JOST KIT-FIFTH WHEEL MAJOR REBUILD KIT Cat Tools helping to protect the steering

helping to protect the steering system and ensure consistent hydraulic performance

This Cummins oil fill tube is engineered for ISX and QSX engine models

this filter helps extend equipment life and reduces maintenance needs by supporting optimal hydraulic performance

This rear suspension spring bracket is compatible with Peterbilt and Kenworth vehicles featuring low air leaf suspension systems

high beams/dimmer

JOST KIT-FIFTH WHEEL MAJOR REBUILD KIT Cat Tools helping to protect the steeringThe JOST Kit Fifth Wheel Major Rebuild Kit provides all essential components for comprehensive maintenance and restoration of fifth wheel assemblies. Engineered to meet OEM standards, this kit ensures precise fit and reliable performance, enhancing coupling safety and durability. Ideal for professional technicians, it supports extended service life and optimal functionality of fifth wheel systems under demanding conditions.