Description:
Maintain reliable performance and long-term durability with the genuine Kubota U15-3 1000HR Service Kit (KU-W21CK00309). Specifically designed for scheduled 1000-hour maintenance on Kubota U15-3 compact excavators, this OEM service kit includes the essential filters, seals, and service components required to support clean engine operation, efficient fuel delivery, and stable hydraulic system performance. Because compact excavators are commonly used in tight-access construction, landscaping, and utility work, routine servicing is essential for reducing downtime and protecting key systems from premature wear.
Kubota confirms W21CK00309 as the correct 1000-hour service kit for U15-3 machines, providing OEM-grade filtration and service components matched to factory maintenance requirements.
Engineered to Kubota’s exact specifications, this genuine maintenance kit helps maintain optimal oil circulation, effective filtration, and consistent hydraulic efficiency under demanding operating conditions. Furthermore, replacing service components at the recommended 1000-hour interval helps reduce engine strain, improve hydraulic response, and support smoother machine operation during continuous workloads. As a result, operators benefit from improved reliability, stronger efficiency, and extended service life of key engine and hydraulic components.
In addition, this service kit helps protect critical systems from dirt, dust, moisture, and other contaminants that can gradually reduce performance over time. Consequently, maintaining clean fluids and proper filtration supports longer internal component life and dependable day-to-day operation in harsh environments. Genuine Kubota OEM parts also ensure correct fitment and consistent performance across all service intervals.
Additionally, every component in this Kubota OEM kit is built for durability and reliability in demanding working conditions. Whether used for preventative maintenance or full scheduled servicing, this 1000-hour kit helps restore factory-level performance and maintain long-term productivity.
Kubota Model Fitments:
Kubota U Series Compact Excavators
Kit Contents:
- 1x 15221-43170 – Fuel – Filter
- 1x 1G820-97010 – V-belt, alternator
- 1x RB238-62150 – Hydraulic – Suction filter
- 1x RA011-62190 – Hydraulic – Return filter
- 1x 04717-01600 – Hydraulic – Oil tank gasket
- 1x 04817-00290 – Hydraulic – Oil tank gasket
- 1x 04717-01610 – Hydraulic – Oil tank gasket
- 1x 04811-51200 – Hydraulic – Oil tank gasket
- 1x 6C060-99414 – Engine – External air filter
- 1x 32721-58242 – Engine – Internal air filter
- 1x W21ES-O1520 – Engine – Oil filter
