This OTTO hydraulic O-ring seal (part number 0365326) is designed for Komatsu excavator models including EX350LCH-V, PC350, PC400, and PC450. It provides a reliable, leak-proof seal in hydraulic systems, ensuring consistent performance and protection against fluid loss under high-pressure conditions.

This OTTO thermal valve sealing ring kit (part number 1-21779001-0) is designed for excavators including Komatsu ZX450-3, PC450, and PC490. It provides reliable, high-temperature sealing for valve systems, ensuring optimal thermal performance and preventing leaks under demanding engine conditions.

This OTTO needle roller bearing (part number 503806) is designed for Hyundai excavator models R340L, R380, R420, and R450. It provides precise support within the transmission system, reducing friction and ensuring smooth power transfer under heavy-duty operating conditions.

This OTTO main pump bearing (part number 958740) is an original-grade component designed for HPV102 and HPV118 hydraulic main pumps. It is compatible with Hitachi excavator models including EX200-5, ZX200-1, ZX200-5A, ZX240-3, and ZX270, ensuring smooth rotation and reliable performance under high-pressure conditions.

This OTTO hydraulic seal ring/O-ring set (part number 1-13779011-0) is designed for excavators including Hitachi ZX450-3, PC450, and PC490. It provides a reliable, leak-proof seal for hydraulic connections, ensuring consistent system performance and protection against fluid loss or contamination.

This OTTO O-ring (part number 8C-5240) is designed for hydraulic systems in Komatsu PC200, PC210, PC220, and PC240 excavators. It provides a reliable, leak-resistant seal for fluid connections, ensuring consistent hydraulic performance and protection against contaminants.

This OTTO lever gas spring assembly (compatible with part numbers 20Y-54-36342 / 20Y5436342) is designed for excavator models PC200-8 and PC220-8. It provides controlled and smooth lifting support for levers or access panels, enhancing operator convenience and safety during maintenance or adjustments.

This OTTO needle bearing (part number 14640026) is designed for the transmission system of excavators like Komatsu ZX200, PC200, PC210, and PC220. It provides high-precision support with low friction, ensuring smooth gear engagement and reliable power transfer in demanding operating conditions.

This OTTO connecting rod bearing is engineered for CAT C6.4 engines used in excavator models 320D, 325D, 330D, and 336D. It ensures a precise fit, reduces friction, and provides durable support within the rotating assembly for optimal engine performance and longevity.

This OTTO high-quality ball bearing (compatible with part number 4395453) is designed for engine or hydraulic pump applications in excavator models such as ZX330 and ZX350. It is suitable for systems using components like the 4D102, HPV145, or 6HK1, ensuring smooth rotation, reduced friction, and reliable performance in demanding operating conditions.

This OTTO crankshaft bearing (part number 8-97387964) is designed as a standard metal bearing kit for excavator engines used in models such as the ZX200, PC200, PC210, and PC220. It ensures precise fitment, reduces friction, and supports smooth crankshaft rotation for reliable engine performance and durability.

This OTTO piston ring (part number 471-0275) is engineered for CAT C9.3 excavator engines. It ensures effective cylinder sealing, optimal compression retention, and controlled oil consumption, contributing to smooth engine performance and enhanced durability under heavy-duty operating conditions.