How do I confirm pilotpart504915-9449643213048 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

Ring Gear 5123330020 for Hitachi Excavator EX100-2 EX100-3 EX100M-2 EX100M-3 EX120-2 EX90-2

For Hitachi Bearing, Gear & Shaft

Bearing, Gear & Shaft EX100-3 for Hitachi

OEM / REF: EX100-3SKU: pilotpart504915-9449643213048

Ring Gear 5123330020 for Hitachi Excavator EX100-2 EX100-3 EX100M-2 EX100M-3 EX120-2 EX90-2 is a Bearing, Gear & Shaft replacement part for Hitachi Transmission & Undercarriage Parts, categorized under Transmission & Undercarriage Parts > Bearing, Gear & Shaft. Use OEM part number EX100-3 and confirm machine model,...

Stock: In stock
Condition: New
Fitment: Hitachi Transmission & Undercarriage Parts
Category: Bearing, Gear & Shaft

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$108.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 21 – Oct 28
10	Oct 19 – Oct 26
50	Oct 17 – Oct 24

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Bearing, Gear & Shaft Description

This Bearing, Gear & Shaft is indexed for Hitachi s: Fit for Hitachi Excavator: EX100-2, EX100-3, EX100M-2, EX100M-3, EX120-2, EX90-2. Compare reference number EX100-3 against the label on your existing Hitachi component before ordering.

Additional cross references on file: EX100M-2, EX100M-3, EX120-2. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

EX100-3 EX100M-2 EX100M-3 EX120-2 EX90-2

Applications

Hitachi s: Fit for Hitachi Excavator: EX100-2, EX100-3, EX100M-2, EX100M-3, EX120-2, EX90-2

Fitment Notes

Brand or application signal: Hitachi Transmission & Undercarriage Parts
Product family: Bearing, Gear & Shaft
System category: Transmission & Undercarriage Parts > Transmission Parts > Bearing, Gear & Shaft
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.