Senco
Part Number: CW4090


Poor performance, or does air leak out of the intake air filter while the unit is running? This is probably the problem. Damaged/sticking valves is a common issue when you have low compression, and can also cause the motor/engine to stall and too much pressure in the pump’s crankcase. Be sure to clean the head and cylinder very well so as to remove all of the old gasket material and build-up (carbon and rust) when re-installing.

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This item fits the following models:

Air Compressor Parts - PC1131
Air Compressor Parts - PC1130

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