Komatsu WA380-5 Wheel Loader Quick Coupler (Inner Parts) Parts
Komatsu WA380-5 quick coupler (inner parts) parts for machine serial H50051 - UP. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.
Catalog configuration: T0 Work Equipment / Quick Coupler (Inner Parts).
Checking current purchase options...
Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 31 part occurrences
Select any parts and adjust quantities. Store products go to your cart; parts without a store match go into a quote request. Each button handles only its matching selections.
| Line | Part number | Description | Qty | Order qty | Purchase options | |
|---|---|---|---|---|---|---|
| 1 | QUICK COUPLERSN: H50051-UP | 1 | Request quote | |||
| 2 | BOLTSN: H50051-UP | 2 | Request quote | |||
| 3 | BOLTSN: H50051-UP | 2 | Request quote | |||
| 4 | BOLTSN: H50051-UP | 2 | Request quote | |||
| 5 | NIPPLESN: H50051-UP | 2 | Request quote | |||
| 6 | WASHERSN: H50051-UP | 2 | Request quote | |||
| 7 | WASHERSN: H50051-UP | 2 | Request quote | |||
| 8 | SCREWSN: H50051-UP | 2 | Request quote | |||
| 9 | UNIONSN: H50051-UP | 1 | Request quote | |||
| 11 | UNIONSN: H50051-UP | 3 | Request quote | |||
| 12 | COUPLINGSN: H50051-UP | 2 | Request quote | |||
| 13 | BALL VALVESN: H50051-UP | 1 | Request quote | |||
| 14 | CLAMPSN: H50051-UP | 2 | Request quote | |||
| 14A | CLAMPSN: H50051-UP | 2 | Request quote | |||
| 15 | WASHERSN: H50051-UP | 14 | View product ↗ | |||
| 16 | SPRING RINGSN: H50051-UP | 16 | Request quote | |||
| 17 | BOLTSN: H50051-UP | 14 | Request quote | |||
| 18 | BOLTSN: H50051-UP | 2 | Request quote | |||
| 19 | SPRINGSN: H50051-UP | 2 | Request quote | |||
| 20 | HOUSINGSN: H50051-UP | 2 | Request quote | |||
| 21 | UNIONSN: H50051-UP | 1 | Request quote | |||
| 22 | HOSESN: H50051-UP | 2 | Request quote | |||
| 23 | TUBESN: H50051-UP | 2 | Request quote | |||
| 23A | TUBESN: H50051-UP | 1 | Request quote | |||
| 24 | HOSESN: H50051-UP | 1 | Request quote | |||
| 25 | HOSESN: H50051-UP | 3 | Request quote | |||
| 26 | HOSESN: H50051-UP | 3 | Request quote | |||
| 27 | COVERSN: H50051-UP | 1 | Request quote | |||
| 28 | CYLINDERSN: H50051-UP | 1 | Request quote | |||
| 29 | GASKET KITSN: H50051-UP | 1 | Request quote | |||
| 30 | REDUCERSN: H50051-UP | 1 | Request quote |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
Using Komatsu WA380-5 Wheel Loader Quick Coupler (Inner Parts) Parts
Use the Komatsu WA380-5 Wheel Loader Quick Coupler (Inner Parts) Parts listing to identify aftermarket replacement parts within the t0 work equipment section. This wheel loader application is listed for machine serial H50051 - UP; the diagram and parts table retain the selected configuration and its source notes.
The parts table contains 31 listed part occurrences, including quick coupler (reference 423-71-H2620), nipple (reference 42U-70-H0P18) and union (reference 423-71-H0P31). Read any option and reference notes beside these entries before choosing a replacement; repeated references may represent separate positions in the source list.
For work-equipment parts, check the attachment configuration and any boom, arm, bucket or lift arrangement named in the assembly. Keep capacity, length and left/right distinctions wherever the source provides them.
Catalog quantities describe the illustrated assembly. Adjust the order quantity to what you need, select the relevant rows, and use Add selected to cart for verified store matches or Add selected to quote for quote items. The diagram alone does not establish current stock or part interchangeability.