Komatsu PC450-8 Excavator Engine Oil Pump, (#562439-) Parts
Komatsu PC450-8 engine oil pump, (#562439-) parts for machine serial 70001-UP. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.
Catalog configuration: SAA6D125E-5F SN 562304-UP (For PC400-8/PC400LC-8/PC450-8/PC450LC-8/PC550LC-8) / Engine Lubrication System / Engine Oil Pump / Engine Oil Pump, (#562439-).
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Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 9 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 Assembly, OilSN: 562439-UP | 1 | View product ↗ | |||
| 12 | ValveSN: 562439-UP | 1 | Request quote | |||
| 13 | SpringSN: 562439-UP | 1 | Request quote | |||
| 14 | PlugSN: 562439-UP | 1 | Request quote | |||
| 16 | RingSN: 560001-UP, KIT-FLAG: S | 1 | View product ↗ | |||
| 17 | RingSN: 560001-UP, KIT-FLAG: S | 1 | View product ↗ | |||
| 18 | BoltSN: 560001-UP | 3 | Request quote | |||
| 19 | BoltSN: 560001-UP | 1 | Request quote | |||
| 20 | WasherSN: 560001-UP | 1 | View product ↗ |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
Shaft Assembly
Shaft
Gear
Cover Assembly
Cover Assembly
Cover
Bushing
Shaft
Pin
Gear
Case Assembly
Case
Bushing
Gear Assembly
Gear
Bushing
Bolt
Using Komatsu PC450-8 Excavator Engine Oil Pump, (#562439-) Parts
Use the Komatsu PC450-8 Excavator Engine Oil Pump, (#562439-) Parts listing to identify aftermarket replacement parts within the engine lubrication 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 9 listed part occurrences, including pump assembly, oil (reference 6251-51-1001), valve (reference PML136-02800) and spring (reference PML137-06010). Read any option and reference notes beside these entries before choosing a replacement; repeated references may represent separate positions in the source list.
The source engine application is SAA6D125E-5F (engine serial 562304-UP). Match that engine identification as well as the machine serial range; the general machine model is not a substitute for engine-specific applicability.
For lubrication-system components, match the engine application and the notes attached to the part number. This catalog identifies parts; it does not replace the service manual for lubricant selection or maintenance procedures.
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.