How do I confirm pilotpart639251-8589031375096 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

For Komatsu Excavator PC78UU Lower Water Hose 203-03-67190

For Komatsu Hose

Hose 203-03-67190 for Komatsu

OEM / REF: 203-03-67190SKU: pilotpart639251-8589031375096

For Komatsu Excavator PC78UU Lower Water Hose 203-03-67190 is a Hose replacement part for Komatsu Seals, Filters & Maintenance Parts, categorized under Seals, Filters & Maintenance Parts > Hose. Use OEM part number 203-03-67190 and confirm machine model, engine model, and serial details before checkout.

Stock: In stock
Condition: New
Fitment: Komatsu Seals, Filters & Maintenance Parts
Category: Hose

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$45.00USD/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

Confirm fitment before ordering →

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

Hose Description

This Hose is indexed for Komatsu Hydraulic Excavator PC100-6; PC100-6Z; PC100L-6; PC120-6; PC120-6Z-W; PC120-6Z; PC120LC-6; PC120LC-6E0; PC130-6. Compare reference number 203-03-67190 against the label on your existing Komatsu component before ordering.

Additional cross references on file: WY203-03-67190. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

203-03-67190 WY203-03-67190

Applications

Komatsu Hydraulic Excavator PC100-6; PC100-6Z; PC100L-6; PC120-6; PC120-6Z-W; PC120-6Z; PC120LC-6; PC120LC-6E0; PC130-6

Fitment Notes

Brand or application signal: Komatsu Seals, Filters & Maintenance Parts
Product family: Hose
System category: Seals, Filters & Maintenance Parts > Maintenance Components > Hose
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.