Komatsu WA380-3 Wheel Loader Injection System Parts
Komatsu WA380-3 injection system 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 System.
Checking current purchase options...
Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 46 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 | INJECTION PUMP | 1 | Request quote | |||
| 1A | WOODRUFF KEY | 1 | View product ↗ | |||
| 2 | GEAR | 1 | Request quote | |||
| 3 | BEARING | 1 | Request quote | |||
| 4 | PLAIN WASHER | 1 | Request quote | |||
| 5 | BRACKET | 1 | Request quote | |||
| 6 | DISTANCE PIECE | 1 | Request quote | |||
| 7 | SCREW | 2 | View product ↗ | |||
| 8 | PLAIN WASHER | 1 | View product ↗ | |||
| 9 | SCREW | 1 | Request quote | |||
| 10 | NUT | 1 | View product ↗ | |||
| 11 | TUBE | 1 | Request quote | |||
| 12 | PIPE | 1 | Request quote | |||
| 13 | UNION | 1 | Request quote | |||
| 14 | PIPE | 1 | Request quote | |||
| 15 | BANJO BOLT | 1 | View product ↗ | |||
| 16 | SEAL | 2 | View product ↗ | |||
| 17 | INJECTION PIPE | 1 | Request quote | |||
| 18 | INJECTION PIPE | 1 | Request quote | |||
| 19 | INJECTION PIPE | 1 | Request quote | |||
| 20 | INJECTION PIPE | 1 | Request quote | |||
| 21 | INJECTION PIPE | 1 | Request quote | |||
| 22 | INJECTION PIPE | 1 | Request quote | |||
| 23 | CLIP | 6 | Request quote | |||
| 24 | SCREW | 6 | Request quote | |||
| 25 | CLIP | 8 | Request quote | |||
| 26 | BRACKET | 5 | Request quote | |||
| 27 | GLOW PLUG | 6 | Request quote | |||
| 28 | INJECTOR VALVE | 6 | Request quote | |||
| 29 | SPRING SEAT | 1 | Request quote | |||
| 30 | SPRING | 1 | Request quote | |||
| 31 | HOUSING | 1 | Request quote | |||
| 32 | DISC | 1 | Request quote | |||
| 33 | DOWEL | 1 | Request quote | |||
| 34 | FUEL INJECTOR | 1 | View product ↗ | |||
| 35 | CARRIER | 6 | Request quote | |||
| 36 | DISC | 6 | Request quote | |||
| 37 | SCREW | 6 | Request quote | |||
| 38 | SEAL | 6 | View product ↗ | |||
| 39 | HOUSING | 6 | View product ↗ | |||
| 40 | HOSE | 5 | Request quote | |||
| 41 | HOSE | 1 | Request quote | |||
| 42 | CLIP | 11 | Request quote | |||
| 43 | HOSE | 1 | Request quote | |||
| 44 | CLIP | 2 | Request quote | |||
| 45 | SCREW | 2 | Request quote |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
INJECTION PUMP
Using Komatsu WA380-3 Wheel Loader Injection System Parts
Use the Komatsu WA380-3 Wheel Loader Injection System 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 46 listed part occurrences, including injection pump (reference 6221-71-1230), woodruff key (reference 04010-00416) and gear (reference 6221-71-3460). 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.