How do I confirm pilotpart312731 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

Lower Water Hose 203-03-56190 For Komatsu Excavator PC100-5

For Komatsu Connections

Connections 203-03-56190 for Komatsu

OEM / REF: 203-03-56190SKU: pilotpart312731

Lower Water Hose 203-03-56190 For Komatsu Excavator PC100-5 is a Connections replacement part indexed for Part Number and Komatsu Excavator PC100-5 Lower Water Hose 203-03-56190, with 3 application records on file. Match OEM part number 203-03-56190 and confirm fitment for Komatsu Hydraulic & Pneumatic Parts before...

Stock: In stock
Condition: New
Fitment: Komatsu Hydraulic & Pneumatic Parts
Category: Connections

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$121.20USD/EA

~~$29,899.00~~Save 100%

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.

Connections Description

This Connections is indexed for Part Number; Komatsu Excavator PC100-5 Lower Water Hose 203-03-56190; Hydraulic Excavator PC100-5; PC100-5C; PC120-5 See Details: PC100-5 S/N 28001-UP PC100-5 S/N 28001-UP PC100-5C S/N 28001-UP (Custom Spec.) PC100L-5 S/N 14001-UP PC120-5 S/N 30001-UP PC120-5 S/N 30001-UP JV80DW-1 S/N 10001-UP. Compare reference number 203-03-56190 against the label on your existing Komatsu component before ordering.

Before checkout, compare OEM part number 203-03-56190, 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

203-03-56190

Applications

Part Number
Komatsu Excavator PC100-5 Lower Water Hose 203-03-56190
Hydraulic Excavator PC100-5; PC100-5C; PC120-5 See Details: PC100-5 S/N 28001-UP PC100-5 S/N 28001-UP PC100-5C S/N 28001-UP (Custom Spec.) PC100L-5 S/N 14001-UP PC120-5 S/N 30001-UP PC120-5 S/N 30001-UP JV80DW-1 S/N 10001-UP

Specifications

Part Number	203-03-56190,2030356190

Fitment Notes

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