GRACO GCI® Series Black Output Spacer, .015 in³ (.25 cc) - (SKU: 134337) though the exact function is

though the exact function is not detailed in public listings

This pump is intended for use in industrial and commercial lubrication applications

Single roller compresses hose through full 360° rotation for consistent flow

Using genuine GRACO parts like the 19B636 ensures optimal performance

GRACO GCI® Series Black Output Spacer, .015 in³ (.25 cc) - (SKU: 134337) though the exact function isThe GRACO 134337 is a black output spacer designed for use with GCI Series injectors. It is typically made from durable materials suitable for industrial lubrication environments. Its primary function is to control the precise amount of grease dispensed per lubrication cycle in automatic lubrication systems, ensuring accurate and consistent lubrication for machinery. Key Features: Output Spacer Black, . 015 in (. 25 cc) Compatible with GCI Series