GRACO Collar, Coupling, Rod, Pump - (SKU: 16U421) Essential for operator safety and

Essential for operator safety and convenience

Its main material is aluminum

Tighten connections firmly but do not over-tighten to avoid damage

Groundable acetal or polypropylene housing for safety

GRACO Collar, Coupling, Rod, Pump - (SKU: 16U421) Essential for operator safety andThe GRACO 16U421 is a collar coupling rod pump component designed for use in GRACO pumping systems. Its material is not specified in available sources, but it is intended to connect or secure rod pump assemblies within GRACO equipment, ensuring proper alignment and function of the pump mechanism. Key Features: Collar, Coupling, Rod, Pump 16U421 Designed for use with GRACO rod pump assemblies; specific models not listed Compact design (1. 2 x 1. 2 x 1.