The nut designated as K 81190 serves as a locking and fastening component for threaded pin K 81192 and support K 81260 in the ZV40/48 engine structure. Engineered for high-strength applications, it ensures that connected parts remain securely fastened under dynamic loads and vibrations. Its compatibility with both components highlights its role in maintaining structural integrity and alignment within the engine’s support system. Proper tightening and periodic inspection of this nut are essential for the reliable operation of engine-mounted assemblies.

The disk identified with code number K 72149 is a precision-machined component essential for the smooth functioning of the geared pump K 72106 in the ZV40/48 engine. Its main role is to ensure stable rotation and optimal torque transmission within the pump assembly. Built from wear-resistant materials, this disk endures continuous mechanical stress and high temperatures, making it indispensable for maintaining consistent fluid flow and pressure. Its reliability directly affects the efficiency and durability of the engine’s lubrication or fuel system, depending on the pump's function.

Connecting rods in the MAN L21/31, with an estimated code of H33001, serve as the crucial link between pistons and the crankshaft, translating reciprocating motion into rotational energy. Bearings, approximately H33016, support the connecting rods and reduce friction between moving parts. Due to constant mechanical stress, these components are prone to wear and require regular monitoring and maintenance to prevent catastrophic engine failure and ensure smooth operation.

The spindle coded K 87088 is a key internal part of the pressure regulating valve in the Adriadiesel ZV40/48 engine. This spindle transmits motion from the actuator to adjust the flow and pressure within the valve body, directly influencing fuel or lubrication regulation. Crafted to tight tolerances, the spindle ensures accurate control under fluctuating operational demands. Its performance directly affects the valve’s responsiveness, making it crucial for maintaining engine stability, fuel efficiency, and protection against overpressure scenarios.

The O-ring marked with code number K 87094 is a precision-sealing component designed specifically for housing K 87086 within the Adriadiesel/Jugoturbina/Zgoda/Sulzer ZV40/48 engine system. This small but vital part plays a crucial role in preventing fluid leakage and maintaining system pressure by ensuring a tight seal between mating surfaces. Made from high-performance elastomers resistant to temperature extremes and chemical exposure, the O-ring supports reliable engine function even in demanding conditions. Its integrity is essential for the longevity and safety of the pressure-related components it protects.

The bush, code number K 32306, serves as a key intermediary element between housing K 32301 and the bearing insert K 32329. Its function is to provide a smooth surface for the bearing insert to operate against while also absorbing minor vibrations and accommodating thermal expansion. This enhances both mechanical reliability and component durability in the high-performance environment of the ZV40/48 engine. Its robust design ensures that operational forces are evenly distributed, contributing to reduced maintenance needs and extended service intervals.

The sealing component identified by code number K 32365 is engineered to provide a tight, leak-proof fit for cover K 32364 in the Sulzer ZV40/48 diesel engine. It ensures that the enclosed system remains free from oil leaks, pressure loss, or contamination, which are critical for maintaining operational safety and efficiency. Made from high-performance sealing materials, this part is resistant to heat, vibration, and oil degradation, making it a dependable element for preserving engine integrity during demanding conditions.

The spacer identified by code number K 32336 plays a crucial role in the alignment and positioning of worm K 32323 within the drive system of the Sulzer ZV40/48 diesel engine. This component ensures the correct axial distance between the worm and adjacent parts, minimizing friction and wear while maintaining the integrity of the gear train. Precision-manufactured for durability and dimensional accuracy, the spacer contributes to smoother gear operation and extends the service life of the worm gear assembly, especially under continuous engine load.

The valve with code number H 74131 plays a critical role in regulating the flow of fluids or gases within the Sulzer ASL25 engine. Whether it's managing intake, exhaust, or pressure relief, this valve is precision-engineered for reliability and efficiency. It opens and closes in response to pressure changes or mechanical controls, contributing to the engine’s combustion cycle and overall operational balance. Durable and responsive, this valve is fundamental to ensuring safe and effective performance of the diesel engine.

The cover marked with code number K 32358 is designed specifically for housing K 32301 in the Sulzer ZV40/48 diesel engine. Its primary function is to protect internal mechanical assemblies from external contaminants such as dust, debris, and moisture. Additionally, it aids in maintaining the internal pressure and temperature balance required for optimal mechanical performance. Engineered for a secure fit and durability, the cover also provides easy access for maintenance operations, making it a practical and protective component within the overall engine architecture.

