The cover with splash tube, code 300100, is a multifunctional assembly within the MAN L21/31 engine that combines protective enclosure with controlled lubrication management. Designed to shield internal engine components from contamination while directing lubricating oil through the integrated splash tube, it ensures efficient lubrication and cooling of critical moving parts during engine operation. Precision-manufactured for accurate fitment and dependable sealing, the assembly is produced from durable, corrosion-resistant materials capable of withstanding continuous thermal and mechanical stresses. By optimizing oil distribution and minimizing uncontrolled oil splash, the cover with splash tube helps reduce component wear, improve operational reliability, and extend the overall service life of the engine.

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.

The lower bearing half K 33220 is a critical load-bearing component within the crankshaft support system of the Sulzer ZV40/48 engine. Its primary role is to support the crankshaft, maintain precise shaft alignment, and provide a durable low-friction running surface capable of carrying substantial mechanical loads generated during engine operation. Manufactured from carefully selected bearing materials with excellent wear resistance, load capacity, and thermal conductivity, the bearing half operates in conjunction with a continuous lubricating oil film to minimize friction and prevent metal-to-metal contact. Precision manufacturing guarantees exact dimensional accuracy and proper bearing clearance, ensuring stable operation under heavy-duty marine and industrial service conditions. By supporting reliable crankshaft rotation and efficient lubrication, the K 33220 lower bearing half contributes significantly to engine durability, operational stability, and long-term reliability.

The coupling piece K 72103 is a precision mechanical transmission component designed for the cylinder lubricating pump K 72101 in the Sulzer ZV40/48 engine. Its primary function is to transmit rotational motion and torque from the drive mechanism to the lubrication pump while maintaining accurate alignment and reliable power transfer. Engineered from high-strength, wear-resistant materials, the coupling piece is capable of withstanding continuous cyclic loading, vibration, and demanding operating conditions commonly encountered in marine and industrial diesel engines. Precision machining ensures accurate fitment, smooth torque transmission, and reduced mechanical stress on connected components. By ensuring dependable pump operation and consistent lubrication delivery, the K 72103 coupling piece contributes to efficient cylinder lubrication, reduced component wear, improved engine reliability, and extended service life.

The assembly spray nozzles, code 200100, consist of a precisely engineered group of spray nozzles designed to deliver lubricants, cooling media, or cleaning fluids to designated areas within the MAN L21/31 engine. Working together as an integrated assembly, these nozzles ensure uniform fluid distribution, accurate atomization, and efficient coverage of critical engine components operating under high thermal and mechanical loads. Manufactured to strict dimensional and flow-performance specifications, the assembly provides reliable operation under varying pressures and temperatures while resisting wear and corrosion. Proper performance of the spray nozzle assembly contributes to improved cooling efficiency, enhanced lubrication, reduced component wear, and increased operational reliability of the engine.

The cover with splash tube, code 300100, is a multifunctional assembly within the MAN L21/31 engine that combines protective enclosure with controlled lubrication management. Designed to protect internal engine components from contamination while directing lubricating oil through the integrated splash tube, it ensures efficient lubrication and cooling of critical moving parts during engine operation. Precision-manufactured for accurate fitment and dependable sealing, the assembly is produced from durable, corrosion-resistant materials capable of withstanding continuous thermal and mechanical stresses. By optimizing oil distribution and minimizing uncontrolled oil splash, the cover with splash tube helps reduce component wear, improve operational reliability, and extend the overall service life of the engine.

The seal ring, code 100100, is a precision-engineered sealing component used throughout the MAN L21/31 engine to prevent leakage and maintain the integrity of critical mechanical and fluid systems. Installed between mating surfaces or around rotating and stationary components, it creates a reliable barrier against the escape of lubricating oil, fuel, coolant, or compressed air while preventing contaminants from entering the engine. Designed to accommodate vibration, pressure fluctuations, and thermal expansion, the seal ring ensures consistent sealing performance under demanding marine and industrial operating conditions. Manufactured from high-quality wear-resistant and chemically resistant materials, it contributes to improved engine efficiency, lower maintenance requirements, and extended service life of vital engine assemblies.

The cylinder lubricating pump K 72101 is a specialized lubrication component designed to deliver precisely metered quantities of lubricating oil to the cylinder liners and piston running surfaces of the Sulzer ZV40/48 engine. Its primary function is to minimize friction and wear while protecting critical combustion chamber components against scuffing, corrosion, and excessive thermal loading. Engineered for precise dosing and reliable operation, the pump ensures that lubrication is delivered exactly where and when it is required, optimizing oil consumption without compromising protection. Manufactured from durable, wear-resistant materials and precision-machined for long service life, the pump performs reliably under demanding marine and industrial operating conditions. By ensuring effective cylinder lubrication, the K 72101 pump contributes to improved engine efficiency, lower maintenance costs, extended overhaul intervals, and increased operational reliability throughout the engine's service life.

The joint K 71045 is a precision sealing component designed for flange K 71044 within the Sulzer ZV40/48 lubrication system. Its primary purpose is to provide a reliable, leak-tight seal between the flange and adjoining components, ensuring that lubricating oil remains contained within the system under all operating conditions. Manufactured from high-quality sealing materials resistant to oil, pressure, vibration, thermal cycling, and long-term aging, the joint is engineered for dependable performance throughout extended service life. Precision dimensions allow uniform compression during installation, resulting in consistent sealing effectiveness and simplified maintenance procedures. By preventing oil leakage and preserving system pressure, the K 71045 joint supports efficient lubrication, protects surrounding engine components, and enhances the overall reliability and durability of the engine.

The complete oil pump K 71001 is one of the most critical components of the Sulzer ZV40/48 engine lubrication system, ensuring the continuous circulation of lubricating oil to all essential engine parts. Its primary function is to deliver oil at the required pressure and flow rate to bearings, gears, camshaft components, and other moving assemblies, thereby minimizing friction, reducing wear, and assisting in heat dissipation. Manufactured from high-strength, wear-resistant materials and precision-machined to tight tolerances, the oil pump is engineered for reliable operation under high loads, elevated temperatures, and continuous duty in demanding marine and industrial applications. Its robust construction ensures consistent lubrication performance throughout long service intervals. By maintaining stable oil pressure and efficient lubrication, the K 71001 complete oil pump significantly contributes to engine reliability, operational efficiency, extended component life, and reduced maintenance costs.