The 3037PAR – Rubber – Inc 1,2,3,61 Astro Pneumatic 3037 Pulley Assembly is a premium upgrade or replacement kit for the 3037 Astro Pneumatic Air Belt Sander (1/2” x 18”) with 3PC Belts (#36, #40 & #60). Featuring Astro?s wider rubber-coated roller and bracket, this assembly enhances performance and prolongs belt life by up to 40%. Ideal for replacing worn components, it ensures smooth operation and optimal sanding results.

The 3037PAR – Rubber – Inc 1,2,3,61 Astro Pneumatic 3037 Pulley Assembly is a complete 5-piece assembly that includes a roller, bearings, spacer, and screw, making installation simple and efficient. Compatible with the 3037 sander and its 3PC belts (#36, #40 & #60), this upgrade is perfect for extending the life of your sander and achieving professional-level sanding performance.