How do I confirm pilotpart523795-9010761072888 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

Swing Motor Relief Valve 4286404 4328226 4373201 for Hitachi Excavator EX100-2 EX120-2 EX100-3 EX120-3 EX100-5 EX100-5 EX120-5 EX135UR EX140US-5 ZX125W

For Hitachi Main & Relief Valve

Main & Relief Valve 4286404 for Hitachi

OEM / REF: 4286404SKU: pilotpart523795-9010761072888

Swing Motor Relief Valve 4286404 4328226 4373201 for Hitachi Excavator EX100-2 EX120-2 EX100-3 EX120-3 EX100-5 EX100-5 EX120-5 EX135UR EX140US-5 ZX125W is a Main & Relief Valve replacement part for Hitachi Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Main & Relief Valve. Use OEM part...

Stock: In stock
Condition: New
Fitment: Hitachi Hydraulic & Pneumatic Parts
Category: Main & Relief Valve

Fitment support before you order
Worldwide delivery options

Quote required

Price on requestRFQ

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Sep 22 – Sep 29
10	Sep 20 – Sep 27
50	Sep 18 – Sep 25

Estimates from today; confirm exact lead time before payment.

Quantity

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This part requires a quote. Add it to your quote list or send machine details for pricing and lead time.

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

Main & Relief Valve Description

This Main & Relief Valve is indexed for Hitachi Fit for Hitachi Excavator: EX100-2, EX100-2m, EX100M-2, EX100M-2m, EX100WD-2, EX120-2, EX120-2m, EX120K-2, EX120K-2m, EX100-3, EX100-3C, EX100-3m, EX100M-3, EX100M-3m, EX100WD-3, EX100WD-3C, EX120-3, EX120-3C, EX120-3m, EX120K-3, EX120K-3m, EX100-5, EX100-5 JPN, EX100M-5, EX120-5, EX120-5 JPN, EX120-5HG, EX120-5LV JPN, EX120-5X, EX120-5Z, EX120SS-5, EX125WD-5, EX130H-5, EX130H-5 JPN, EX130K-5, EX135UR, EX135UR-5, EX135US-5, EX135USR, EX135USRK, EX140US-5, ZX125W. Compare reference number 4286404 against the label on your existing Hitachi component before ordering.

Additional cross references on file: 4328226, 4373201. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4286404 4328226 4373201

Applications

Hitachi Fit for Hitachi Excavator: EX100-2, EX100-2m, EX100M-2, EX100M-2m, EX100WD-2, EX120-2, EX120-2m, EX120K-2, EX120K-2m, EX100-3, EX100-3C, EX100-3m, EX100M-3, EX100M-3m, EX100WD-3, EX100WD-3C, EX120-3, EX120-3C, EX120-3m, EX120K-3, EX120K-3m, EX100-5, EX100-5 JPN, EX100M-5, EX120-5, EX120-5 JPN, EX120-5HG, EX120-5LV JPN, EX120-5X, EX120-5Z, EX120SS-5, EX125WD-5, EX130H-5, EX130H-5 JPN, EX130K-5, EX135UR, EX135UR-5, EX135US-5, EX135USR, EX135USRK, EX140US-5, ZX125W

Fitment Notes

Brand or application signal: Hitachi Hydraulic & Pneumatic Parts
Product family: Main & Relief Valve
System category: Hydraulic & Pneumatic Parts > Hydraulic & Pneumatic Valves > Main & Relief Valve
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.