ZK6998H Clutch Master Cylinder 1604-00481 22.2mm Bore for Bus Truck Hydraulic Clutch System

ZK6998H Clutch Master Cylinder 1604-00481 22.2mm Bore

The ZK6998H Clutch Master Cylinder is a precision-engineered hydraulic component designed for bus and truck clutch systems. With a 22.2mm bore diameter, this master cylinder ensures reliable and consistent hydraulic pressure for smooth clutch engagement and disengagement in heavy-duty applications.

Key Features

• 22.2mm bore diameter for optimal hydraulic pressure output and responsive pedal feel
• Precision-machined cast iron body with corrosion-resistant coating for extended service life
• OE part number 1604-00481 direct replacement with exact fitment
• Wide compatibility with various bus and truck models
• Factory tested for leakage, pressure endurance, and seal integrity
• Built-in reservoir port for easy fluid level maintenance

Technical Specifications

Package Includes

1 x Clutch Master Cylinder Assembly

Why Choose This Product

As a direct replacement for OE 1604-00481, this clutch master cylinder meets or exceeds original equipment specifications. Each unit undergoes rigorous quality testing before shipment. We offer competitive pricing, fast delivery, and comprehensive after-sales support.