GRACO Packing O-Ring (158377) - (SKU: 158377)The GRACO 158377 is a packing O ring designed to provide a tight seal within GRACO equipment, preventing leaks and maintaining optimal performance. The material is not specified in available sources, but it is intended for use as a sealing component in various GRACO pump and spray systems. Key Features: Packing O Ring Designed for use in GRACO pump and spray equipment Ensures a tight seal to prevent leaks Maintains equipment performance Essential for

Regularly inspect the shield and surrounding components for signs of wear or damage

Used in spray foam insulation rigs and other GRACO fluid handling systems to recirculate fluids for preheating and priming

which is a critical part of GRACO’s positive displacement proportioner systems

Designed for use with GRACO mixing equipment

Regularly inspect the pulley for signs of wear

Replace as part of scheduled maintenance or when internal components are serviced

Complete kit with essential maintenance and repair parts (seals

Black painted finish for corrosion resistance and appearance

Ease of maintenance (typical for GRACO accumulator components)

The poppet valve is intended to regulate or control the flow of fluids within GRACO systems

Facilitates air control for the XL6500 air motor

Compatible with GRACO equipment requiring M style