Komatsu PC1250-8 Excavator Arm Cylinder (#30158-) Parts
Komatsu PC1250-8 arm cylinder (#30158-) parts for machine serial 30158-UP. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.
Catalog configuration: Work Equipment / Arm Cylinder / Arm Cylinder (#30158-).
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Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 61 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 | Cylinder AssemblySN: 30158-UP | 1 | Request quote | |||
| 1 | CylinderSN: 30158-UP | 1 | Request quote | |||
| 2 | Rod, PistonSN: 30158-UP | 1 | Request quote | |||
| 3 | BushingSN: 30158-UP | 1 | View product ↗ | |||
| 4 | Seal, Dust, (Kit : K08)SN: 30158-UP | 2 | View product ↗ | |||
| 5 | Plug, TaperSN: 30158-UP | 1 | View product ↗ | |||
| 6 | BushingSN: 30158-UP | 1 | View product ↗ | |||
| 7 | BushingSN: 30158-UP | 2 | View product ↗ | |||
| 8 | Seal, Dust, (Kit : K08)SN: 30158-UP | 2 | View product ↗ | |||
| 9 | Plug, TaperSN: 30158-UP | 1 | View product ↗ | |||
| 10 | CollarSN: 30158-UP | 1 | Request quote | |||
| 11 | Ring, CushionSN: 30158-UP | 1 | Request quote | |||
| 12 | O-ring, (Kit : K08)SN: 30158-UP | 1 | View product ↗ | |||
| 13 | Ring, Back-up, (Kit : K08)SN: 30158-UP | 2 | View product ↗ | |||
| 14 | PlungerSN: 30158-UP | 1 | Request quote | |||
| 15 | PlungerSN: 30158-UP | 1 | Request quote | |||
| 16 | BallSN: 30158-UP | 10 | View product ↗ | |||
| 17 | PinSN: 30158-UP | 1 | Request quote | |||
| 18 | Head, CylinderSN: 30158-UP | 1 | Request quote | |||
| 19 | Seal, Dust, (Kit : K08)SN: 30158-UP | 1 | Request quote | |||
| 20 | Ring, SnapSN: 30158-UP | 1 | Request quote | |||
| 21 | Packing, Rod, (Kit : K08)SN: 30158-UP | 1 | View product ↗ | |||
| 22 | Ring, Buffer, (Kit : K08)SN: 30158-UP | 1 | View product ↗ | |||
| 23 | BushingSN: 30158-UP | 1 | View product ↗ | |||
| 24 | O-ring, (Kit : K08)SN: 30158-UP | 1 | View product ↗ | |||
| 25 | Ring, Back-up, (Kit : K08)SN: 30158-UP | 1 | View product ↗ | |||
| 26 | BoltSN: 30158-UP | 12 | Request quote | |||
| 27 | WasherSN: 30158-UP | 12 | View product ↗ | |||
| 28 | PistonSN: 30158-UP | 1 | Request quote | |||
| 29 | RingSN: 30158-UP | 2 | Request quote | |||
| 30 | Ring, Wear, (Kit : K08)SN: 30158-UP | 4 | View product ↗ | |||
| 31 | Ring, Piston, (Kit : K08)SN: 30158-UP | 1 | View product ↗ | |||
| 32 | O-ring, (Kit : K08)SN: 30158-UP | 1 | View product ↗ | |||
| 33 | Ring, Back-up, (Kit : K08)SN: 30158-UP | 2 | View product ↗ | |||
| 34 | ScrewSN: 30158-UP | 1 | Request quote | |||
| 35 | Flange, SplitSN: 30158-UP | 2 | Request quote | |||
| 36 | CapSN: 30158-UP | 1 | Request quote | |||
| 37 | BoltSN: 30158-UP | 4 | Request quote | |||
| 38 | Washer, FlatSN: 30158-UP | 4 | View product ↗ | |||
| 39 | Flange, SplitSN: 30158-UP | 2 | Request quote | |||
| 40 | CapSN: 30158-UP | 1 | Request quote | |||
| 41 | BoltSN: 30158-UP | 4 | Request quote | |||
| 42 | WasherSN: 30158-UP | 4 | View product ↗ | |||
| 43 | TubeSN: 30158-UP | 1 | Request quote | |||
| 44 | BlockSN: 30158-UP | 1 | Request quote | |||
| 45 | BandSN: 30158-UP | 2 | Request quote | |||
| 46 | BracketSN: 30158-UP | 2 | Request quote | |||
| 47 | ClampSN: 30158-UP | 2 | Request quote | |||
| 48 | BoltSN: 30158-UP | 4 | Request quote | |||
| 49 | WasherSN: 30158-UP | 4 | View product ↗ | |||
| 50 | BoltSN: 30158-UP | 8 | Request quote | |||
| 51 | WasherSN: 30158-UP | 8 | View product ↗ | |||
| 52 | BoltSN: 30158-UP | 4 | Request quote | |||
| 53 | Washer, FlatSN: 30158-UP | 16 | View product ↗ | |||
| 54 | O-ring, (Kit : K08)SN: 30158-UP | 1 | Request quote | |||
| 55 | O-ring, (Kit : K08)SN: 30158-UP | 1 | View product ↗ | |||
| 56 | BoltSN: 30158-UP | 4 | Request quote | |||
| 57 | WasherSN: 30158-UP | 4 | View product ↗ | |||
| 58 | Flange, SplitSN: 30158-UP | 6 | Request quote | |||
| 59 | CapSN: 30158-UP | 3 | Request quote | |||
| 60 | BoltSN: 30158-UP | 12 | Request quote |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
Using Komatsu PC1250-8 Excavator Arm Cylinder (#30158-) Parts
Use the Komatsu PC1250-8 Excavator Arm Cylinder (#30158-) Parts listing to identify aftermarket replacement parts within the work equipment section. This excavator application is listed for machine serial 30158-UP; the diagram and parts table retain the selected configuration and its source notes.
The parts table contains 61 listed part occurrences, including cylinder assembly (reference 707-01-0CA40), cylinder (reference 707-13-25210) and rod, piston (reference 707-58-17050). Read any option and reference notes beside these entries before choosing a replacement; repeated references may represent separate positions in the source list.
For work-equipment parts, check the attachment configuration and any boom, arm, bucket or lift arrangement named in the assembly. Keep capacity, length and left/right distinctions wherever the source provides them.
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.