Komatsu WA380-3 Wheel Loader Injection Pump Drive Parts
Komatsu WA380-3 injection pump drive parts for machine serial H20051-H20500. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.
Catalog configuration: 01 Engine, Engine Mounting / Injection Pump Drive.
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Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 15 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 | HOUSING | 1 | Request quote | |||
| 2 | SHAFT | 1 | Request quote | |||
| 3 | BEARING | 1 | View product ↗ | |||
| 4 | BEARING | 1 | Request quote | |||
| 5 | SNAP RING | 1 | View product ↗ | |||
| 6 | O-RING | 1 | View product ↗ | |||
| 7 | O-RING | 1 | View product ↗ | |||
| 8 | SCREW | 4 | Request quote | |||
| 9 | PLAIN WASHER | 4 | View product ↗ | |||
| 10 | GRUB SCREW | 4 | Request quote | |||
| 11 | NUT | 4 | View product ↗ | |||
| 12 | GEAR | 1 | Request quote | |||
| 13 | NUT | 1 | Request quote | |||
| 14 | PLAIN WASHER | 1 | View product ↗ | |||
| 15 | WOODRUFF KEY | 1 | View product ↗ |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
Using Komatsu WA380-3 Wheel Loader Injection Pump Drive Parts
Use the Komatsu WA380-3 Wheel Loader Injection Pump Drive Parts listing to identify aftermarket replacement parts within the 01 engine, engine mounting section. This wheel loader application is listed for machine serial H20051-H20500; the diagram and parts table retain the selected configuration and its source notes.
The parts table contains 15 listed part occurrences, including housing (reference 6221-71-3120), shaft (reference 6221-71-3410) and bearing (reference 06000-06307). Read any option and reference notes beside these entries before choosing a replacement; repeated references may represent separate positions in the source list.
Use the section and assembly descriptions together with the stated machine application. Preserve location, option and revision notes shown beside each part number when selecting a replacement or preparing a quote.
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.