How do I confirm pilotpart290674 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

Expansion Tank 419-03-21320 For Komatsu Excavator PC300-8 PC350-8 PC400-8

For Komatsu Hydraulic Pumps & Motors

Hydraulic Pumps & Motors 419-03-21320 for Komatsu

Q: What part numbers are associated with this Hydraulic Pumps & Motors?

419-03-21320, ExcavatorPC300-8, PC300LC-7E0, PC300LC-8, PC350-8, PC350LC-8, PC400-7E0, PC400-8, PC400_8R_W1

OEM / REF: 419-03-21320SKU: pilotpart290674

Expansion Tank 419-03-21320 For Komatsu Excavator PC300-8 PC350-8 PC400-8 is a Hydraulic Pumps & Motors replacement part indexed for Part Number and Komatsu Excavator PC300-8 PC350-8 PC400-8 Expansion Tank 419-03-21320, with 3 application records on file. Match OEM part number 419-03-21320 and confirm fitment for Ko...

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

Fitment support before you order
Worldwide delivery options

Quote required

Price on requestRFQ

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 21 – Oct 28
10	Oct 19 – Oct 26
50	Oct 17 – Oct 24

Estimates from today; confirm exact lead time before payment.

Quantity

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This part requires a quote. Add it to your quote list or send machine details for pricing and lead time.

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

Hydraulic Pumps & Motors Description

This Hydraulic Pumps & Motors is indexed for Part Number; Komatsu Excavator PC300-8 PC350-8 PC400-8 Expansion Tank 419-03-21320; Hydraulic ExcavatorPC300-8,PC300LC-7E0,PC300LC-8,PC350-8,PC350LC-8,PC400-7E0,PC400-8,PC400_8R_W1. Compare reference number 419-03-21320 against the label on your existing Komatsu component before ordering.

Additional cross references on file: ExcavatorPC300-8, PC300LC-7E0, PC300LC-8. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

419-03-21320 ExcavatorPC300-8 PC300LC-7E0 PC300LC-8 PC350-8 PC350LC-8 PC400-7E0 PC400-8 PC400_8R_W1

Applications

Part Number
Komatsu Excavator PC300-8 PC350-8 PC400-8 Expansion Tank 419-03-21320
Hydraulic ExcavatorPC300-8,PC300LC-7E0,PC300LC-8,PC350-8,PC350LC-8,PC400-7E0,PC400-8,PC400_8R_W1

Specifications

Part Number	419-03-21320,4190321320

Fitment Notes

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