How do I confirm pilotpart323315 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

Main Relief Valve 709-90-52203 For Komatsu Excavator PC400-5

For Komatsu Main & Relief Valve

Main & Relief Valve 709-90-52203 for Komatsu Models:

OEM / REF: 709-90-52203SKU: pilotpart323315

Main Relief Valve 709-90-52203 For Komatsu Excavator PC400-5 is a Main & Relief Valve replacement part indexed for Part Number and Komatsu Excavator PC400-5 Main Relief Valve 709-90-52203 Compatible Models:, with 3 application records on file. Match OEM part number 709-90-52203 and confirm fitment for Komatsu Hydrau...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$158.28USD/EA

~~$29,899.00~~Save 99%

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.

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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 Part Number; Komatsu Excavator PC400-5 Main Relief Valve 709-90-52203 Compatible Models:; Komatsu Excavator PC400-5 Main Relief Valve 709-90-52203 Compatible PC300-5 PC400-5; Komatsu Excavator PC400-5 Main Relief Valve 709-90-52203 Compatible Details:. Compare reference number 709-90-52203 against the label on your existing Komatsu component before ordering.

Before checkout, compare OEM part number 709-90-52203, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

709-90-52203

Applications

Part Number
Komatsu Excavator PC400-5 Main Relief Valve 709-90-52203 Compatible Models:
Komatsu Excavator PC400-5 Main Relief Valve 709-90-52203 Compatible PC300-5 PC400-5
Komatsu Excavator PC400-5 Main Relief Valve 709-90-52203 Compatible Details:
Komatsu Excavator PC400-5 Main Relief Valve 709-90-52203 Compatible PC300HD-5K S/N 20001-UP PC400HD-5K S/N 20001-UP

Specifications

Part Number	709-90-52203,709-9052-203,7099052203

Fitment Notes

Brand or application signal: Komatsu 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.