How do I confirm pilotpart306963 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

Pump Coupling Assy 4275308 For Hitachi Excavator EX60-2 EX70LCK-5 EX75UR

For Hitachi Hydraulic Coupler

Hydraulic Coupler 4275308 for Hitachi

Q: What part numbers are associated with this Hydraulic Coupler?

4275308, EX60-2, EX60-3, EX60-5, EX60-5LC, EX60BUN-5, EX60LCK-3, EX60LCT-3, EX60T-2, EX60WD-2EX70LCK-5, EX75UR, EX75UR-3

OEM / REF: 4275308SKU: pilotpart306963

Pump Coupling Assy 4275308 For Hitachi Excavator EX60-2 EX70LCK-5 EX75UR is a Hydraulic Coupler replacement part indexed for Part Number and Hitachi Excavator EX60-2 EX70LCK-5 EX75UR Pump Coupling Assy 4275308. Match OEM part number 4275308 and confirm fitment for Hitachi Hydraulic & Pneumatic Parts before ordering.

Stock: In stock
Condition: New
Fitment: Hitachi Hydraulic & Pneumatic Parts
Category: Hydraulic Coupler

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$174.09USD/EA

~~$29,899.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 10 – Aug 17
10	Aug 8 – Aug 15
50	Aug 6 – Aug 13

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

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

Hydraulic Coupler Description

This Hydraulic Coupler is indexed for Part Number; Hitachi Excavator EX60-2 EX70LCK-5 EX75UR Pump Coupling Assy 4275308. Compare reference number 4275308 against the label on your existing Hitachi component before ordering.

Additional cross references on file: EX60-2, EX60-3, EX60-5. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4275308 EX60-2 EX60-3 EX60-5 EX60-5LC EX60BUN-5 EX60LCK-3 EX60LCT-3 EX60T-2 EX60WD-2EX70LCK-5 EX75UR EX75UR-3

Applications

Part Number
Hitachi Excavator EX60-2 EX70LCK-5 EX75UR Pump Coupling Assy 4275308

Specifications

Part Number	4275308

Fitment Notes

Brand or application signal: Hitachi Hydraulic & Pneumatic Parts
Product family: Hydraulic Coupler
System category: Hydraulic & Pneumatic Parts > Connections > Hydraulic Coupler
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.