Komatsu PC400-8 Piston Pump, Inner Parts (11/11) (#70001-70002) Parts
Komatsu PC400-8 piston pump, inner parts (11/11) (#70001-70002) parts for machine serial 70001-UP. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.
Catalog configuration: Hydraulic System / Piston Pump / Piston Pump, Inner Parts (11/11) (#70001-70002).
Checking current purchase options...
Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 23 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 | Pump AssemblySN: 70001-70002 | 1 | Request quote | |||
| 1 | Valve, PilotSN: 70001-70002 | 1 | View product ↗ | |||
| 2 | Bolt, Hexagon Socket HeadSN: 70001-70002 | 2 | Request quote | |||
| 3 | Band, RedSN: 70001-70002 | 1 | Request quote | |||
| 4 | Valve, PilotSN: 70001-70002 | 1 | View product ↗ | |||
| 5 | O-ringSN: 70001-70002 | 1 | View product ↗ | |||
| 6 | Band, WhiteSN: 70001-70002 | 1 | Request quote | |||
| 6 | Valve AssemblySN: 70001-70002 | 1 | Request quote | |||
| 7 | PlugSN: 70001-70002 | 1 | Request quote | |||
| 8 | PistonSN: 70001-70002 | 1 | Request quote | |||
| 9 | SpringSN: 70001-70002 | 1 | Request quote | |||
| 10 | BlockSN: 70001-70002 | 1 | Request quote | |||
| 11 | O-ringSN: 70001-70002 | 1 | View product ↗ | |||
| 12 | O-ringSN: 70001-70002 | 2 | View product ↗ | |||
| 13 | O-ringSN: 70001-70002 | 1 | View product ↗ | |||
| 14 | Bolt, Hexagon Socket HeadSN: 70001-70002 | 1 | Request quote | |||
| 15 | PlugSN: 70001-70002, SCC: C2 | 2 | Request quote | |||
| 16 | O-ringSN: 70001-70002 | 2 | Request quote | |||
| 17 | Ring, Back-upSN: 70001-70002 | 4 | View product ↗ | |||
| 18 | O-ringSN: 70001-70002 | 2 | Request quote | |||
| 19 | WasherSN: 70001-70002 | 2 | Request quote | |||
| 20 | BoltSN: 70001-70002 | 2 | View product ↗ | |||
| 21 | ClipSN: 70001-70002 | 2 | View product ↗ |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
Using Komatsu PC400-8 Piston Pump, Inner Parts (11/11) (#70001-70002) Parts
Use the Komatsu PC400-8 Piston Pump, Inner Parts (11/11) (#70001-70002) Parts listing to identify aftermarket replacement parts within the hydraulic system section. This excavator application is listed for machine serial 70001-UP; the diagram and parts table retain the selected configuration and its source notes.
The parts table contains 23 listed part occurrences, including pump assembly (reference 708-2H-00026), valve, pilot (reference 702-21-57600) and band, red (reference 20Y-62-22790). Read any option and reference notes beside these entries before choosing a replacement; repeated references may represent separate positions in the source list.
For hydraulic replacement parts, compare the listed circuit, cylinder, valve or hose application wherever identified in the selected assembly. Retain connection and configuration notes when requesting a quote rather than relying on appearance alone.
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.