This is the hydraulic hose tension pulley on the Century 300 Express, EB4 Express, and Challenger 4300 Express Series by Miller Industries. See Brochures for part schematics and Features for related parts and to see what models this fits.
Related Parts:
Hose Tension Spring (12-0303521)Hose Tension Track Cover (12-0713937)Hose Pulley Bracket (12-0803135)
Fits:Century Express 300 Series (03/1998 - Current)Century EB4 Express (03/1999 to Current)Challenger Express 4300 Series (03/1998 - Current)Product Dimensions: 4.8"L x 4.8"H x 2.12"HInside Diameter: .32"Outside Diameter: 4.8" and 4"