Adjustment Knob #058D9B

Old Part Numbers: S137-0001

Air pressure knob for belt-driven air compressors. Replace if broken or cracked. Make sure your spring is still there under the knob. 

This part is only the knob. If you need the complete kit order the SquareOvhKit.

• The manifold plastic air compressor regulator valve knob fit for Sanborn, Craftsman, Coleman, Power Mate, and Industrial Air compressors
• The internal thread in the replacement knob is approximately 1 1/4 inches in diameter, making it your perfect replacement part
• Made of high-quality ABS material, heat-resistant and shock-resistant, sturdy and durable, it has undergone strict quality inspection before leaving the factory to ensure stable performance and longer service life