Excavator Spare Parts
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EexcavaStart Hoist Cylinder Seal Kit with primary reference 707-99-47110 for Komatsu HD325-6, HD325-6W, HD325-7, HD325-7R, HD405-6, HD405-7 and HD405-7R. Verified interchange reference: 566-63-62100. The punctuation-free form 7079947110 is a same-number search alias, not a separate interchange. Verified rod diameters are 90 mm and 140 mm; bore diameters are 120 mm and 160 mm. Confirm model, serial range and hoist-cylinder configuration before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary OEM Reference | Komatsu compatibility lookup; no OEM-authenticity claim | 707-99-47110 |
| Verified Interchange | Alternative Komatsu reference | 566-63-62100 |
| Same-number Format Alias | Punctuation-free search form; not a separate interchange | 7079947110 |
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
10 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 Compatible Equipment Make: Komatsu, HD325-6: S/N 5001-UP, HD325-6W: S/N 5001-UP, HD325-7: S/N 7001-7589 (ecot3); S/N 7590-UP, HD325-7R: S/N 11001-11033 (without EGR); S/N 11034-UP, HD405-6: S/N 1001-UP, HD405-7: S/N 3001-7593; S/N 7594-UP, HD405-7R: S/N 11001-11033 (without EGR); S/N 11034-UP and 2 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.
Documented direct interchanges: 566-63-62100. Formatting aliases for the same number: 7079947110.
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.
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