In StockWater Separator 21W-04-41161 For Komatsu Excavator PC78MR-6 PC78US-6 PC78UU-6 PC88MR-6 PW98MR-6
For KomatsuFuel Water Separator

Fuel Water Separator 21W-04-41161 for Komatsu

OEM / REF: 21W-04-41161SKU: pilotpart290688

Water Separator 21W-04-41161 For Komatsu Excavator PC78MR-6 PC78US-6 PC78UU-6 PC88MR-6 PW98MR-6 is a Fuel Water Separator replacement part indexed for Part Number and Komatsu Excavator PC78MR-6 PC78US-6 PC78UU-6 PC88MR-6 PW98MR-6 Water Separator 21W-04-41161, with 3 application records on file. Match OEM part number...

Stock
In stock
Condition
New
Fitment
Komatsu Seals, Filters & Maintenance Parts
  • Fitment support before you order
  • Worldwide delivery options

Fuel Water Separator Description

This Fuel Water Separator is indexed for Part Number; Komatsu Excavator PC78MR-6 PC78US-6 PC78UU-6 PC88MR-6 PW98MR-6 Water Separator 21W-04-41161; Komatsu Excavator Models: PC78MR-6,PC78US-6,PC78UU-6,PC88MR-6,PW98MR-6 Details: PC78MR-6 S/N 1001-UP (For EU) PC78MR-6 S/N 1001-UP (For EU) EXCAVATORS PC78MR-6 S/N 1001-UP (For North America) PC78MR-6 S/N 1001-UP (For North America) EXCAVATORS PC78US-6 S/N 4001-UP PC78US-6 S/N 4001-UP (For North America) PC78US-6 S/N 4001-UP (For North America) EXCAVATORS PC78US-6 S/N 4001-UP (For Norway) PC78US-6 S/N 4001-UP (For Norway) EXCAVATORS PC78US-6 S/N 4001-UP (Overseas Version) PC78US-6 S/N 4001-UP (Overseas Version) EXCAVATORS PC78US-6 S/N 4001-UP EXCAVATORS PC78UU-6 S/N 22001-UP PC78UU-6 S/N 22001-UP EXCAVATORS PC88MR-6 S/N F00003 AND UP PC88MR-6 S/N F00003 AND UP EXCAVATORS PW98MR-6 S/N F00003-Up PW98MR-6 S/N F00003-Up EXCAVATORS. Compare reference number 21W-04-41161 against the label on your existing Komatsu component before ordering.

Additional cross references on file: PC78MR-6, PC78US-6, PC78UU-6. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Part Number
  • Komatsu Excavator PC78MR-6 PC78US-6 PC78UU-6 PC88MR-6 PW98MR-6 Water Separator 21W-04-41161
  • Komatsu Excavator Models: PC78MR-6,PC78US-6,PC78UU-6,PC88MR-6,PW98MR-6 Details: PC78MR-6 S/N 1001-UP (For EU) PC78MR-6 S/N 1001-UP (For EU) EXCAVATORS PC78MR-6 S/N 1001-UP (For North America) PC78MR-6 S/N 1001-UP (For North America) EXCAVATORS PC78US-6 S/N 4001-UP PC78US-6 S/N 4001-UP (For North America) PC78US-6 S/N 4001-UP (For North America) EXCAVATORS PC78US-6 S/N 4001-UP (For Norway) PC78US-6 S/N 4001-UP (For Norway) EXCAVATORS PC78US-6 S/N 4001-UP (Overseas Version) PC78US-6 S/N 4001-UP (Overseas Version) EXCAVATORS PC78US-6 S/N 4001-UP EXCAVATORS PC78UU-6 S/N 22001-UP PC78UU-6 S/N 22001-UP EXCAVATORS PC88MR-6 S/N F00003 AND UP PC88MR-6 S/N F00003 AND UP EXCAVATORS PW98MR-6 S/N F00003-Up PW98MR-6 S/N F00003-Up EXCAVATORS

Specifications

Part Number21W-04-41161, 21W0441161

Fitment Notes

Brand or application signal
Komatsu Seals, Filters & Maintenance Parts
Product family
Fuel Water Separator
System category
Seals, Filters & Maintenance Parts > Filters > Fuel Water Separator
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.

Confirm fitment

Send machine details before ordering high-risk parts.