Komatsu WA250-3L Wheel Loader Cylinder Head Parts
Komatsu WA250-3L cylinder head parts for machine serial A70001-UP. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.
Catalog configuration: Engine / Cylinder Head.
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Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 32 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 | HEAD, CYLINDER | 1 | Request quote | |||
| 4 | BLOCK, CYLINDERF1 | 1 | Request quote | |||
| 1 | HEAD, CYLINDER | 1 | Request quote | |||
| 2 | PLUG, EXPANSION | 5 | Request quote | |||
| 2 | PLUG, EXPANSIONF1 | 5 | Request quote | |||
| 3 | PLUG, PIPE - 1/8 NPT | 2 | Request quote | |||
| 4 | PLUG, PIPE - 1/2 NPT | 5 | Request quote | |||
| 13 | VALVE, INTAKE | 6 | View product ↗ | |||
| 5 | COLLET, VALVE | 12 | View product ↗ | |||
| 6 | VALVE, INTAKE | 6 | Request quote | |||
| 7 | SPRING, INTAKE VALVE | 6 | View product ↗ | |||
| 7 | SPRING, INTAKE VALVEF1 | 6 | View product ↗ | |||
| 8 | RETAINER, INTAKE VALVE SPRING | 6 | Request quote | |||
| 9 | SEAL, INTAKE VALVE STEM | 6 | View product ↗ | |||
| 23 | VALVE, EXHAUST | 6 | View product ↗ | |||
| 10 | COLLET, VALVE | 12 | View product ↗ | |||
| 11 | VALVE, EXHAUST | 6 | Request quote | |||
| 12 | SPRING, EXHAUST VALVE | 6 | View product ↗ | |||
| 12 | SPRING, EXHAUST VALVEF1 | 6 | Request quote | |||
| 13 | RETAINER, EXHAUST VALVE SPRING | 6 | Request quote | |||
| 14 | SEAL, EXHAUST VALVE STEM | 6 | View product ↗ | |||
| 15 | PLUG, PIPE - 3/4 NPT | 1 | Request quote | |||
| 16 | BOLT - M12-1.75 X 70 | 6 | Request quote | |||
| 17 | BOLT - M12-1.75 X 120 | 14 | Request quote | |||
| 18 | GASKET, CYLINDER HEAD - STD | 1 | View product ↗ | |||
| 37 | GASKET, CYLINDER HEAD - 0.15 MM O/S | 1 | Request quote | |||
| 38 | GASKET, CYLINDER HEAD - 0.50 MM O/S | 1 | Request quote | |||
| 19 | INSERT, VALVE - EXHAUST | - | Request quote | |||
| 20 | INSERT, VALVE - INTAKE | - | Request quote | |||
| 21 | GUIDE, VALVE STEM - LONG INTAKE - THICK WALL | - | View product ↗ | |||
| 22 | GUIDE, VALVE STEM - LONG EXHAUST - THICK WALL | - | View product ↗ | |||
| 23 | GUIDE, VALVE STEM - INTAKE/EXHAUST - THIN WALL | - | View product ↗ |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
OR
OR
OR
OR
F1 - USE WITH ENGINE ASSEMBLY P/N 418-01-A1600.
Using Komatsu WA250-3L Wheel Loader Cylinder Head Parts
Use the Komatsu WA250-3L Wheel Loader Cylinder Head Parts listing to identify aftermarket replacement parts within the engine section. This wheel loader application is listed for machine serial A70001-UP; the diagram and parts table retain the selected configuration and its source notes.
The parts table contains 32 listed part occurrences, including head, cylinder (reference 6731-11-1271), block, cylinder (reference 6730-21-1200) and head, cylinder (reference NSS). 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.