Multiquip EM274351 Seal Lube Box 3" Cylinder - OEM Replacement Part

The seal lube box provides critical sealing and lubrication for the 3-inch cylinder assembly in Multiquip concrete pumps, preventing material leakage at the manifold connection point and maintaining proper pump operation. This seal is essential for preventing separation and jamming caused by water leakage at coupling points, which is specifically noted in Multiquip service documentation as a common cause of operational issues during long-distance pumping or when handling stiff concrete mixes.

Leaking manifold seals or hose coupling gaskets compromise pump efficiency and can lead to concrete separation at the seal point, resulting in equipment downtime and costly cleanouts. Regular inspection and replacement of lube box seals ensures reliable performance across the full range of concrete mix designs, from wet to stiff consistencies, and maintains proper valve efficiency during extended pumping operations.

Compatible with the following Multiquip concrete pump models:

• LS-40/40TD/50TD
• LS-60TD
• LS300, LS300G, LS300GK, LS300P
• LS400/LS500
• LS450
• LS600, LS600P
• ST-45HRM

Genuine Multiquip OEM part, sold by an authorized dealer.