Komatsu WA380-1 Wheel Loader Treadle Valve Parts
Komatsu WA380-1 treadle valve parts for machine serial 10001-UP. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.
Catalog configuration: Drive Shaft, Differential And Wheels / Treadle Valve.
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Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 33 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 | VALVE ASS'Y,TREADLESN: 20001-UP | 2 | View product ↗ | |||
| 1 | VALVE ASS'Y,TREADLE, L.H.SN: 10001-19999 | 1 | View product ↗ | |||
| 2 | VALVE ASS'Y,TREADLE, R.H.SN: 10001-19999 | 1 | View product ↗ | |||
| 6 | VALVE ASS'Y,UPPERSN: 10001-UP | 1 | Request quote | |||
| 12 | PISTON,RELAYSN: 10001-UP | 1 | Request quote | |||
| 21 | STEM ASS'YSN: 10001-UP | 1 | Request quote | |||
| 21 | PISTON,UPPERSN: 10001-UP | 1 | Request quote | |||
| 23 | SEAT,SPRINGSN: 10001-UP | 1 | Request quote | |||
| 24 | NUTSN: 10001-UP | 1 | Request quote | |||
| 25 | WASHER,SPRINGSN: 10001-UP | 1 | Request quote | |||
| 26 | WASHERSN: 10001-UP | 1 | View product ↗ | |||
| 37 | VALVE ASS'Y,LOWERSN: 20001-UP | 1 | Request quote | |||
| 38 | VALVE ASS'Y,LOWERSN: 10001-19999 | 1 | Request quote | |||
| 37 | COVER,EXHAUSTSN: 10001-UP | 1 | Request quote | |||
| 39 | SCREWSN: 10001-UP | 4 | Request quote | |||
| 40 | WASHER,SPRINGSN: 10001-UP | 4 | View product ↗ | |||
| 42 | BOLTSN: 10001-UP | 4 | View product ↗ | |||
| 43 | WASHER,SPRINGSN: 10001-UP | 4 | Request quote | |||
| 44 | PLATE ASS'YSN: 10001-UP | 1 | Request quote | |||
| 45 | PLUNGERSN: 20001-UP | 1 | Request quote | |||
| 46 | BOOTSN: 10001-UP | 1 | Request quote | |||
| 47 | TREADLESN: 20001-UP | 1 | Request quote | |||
| 48 | BOOTSN: 10001-UP | 1 | Request quote | |||
| 49 | PIPESN: 10001-UP | 1 | Request quote | |||
| 50 | PINSN: 10001-UP | 2 | Request quote | |||
| 51 | PINSN: 10001-UP | 1 | Request quote | |||
| 52 | ROLLERSN: 10001-UP | 1 | Request quote | |||
| 53 | PIN,COTTERSN: 10001-UP | 2 | Request quote | |||
| 54 | BOLTSN: 20001-UP | 1 | Request quote | |||
| 54 | BOLTSN: 10001-19999 | 1 | Request quote | |||
| 55 | NUTSN: 10001-UP | 1 | Request quote | |||
| 56 | BOLTSN: 10001-UP | 3 | Request quote | |||
| 57 | WASHER,SPRINGSN: 10001-UP | 3 | View product ↗ |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 1 | Description: BODY,UPPER | QTY: 1 | OPTIONS: SN: 20001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 1 | Description: BODY,UPPER (FOR L.H.) | QTY: 1 | OPTIONS: SN: 10001-19999
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 1 | Description: BODY,UPPER (FOR R.H.) | QTY: 1 | OPTIONS: SN: 10001-19999
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 2 | Description: VALVE,UPPER (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 3 | Description: RETAINER | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 4 | Description: SPRING (K13) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 5 | Description: RETAINER | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 6 | Description: O-RING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 7 | Description: WASHER,SPECIAL | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 8 | Description: RING,RETAINING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 9 | Description: O-RING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 10 | Description: RING,RETAINING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 11 | Description: SPRING (K13) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 13 | Description: O-RING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 14 | Description: O-RING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 15 | Description: SPRING,RETURN (K13) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 16 | Description: STEM | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 17 | Description: SPRING,INNER (K13) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 18 | Description: SPRING,OUTER (K13) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 19 | Description: SLEEVE | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 20 | Description: WASHER | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 22 | Description: SPRING,RUBBER (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 27 | Description: O-RING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 28 | Description: BODY,LOWER | QTY: 1 | OPTIONS: SN: 20001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 28 | Description: BODY,LOWER (FOR L.H.) | QTY: 1 | OPTIONS: SN: 10001-19999
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 28 | Description: BODY,LOWER (FOR R.H.) | QTY: 1 | OPTIONS: SN: 10001-19999
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 29 | Description: VALVE,LOWER (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 30 | Description: RETAINER | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 31 | Description: SPRING | QTY: 1 | OPTIONS: SN: 20001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 31 | Description: SPRING (K13) | QTY: 1 | OPTIONS: SN: 10001-19999
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 32 | Description: RETAINER | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 33 | Description: O-RING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 34 | Description: WASHER,SPECIAL | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 35 | Description: RING,RETAINING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 36 | Description: O-RING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 38 | Description: VALVE,EXHAUST (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 41 | Description: O-RING (K12) | QTY: 1 | OPTIONS: SN: 10001-UP
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 45 | Description: PLUNGER,(FOR L.H.) | QTY: 1 | OPTIONS: SN: 10001-19999
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 45 | Description: PLUNGER,(FOR R.H.) | QTY: 1 | OPTIONS: SN: 10001-19999
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 47 | Description: TREADLE,(FOR L.H.) | QTY: 1 | OPTIONS: SN: 10001-19999
This part cannot be supplied as an individual part. It is supplied as an assembly. | Sort Order: 47 | Description: TREADLE,(FOR R.H.) | QTY: 1 | OPTIONS: SN: 10001-19999
Using Komatsu WA380-1 Wheel Loader Treadle Valve Parts
Use the Komatsu WA380-1 Wheel Loader Treadle Valve Parts listing to identify aftermarket replacement parts within the drive shaft, differential and wheels section. This wheel loader application is listed for machine serial 10001-UP; the diagram and parts table retain the selected configuration and its source notes.
The parts table contains 33 listed part occurrences, including valve ass'y,treadle (reference 421-35-11400), valve ass'y,treadle, l.h. (reference 421-35-11201) and valve ass'y,treadle, r.h. (reference 421-35-11302). Read any option and reference notes beside these entries before choosing a replacement; repeated references may represent separate positions in the source list.
For axle, driveline and brake-related parts, follow the assembly location and machine serial applicability. Keep front/rear and left/right distinctions, along with any equipment options recorded in the parts list.
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.