GRACO Spacer, Pulley - (SKU: 189657)The GRACO 189657 SPACER, PULLEY is a mechanical component designed to maintain proper spacing and alignment of pulleys within GRACO equipment. Its material is not explicitly specified in available documentation, but similar GRACO pulley spacers are typically constructed from durable metals or engineered plastics for longevity and reliability. This part is intended for use in GRACO agitator and pump assemblies, ensuring smooth operation and preventing

particularly where quick and secure hose connections are required

Regularly clean and replace the inlet strainer to maintain pump performance and finish quality

This model features a stainless steel construction with a 1" NPT connection

and maintenance applications where reliable pump operation is required

It features a stainless steel tip (SST) and a lock ring fluid adjust knob for precise flow control

Modular air valve for easy servicing

Designed for GRACO high-capacity cylinder assemblies

likely for fluid control or distribution in industrial or maintenance applications

self-priming solution for consistent and steady flow

The kit is intended to restore pump performance and reliability by replacing critical wear components in the center section of the pump

Follow GRACO equipment manual guidelines for hose replacement and maintenance

BN (Butyl Nitrile) diaphragm