Description:Part # 1L-9303 provides a compression spring for the selector valve ball check.Cat spring parts come in a variety of strengths and sizes to fit specific applications. Compression springs are helical designed springs for compression and tension whereby the spring gets compressed (shorter) as more weight is applied.Attributes:• Compression Spring• Inside Diameter: 9.65 mm (0.38 in)• Outside Diameter: 17.53 mm (0.69 in)• Free Length: 43.2 mm (1.70 in)• Springs meet or exceed current standards and material gradesApplication:Consult your owner's manual or contact your local Cat Dealer for more information.