How do I confirm pilotpart283603-9005737181432 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

Port Relief Valve 31QB-17780 31QB-17780K for Hyundai Excavator R380LC-9 R390LC-9 R430LC-9 R480LC-9 R520LC-9 R700LC-9 R800LC-9

For Hyundai Main & Relief Valve

Main & Relief Valve 31QB-17780 for Hyundai

OEM / REF: 31QB-17780SKU: pilotpart283603-9005737181432

Port Relief Valve 31QB-17780 31QB-17780K for Hyundai Excavator R380LC-9 R390LC-9 R430LC-9 R480LC-9 R520LC-9 R700LC-9 R800LC-9 is a Main & Relief Valve replacement part for Hyundai Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Main & Relief Valve. Use OEM part number 31QB-17780 and conf...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$298.00USD/EA

Estimated delivery by quantity

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

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.

Main & Relief Valve Description

This Main & Relief Valve is indexed for Hyundai Fit for Hyundai Excavator: HX480L, HX520L, R360LC-9, R380LC-9, R380LC-9SH, R390LC-9, R390LC-9(INDIA), R430LC-9, R430LC-9SH, R480LC-9, R480LC-9A, R480LC-9S, R500LC-7, R520LC-9, R520LC-9A, R520LC-9S, R700LC-9, R800LC-9, R800LC-9 FS. Compare reference number 31QB-17780 against the label on your existing Hyundai component before ordering.

Additional cross references on file: 31QB-17780K. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

31QB-17780 31QB-17780K

Applications

Hyundai Fit for Hyundai Excavator: HX480L, HX520L, R360LC-9, R380LC-9, R380LC-9SH, R390LC-9, R390LC-9(INDIA), R430LC-9, R430LC-9SH, R480LC-9, R480LC-9A, R480LC-9S, R500LC-7, R520LC-9, R520LC-9A, R520LC-9S, R700LC-9, R800LC-9, R800LC-9 FS

Fitment Notes

Brand or application signal: Hyundai 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.