Komatsu WA380-1LC Wheel Loader Fig No. 4451 Steering Column Parts
Komatsu WA380-1LC fig no. 4451 steering column parts for machine serial A45001-UP. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.
Catalog configuration: Steering Control System / Fig No. 4451 Steering Column.
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Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 36 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 | |
|---|---|---|---|---|---|---|
| 0 | COLUMN ASSY, STEERING | 1 | Request quote | |||
| 1 | COLUMN ASSY | 1 | Request quote | |||
| 1 | SHAFT | 1 | Request quote | |||
| 2 | COLUMN | 1 | Request quote | |||
| 3 | BEARING, SHAFT | 1 | Request quote | |||
| 4 | RING, SNAP | 1 | Request quote | |||
| 5 | BUSHING | 1 | Request quote | |||
| 6 | COVER | 1 | Request quote | |||
| 7 | GROMMET | 1 | Request quote | |||
| 8 | BUSHING | 2 | Request quote | |||
| 9 | BRACKET | 1 | Request quote | |||
| 10 | BOLT | 1 | Request quote | |||
| 11 | NUT | 1 | Request quote | |||
| 12 | LEVER | 1 | Request quote | |||
| 13 | BOLT | 1 | Request quote | |||
| 14 | WASHER | 2 | Request quote | |||
| 15 | NUT | 1 | Request quote | |||
| 16 | WASHER | 1 | Request quote | |||
| 18 | JOINT ASSY | 1 | Request quote | |||
| 19 | SPIDER ASSY | 1 | Request quote | |||
| 17 | SPIDER | 1 | Request quote | |||
| 18 | PLUG | 1 | Request quote | |||
| 19 | YOKE, INTERNAL SPLINED - LONG | 1 | Request quote | |||
| 20 | YOKE, INTERNAL SPLINED - SHORT | 1 | Request quote | |||
| 21 | SEAL | 1 | Request quote | |||
| 22 | COVER | 1 | Request quote | |||
| 23 | FITTING, GREASE | 1 | View product ↗ | |||
| 24 | WASHER | 1 | View product ↗ | |||
| 28 | JOINT ASSY | 1 | Request quote | |||
| 25 | YOKE, EXTERNAL SPLINED | 1 | Request quote | |||
| 30 | SPIDER ASSY | 1 | Request quote | |||
| 26 | SPIDER | 1 | Request quote | |||
| 27 | PLUG | 1 | Request quote | |||
| 28 | YOKE, INTERNAL SPLINED | 1 | Request quote | |||
| 29 | BOLT | 2 | Request quote | |||
| 30 | WASHER, SPRING | 2 | Request quote |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
Using Komatsu WA380-1LC Wheel Loader Fig No. 4451 Steering Column Parts
Use the Komatsu WA380-1LC Wheel Loader Fig No. 4451 Steering Column Parts listing to identify aftermarket replacement parts within the steering control system section. This wheel loader application is listed for machine serial A45001-UP; the diagram and parts table retain the selected configuration and its source notes.
The parts table contains 36 listed part occurrences, including column assy, steering (reference 421-40-12314), column assy (reference 421-40-12470) and shaft (reference 421-40-12331). 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.