Precision-Machined Hydraulic Cylinder Block

High-quality cast iron construction ensures superior durability and pressure resistance for demanding hydraulic applications. Sauer-compatible design guarantees seamless integration with PV42-28 piston pump systems.

Ultra-Smooth Fluid Channels

Computer-controlled CNC grinding creates optimized oil passages to minimize turbulence and maximize pump efficiency. Ideal for construction equipment, agricultural machinery, and industrial hydraulic systems.

Hardened Surface Treatment

Advanced heat treatment process extends service life by 40% compared to standard blocks. Perfect for high-cycle operations in excavators, loaders, and heavy-duty press machines.

Global-Standard Interchangeability

Manufactured to original equipment specifications with ±0.01mm tolerance for worry-free replacement. Trusted by hydraulic repair shops and OEM maintenance teams worldwide.

Bulk Purchase Advantage

Direct-from-factory pricing available for wholesale buyers seeking reliable hydraulic components at unbeatable value. Ships globally with full certification documentation.