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Heavy-Duty Fleet & Commercial

Clutch Slave Cylinders

Achieve flawless clutch disengagement by sourcing your Clutch Slave Cylinder hardware based on the original casting number. Whether you need a traditional external hydraulic unit or a concentric internal slave cylinder configuration, matching the cast number is the definitive way to ensure bore diameters, mounting footprints, and cylinder strokes are 100 percent accurate. We only supply reliable units that meet the high-quality assurance parameters of Bexar Pro Components. Zero doubt fitment. Identify your slave cylinder by its verified casting number and secure reliable clutch release today.

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🛑 CRITICAL: Verify Specifications

Hydraulic fluid bypass and complete line leakage can occur if replacement metrics deviate from original manufacturer blueprints. Before processing your order or completing checkout, verify housing dimensions, mounting bolt space, and connection paths against these core specifications:

  • Bore Diameter: Cross-check original metrics, ensuring exact matching configurations (such as a standard 1-inch bore size or alternative metric setups) to manage fluid volume displacement.
  • Pushrod Seat Depth: For external metal hardware units, ensure the inner pushrod seat pocket depth matches your original configuration exactly to prevent shifting lag.
  • Application Sourcing: Our inventory is balanced to support heavy-duty automotive applications and medium-duty commercial fleet configurations, ensuring reliable transit performance under severe load.
  • Companion Repair Kit: Check linked overhauls for a companion seals kit to completely refresh the hydraulic link layout during part changeovers.

Verified Housing Castings Reference

Always match block data tags before unbolting high-pressure fluid lines. Locate your replacement cylinder assemblies fast using our high-visibility casting benchmarks:

  • VERIFIED BLOCK CASTING ID MAP: CSC-BEXAR-78219
  • COMPANION HYDRAULIC SLAVE REPAIR OVERHAUL KIT: RK-CSC-300-PRO

Expert Installation & Field Note

Our shop experience specializing in heavy-duty brakes since 1985 has taught us that close enough is never enough with clutch hydraulics. When replacing an external slave cylinder, always check for precise pushrod alignment. Severe pushrod misalignment is the primary cause of cylinder side-loading, which scores the inner metal bore and destroys the internal rubber cup seals within days. For professional results and fleet reliability, always verify your casting stamp details before ordering.

Direct technical replacements for medium-duty trucks, over-the-road vehicles, and commercial fleet lines. Find your fit fast.

✓ High-Pressure Flow Balancing
✓ Heavy-Duty Fleet Reliability
✓ Master Sourcing Support Since 1985