Title:
KX042-4 500HR SERVICE KIT (KU-W21CK10299)
Description:
Maintain reliable digging performance and long-term durability with the genuine Kubota KX042-4 500HR Service Kit (W21CK10299). Specifically designed for scheduled 500-hour maintenance on Kubota KX042-4 mini excavators, this OEM service kit includes the essential filters and service components required to support efficient engine operation, clean fuel delivery, and stable hydraulic performance. Because the KX042-4 is widely used in construction, landscaping, and utility trenching work, regular servicing is critical for maintaining productivity and reducing the risk of costly downtime.
Engineered to Kubota’s exact factory specifications, this genuine maintenance kit helps maintain clean oil circulation, effective filtration, and reliable system protection across all major operating systems. Furthermore, replacing service components at the recommended 500-hour interval helps reduce engine strain, improve hydraulic responsiveness, and support consistent machine performance under heavy working conditions. As a result, operators can achieve smoother operation while also extending the service life of key engine and hydraulic components.
In addition, this genuine Kubota service kit helps protect vital systems from dirt, debris, moisture, and other contaminants that can gradually reduce efficiency and increase wear over time. Consequently, maintaining proper filtration and fluid cleanliness can help extend internal component life while supporting more reliable excavation performance in demanding environments. Moreover, genuine Kubota OEM parts ensure precise fitment and dependable compatibility, making servicing straightforward and efficient.
Every component included within this Kubota OEM service kit is built for durability and consistent performance in harsh job site conditions. Whether carrying out preventative maintenance or completing scheduled servicing, this genuine Kubota KX042-4 kit helps restore factory-level reliability, improve efficiency, and support long-term productivity.
Model Fitment:
Kubota Compact Excavators
KX042-4 (~50155) With A/C
KX042-4 (~50155) Without A/C
Kit Contents:
- 1x 1J800-43172 – Fuel – Filter
- 1x 04817-00160 – Fuel – Pre-filter O-ring
- 1x RD451-51930 – Fuel – Pre-filter O-ring
- 1x 04817-00090 – Fuel – Pre-filter O-ring
- 1x V0521-51940 – Fuel – Pre-filter
- 1x RD411-62150 – Hydraulic – Breather Filter
- 1x 04816-50300 – Hydraulic – Filler plug seal
- 1x 04717-00810 – Hydraulic – Breather filter seal
- 1x RD158-42270 – Engine – External air filter
- 1x RD158-42280 – Engine – Internal air filter
- 1x W21ES-O1640 – Engine – Oil filter
- 1x 15451-96670 – Engine drain seal
