The expansion bolt K 34129 is a specialized fastening component designed to secure the piston skirt within the operating piston assembly of the Sulzer ZV40/48 engine. Its primary function is to provide a strong, vibration-resistant mechanical connection capable of maintaining secure clamping forces despite thermal expansion and cyclic operating loads. Manufactured from high-strength alloy steel with excellent fatigue and corrosion resistance, the expansion bolt is engineered to perform reliably under demanding marine and industrial operating conditions. Precision machining ensures accurate preload, uniform load distribution, and dependable long-term fastening performance. By preventing loosening and preserving structural integrity, the K 34129 expansion bolt contributes to reliable piston operation, improved mechanical stability, reduced maintenance requirements, and extended service life of the operating piston assembly.

The pin K 34126 is a precision fastening and locating component designed for the piston skirt assembly of the Sulzer ZV40/48 operating piston mechanism. Its main purpose is to securely position and retain the piston skirt while ensuring accurate alignment and stable mechanical operation under continuous loading. Manufactured from high-strength, precision-hardened steel, the pin is designed to resist shear forces, vibration, wear, and repeated dynamic stresses encountered during long-term engine operation. Tight manufacturing tolerances ensure excellent fit, proper load transfer, and reliable assembly integrity throughout extended service intervals. By maintaining the correct position of the piston skirt and minimizing mechanical movement between components, the K 34126 pin contributes to smooth piston guidance, reduced wear, and dependable long-term engine performance.

The control spring K 34125 is a precision-engineered mechanical component designed for the operating piston assembly of the Sulzer ZV40/48 engine. Its primary function is to provide the required restoring force and maintain controlled movement of the operating piston throughout its working cycle. By ensuring accurate piston positioning and consistent response to changing operating conditions, the spring contributes to the stable performance of the associated control mechanism. Manufactured from high-quality spring steel with excellent fatigue resistance, elasticity, and corrosion protection, the control spring is engineered to withstand continuous cyclic loading, vibration, and demanding marine and industrial service environments. Precision manufacturing guarantees consistent spring characteristics and reliable long-term performance. By maintaining proper operating piston dynamics, the K 34125 control spring enhances system reliability, reduces component wear, and supports efficient engine operation.

The sleeve K 34124 is a precision-machined guiding component developed for the operating piston assembly of the Sulzer ZV40/48 engine. Its primary function is to provide accurate guidance, reduce friction between moving parts, and ensure smooth, controlled piston movement during engine operation. Manufactured from high-quality, wear-resistant materials with excellent mechanical strength, the sleeve is designed to withstand continuous dynamic loading, vibration, temperature fluctuations, and long-term service conditions. Precision dimensional control ensures optimal clearances, minimizing wear while maintaining reliable mechanical performance. By supporting precise piston guidance and reducing frictional losses, the K 34124 sleeve contributes to improved operational efficiency, extended component life, and dependable long-term engine performance.

The ring K 34123 is a precision support and positioning component designed for the operating piston assembly of the Sulzer ZV40/48 engine. Its primary purpose is to provide accurate alignment, structural support, and stable positioning of associated piston components while maintaining the integrity of the complete operating mechanism. Manufactured from durable, wear-resistant materials with excellent dimensional stability, the ring is engineered to withstand continuous vibration, thermal expansion, and cyclic mechanical loading. Precision manufacturing ensures consistent fitment, proper load distribution, and reliable operation throughout extended service intervals. By supporting stable piston movement and maintaining assembly accuracy, the K 34123 ring contributes to efficient engine operation, reduced component wear, and improved long-term reliability.

The cylindrical pin K 34117 is a precision positioning and fastening component designed for assembly K 34110 in the Sulzer ZV40/48 engine. Its primary function is to accurately locate and securely retain connected components while ensuring proper alignment under continuous operating loads. Manufactured from high-strength, precision-hardened steel, the pin is engineered to withstand shear forces, vibration, repeated cyclic loading, and demanding marine and industrial operating conditions without deformation or loss of dimensional accuracy. Precision machining guarantees an exact fit and reliable load transfer, minimizing movement between mating components and reducing mechanical wear. By maintaining assembly integrity and precise positioning, the K 34117 cylindrical pin contributes to smooth mechanical operation, increased component durability, and long-term engine reliability.

The cylindrical pin K 34108 is a precision fastening and positioning component designed for the upper ball socket K 34104 in the Sulzer ZV40/48 engine. Its primary function is to securely retain and accurately position the ball socket within the operating piston assembly while allowing smooth mechanical movement where required. Manufactured from high-strength, precision-hardened materials, the pin is engineered to withstand shear forces, vibration, repeated cyclic loading, and long-term operational stresses without loss of dimensional accuracy. Precision manufacturing ensures exact fitment, reliable alignment, and consistent performance throughout extended service intervals. By maintaining the integrity of the articulated connection, the K 34108 cylindrical pin contributes to dependable operating piston performance, reduced mechanical wear, and long-term engine reliability.

The upper ball socket K 34104 is a critical articulation component within the operating piston mechanism of the Sulzer ZV40/48 engine. Its main purpose is to provide a secure yet flexible connection between the piston and its associated linkage, allowing controlled angular movement while efficiently transmitting operating forces. Engineered from durable, high-strength materials with excellent resistance to wear and fatigue, the ball socket is designed to perform reliably under continuous vibration, cyclic loading, and demanding service conditions. Precision machining ensures accurate geometry, smooth movement, and proper load distribution throughout the assembly. By maintaining precise mechanical articulation and minimizing stress concentrations, the K 34104 upper ball socket enhances operational reliability, extends component service life, and supports the efficient performance of the operating piston system.

The piston skirt K 34103 is a precision-machined component designed for the operating piston assembly of the Sulzer ZV40/48 engine. Its primary function is to guide and stabilize piston movement within its cylinder while maintaining correct alignment under varying mechanical loads. By distributing side forces generated during operation, the piston skirt minimizes friction, reduces wear on mating surfaces, and contributes to smooth, reliable reciprocating motion. Manufactured from high-strength, wear-resistant materials with excellent dimensional stability, the component is engineered to withstand continuous cyclic loading, vibration, temperature variations, and demanding marine and industrial operating conditions. Precision machining ensures optimal clearances and long-term operational accuracy. By supporting stable piston guidance and minimizing mechanical stress, the K 34103 piston skirt contributes to improved component longevity, reliable engine operation, and reduced maintenance requirements.

The locking plate K 33422 is a safety fastening component designed to secure screw K 33421 against unintended loosening during engine operation. Its primary purpose is to maintain the integrity of bolted assemblies exposed to continuous vibration, cyclic loading, and thermal expansion within the Sulzer ZV40/48 engine. Manufactured from durable, corrosion-resistant materials with excellent mechanical strength, the locking plate provides a simple yet highly effective method of mechanical locking without affecting the serviceability of the assembly. Precision dimensions ensure proper engagement with the corresponding screw and adjacent components while facilitating straightforward installation during maintenance procedures. By preventing fastener movement and preserving assembly stability, the K 33422 locking plate contributes to improved operational safety, increased mechanical reliability, and extended service life of critical engine components.