Excavator Spare Parts
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Air-pressure brake-booster assembly identified by part number W085700000 and manufacturer code SG50-3510002. The 658C/659C parts manual places two booster assemblies in the wheel-loader braking system. Confirm the loader model, serial range, ports and mounting before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Air-pressure brake booster | W085700000 |
| Manufacturer Part Number | Braking-system parts-manual number | SG50-3510002 |
| Source Catalog Reference | Exact-number wheel-loader brake-booster reference | 5386692 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
3 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Recorded compatible model references include Wheel loader: SEM 658C / 659C, Source-recorded application: SEM 668C; confirm by serial number and port layout, Fitment limitation: Confirm loader serial range, hydraulic ports and mounting. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: SG50-3510002.
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
Continue comparing verified references from the same system.
