GRACO Pneumatic Grease Jockey Meter Module - Fifth Wheel, 8 Points - (SKU: 258248)The GRACO 258248 is a pneumatic metering module designed for use with Grease Jockey On Road Mobile Lubrication Systems. It is constructed for robust industrial use and intended to deliver precise grease lubrication to the fifth wheel and chassis of heavy duty vehicles, specifically for class 4, 5, 6, 7, and 8 trucks and tractors. The module is compatible with standard grease types and is engineered to ensure reliable, automatic lubrication with

Used in GRACO fluid handling and spray equipment systems where secure electrode mounting is required

Replace packing components at recommended intervals to prevent leaks and maintain efficiency

Control Enclosures Kit

Verify electrical supply matches pump specifications (240 VAC 1Ph)

Use the reversible tip feature to clear clogs

Regularly inspect and maintain diaphragm and fluid path components for wear and tear

Fluid transfer and metering of caustic

and fittings to securely attach and support the shelf assembly

Stall-free low pulsation air valve for smooth changeover

Quick-release bung adapter for easy drum removal without hose interference

It is constructed primarily from brass and is intended to regulate and meter lubricant flow within GRACO’s Thrif-T Luber low-pressure lubrication equipment

Maximum fluid pressure: 3800–4000 psi (26–28 MPa