The bearing insert, designated with code number K 32329, is an integral part of the vertical worm gear system in the Sulzer ZV40/48 engine series. This component provides a low-friction interface that supports and guides the worm shaft during rotation, ensuring smooth motion and reducing mechanical wear. Made of highly durable and wear-resistant material, the insert absorbs and distributes loads evenly, enhancing the gear’s longevity and performance. Proper lubrication and alignment of this bearing insert are essential for the reliable and quiet operation of the entire vertical transmission system.

The worm, coded K 32323, is an integral part of the horizontal worm gear assembly in the Sulzer ZV40/48 diesel engine. It translates rotational motion into linear or controlled rotational output, enabling precision adjustments within the engine’s gear mechanism. Its helical design ensures efficient meshing with the gear teeth, reducing slippage and enhancing torque transfer. Engineered for durability and smooth operation, the worm supports critical control functions and is key to the synchronization of mechanical systems, especially where compact and efficient power transmission is required.

The worm gear with code number K 32322 is a key part of the barring engine mechanism in the Sulzer ZV40/48 system. The barring engine is used for manually rotating the crankshaft during maintenance or positioning operations. This worm gear provides the necessary mechanical advantage to ensure smooth and controlled movement of the crankshaft at low speeds. Crafted for durability and accurate meshing, it ensures safe handling of the engine during inspection or repair phases, significantly reducing risk and wear.

The sealing component identified by code number K 11825 is designed specifically for the blind flange K 11816 in the Sulzer ZV40/48 diesel engine, produced under Adriadiesel/Jugoturbina/Zgoda licensing. Its function is to ensure an airtight and pressure-resistant seal that prevents leaks of gases or fluids at flange terminations. Constructed from heat- and pressure-resistant materials, this seal is essential for maintaining engine safety and operational efficiency, especially in high-stress marine or industrial environments. Timely replacement during routine maintenance ensures continued integrity and protection of surrounding engine components.

The side cover for the engine frame, labeled K 16101, plays a vital role in enclosing and protecting internal components of the Sulzer ZV40/48 engine. This robust cover shields sensitive parts from dirt, debris, and external impacts, while also supporting the structural integrity of the engine housing. Precision-engineered to fit seamlessly within the engine frame, it also aids in sound dampening and thermal insulation. Its maintenance and proper installation are essential for operational safety and engine longevity, especially in challenging industrial and marine environments.

The spacer sleeve with code number H 27111 serves a structural and alignment function in the ASL25 engine assembly. Positioned between specific components, it maintains accurate spacing and ensures mechanical stability under vibration and load. Crafted to exact specifications, the spacer sleeve helps prevent misalignment that could lead to wear or operational inefficiency. Though small in appearance, its role is crucial in preserving the precision and integrity of the engine’s internal systems.

The sleeve identified by code number H 21415 plays a vital role in the cooling system of the Sulzer ASL25 diesel engine. Specifically designed to direct and contain cooling water flow, this component ensures efficient heat dissipation from engine parts that operate under high thermal stress. Made from corrosion-resistant materials, the sleeve supports long-term durability and reliable operation in demanding marine and industrial environments. A properly maintained sleeve contributes to engine efficiency and prevents overheating, making it essential for sustaining overall system health.

The sealing ring with code number H 27219 is a key component designed to prevent leakage of fluids or gases in the ASL25 engine’s assemblies. It is typically used at joints or interfaces where pressure and temperature fluctuations are frequent, requiring resilient and durable sealing performance. Made from high-quality materials resistant to wear, oil, and thermal degradation, the sealing ring ensures operational integrity and system efficiency. Regular inspection and timely replacement help maintain reliable engine operation and avoid contamination or fluid loss.

The end plate on the damper side, marked by code number K 16225, is an essential structural element within the Sulzer ZV40/48 engine. It provides a firm mounting surface for the damper assembly and helps maintain the alignment and balance of the rotating components. Designed to endure mechanical stress and thermal expansion, this end plate ensures stability in the engine’s vibration control system. Regular inspection and secure fastening of the end plate are key to minimizing vibration-related wear and achieving long-term operational stability.

The bottom part of the oil cup, identified by code number K 12032, is a fundamental component in the lubrication system of the Sulzer ZV40/48 engine. It serves as the reservoir and collection base for lubricating oil, ensuring a consistent supply to moving engine parts. Engineered for durability and resistance to high temperatures and vibration, this part helps maintain oil circulation efficiency and protects critical components from friction and wear. Proper maintenance of the oil cup bottom is essential for smooth engine operation and extended service life.