How do I confirm pilotpart323686 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

Relief Valve 709-70-76101 for Komatsu Excavator PC128UU-2 PC130-8 PC130-7K PC138US-2 PC600-6

For Komatsu Main & Relief Valve

Main & Relief Valve 709-70-76101 for Komatsu

OEM / REF: 709-70-76101SKU: pilotpart323686

Relief Valve 709-70-76101 for Komatsu Excavator PC128UU-2 PC130-8 PC130-7K PC138US-2 PC600-6 is a Main & Relief Valve replacement part indexed for Part Number and Komatsu Excavator Models: PC128UU-2,PC128US-2-AC,PC128US-2,PC130-8,PC130-7K,PC130-6K,PW130-7K,PC138US-2-AC,PC138US-2 PC450LC-6K-J,PC450-6K-J,PC340NLC-6,PC...

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

$218.78USD/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.

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 Part Number; Komatsu Excavator Models: PC128UU-2,PC128US-2-AC,PC128US-2,PC130-8,PC130-7K,PC130-6K,PW130-7K,PC138US-2-AC,PC138US-2 PC450LC-6K-J,PC450-6K-J,PC340NLC-6,PC340LC-6K-J,PC600LC-7K,PC600LC-6KJ,PC600LC-6A-KJ,PC600LC-6A PC600LC-6,PC600-7K,PC600-6KJ,PC600-6A-KJ,PC600-6A,PC600-6 See Details: PC128UU-2 S/N 5001-UP EXCAVATORS PC128US-2-AC S/N 9501-UP EXCAVATORS PC128US-2 S/N 5001-9500 EXCAVATORS PC128US-2 S/N 5001-9500 (For EU) EXCAVATORS PC130-8 S/N C30001-UP EXCAVATORS PC130-8 S/N 80001-UP EXCAVATORS PC130-7K S/N 70001-UP EXCAVATORS PC130-6K S/N K30001-UP EXCAVATORS PW130-7K S/N K40001-UP EXCAVATORS PC138US-2-AC S/N 4501-UP EXCAVATORS PC138US-2 S/N 1001-UP EXCAVATORS PC450LC-6K-J S/N 10001-UP EXCAVATORS PC450-6K-J S/N 10001-UP EXCAVATORS PC340NLC-6 S/N 10001-UP EXCAVATORS PC340LC-6K-J S/N 10001-UP EXCAVATORS PC600LC-7K S/N K40001-UP EXCAVATORS PC600LC-6KJ S/N 10001-UP EXCAVATORS PC600LC-6A-KJ S/N 10001-UP EXCAVATORS PC600LC-6A S/N 10001-UP (Overseas Version) EXCAVATORS PC600LC-6 S/N 10001-UP (Overseas Version) EXCAVATORS PC600-7K S/N K40001-UP EXCAVATORS PC600-6KJ S/N 10001-UP EXCAVATORS PC600-6A-KJ S/N 10001-UP EXCAVATORS PC600-6A S/N 10001-UP (Overseas Version) EXCAVATORS PC600-6 S/N 10001-UP (Overseas Version) EXCAVATORS; Komatsu Komatsu Excavator Models: PC128UU-2,PC128US-2-AC,PC128US-2,PC130-8,PC130-7K,PC130-6K,PW130-7K,PC138US-2-AC,PC138US-2 PC450LC-6K-J,PC450-6K-J,PC340NLC-6,PC340LC-6K-J,PC600LC-7K,PC600LC-6KJ,PC600LC-6A-KJ,PC600LC-6A PC600LC-6,PC600-7K,PC600-6KJ,PC600-6A-KJ,PC600-6A,PC600-6. Compare reference number 709-70-76101 against the label on your existing Komatsu component before ordering.

Additional cross references on file: 709-70-76100. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

709-70-76101 709-70-76100

Applications

Part Number
Komatsu Excavator Models: PC128UU-2,PC128US-2-AC,PC128US-2,PC130-8,PC130-7K,PC130-6K,PW130-7K,PC138US-2-AC,PC138US-2 PC450LC-6K-J,PC450-6K-J,PC340NLC-6,PC340LC-6K-J,PC600LC-7K,PC600LC-6KJ,PC600LC-6A-KJ,PC600LC-6A PC600LC-6,PC600-7K,PC600-6KJ,PC600-6A-KJ,PC600-6A,PC600-6 See Details: PC128UU-2 S/N 5001-UP EXCAVATORS PC128US-2-AC S/N 9501-UP EXCAVATORS PC128US-2 S/N 5001-9500 EXCAVATORS PC128US-2 S/N 5001-9500 (For EU) EXCAVATORS PC130-8 S/N C30001-UP EXCAVATORS PC130-8 S/N 80001-UP EXCAVATORS PC130-7K S/N 70001-UP EXCAVATORS PC130-6K S/N K30001-UP EXCAVATORS PW130-7K S/N K40001-UP EXCAVATORS PC138US-2-AC S/N 4501-UP EXCAVATORS PC138US-2 S/N 1001-UP EXCAVATORS PC450LC-6K-J S/N 10001-UP EXCAVATORS PC450-6K-J S/N 10001-UP EXCAVATORS PC340NLC-6 S/N 10001-UP EXCAVATORS PC340LC-6K-J S/N 10001-UP EXCAVATORS PC600LC-7K S/N K40001-UP EXCAVATORS PC600LC-6KJ S/N 10001-UP EXCAVATORS PC600LC-6A-KJ S/N 10001-UP EXCAVATORS PC600LC-6A S/N 10001-UP (Overseas Version) EXCAVATORS PC600LC-6 S/N 10001-UP (Overseas Version) EXCAVATORS PC600-7K S/N K40001-UP EXCAVATORS PC600-6KJ S/N 10001-UP EXCAVATORS PC600-6A-KJ S/N 10001-UP EXCAVATORS PC600-6A S/N 10001-UP (Overseas Version) EXCAVATORS PC600-6 S/N 10001-UP (Overseas Version) EXCAVATORS
Komatsu Komatsu Excavator Models: PC128UU-2,PC128US-2-AC,PC128US-2,PC130-8,PC130-7K,PC130-6K,PW130-7K,PC138US-2-AC,PC138US-2 PC450LC-6K-J,PC450-6K-J,PC340NLC-6,PC340LC-6K-J,PC600LC-7K,PC600LC-6KJ,PC600LC-6A-KJ,PC600LC-6A PC600LC-6,PC600-7K,PC600-6KJ,PC600-6A-KJ,PC600-6A,PC600-6

Specifications

Part Number	709-70-76101,7097076101,709-70-76100,7097076100

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.