P503 Ryobi Circular Saw - Parts
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Spring Knob Bolt
Part #681230001
This is an authentic Ryobi replacement part. The spring is found in several models of Ryobi circular saw and tile saw. This part is made of metal, and is used to provide tension for the edge guide knob. No tools are required when replacing this item. Simply remove the edge guide knob and washer to replace the old part with the new. This item is sold individually.
Torsion Spring
Part #6867201
This is an authentic replacement part, sourced from the original manufacturer for use with circular saws from Ryobi and Ridgid. The metal torsion spring connects to the upper and lower guards and is used to return the lower guard to cover the blade after the cut. This item is available as an individual replacement part.
Washer Plastic Flat Nylon
Part #691992001
This washer is a genuine Ryobi replacement part manufactured for use with circular, and wet saws. This special washer is often used with the depth selector knob on circular saws, the washer can have other applications. Please see model diagram for part location and use, this washer is sold individually.
SCREW M4 X 18MM
Part #660024051
Data Label
Part #940045143
Safety Spring
Part #672552001
Spindle Lock Button
Part #515950001
Housing Assembly
Part #200078032
Gear Box Assembly
Part #220043010
Motor & Pinion Assembly
Part #230163006
This is a Genuine replacement part that is sourced directly from Ryobi. The motor is manufactured for use with a circular saw and drives the blade and runs the machine. If the motor becomes overloaded it can cause it to fail and become damaged needing to be replaced. The motor is a high-quality component and is sold as an individual replacement part.
Switch Assembly
Part #270017249
Depth Adj Knob Assembly
Part #301124004
This is an original replacement part manufactured for use with Ryobi circular saws. This plastic knob is threaded and is used fasten and release the bolt that locks the depth selection. The knob is sold individually, please see model diagram for additional parts.