How do I confirm pilotpart952979 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

Fuel Water Separator 3355904 for Cummins Engine ISC ISL 6BT5.9 6BTA5.9 ISB99 M11

For Cummins Water Separator

Water Separator 6BT5.9 for Cummins

Q: What part numbers are associated with this Water Separator?

6BT5.9, 6BTA5.9, ISB99, 3355904

OEM / REF: 6BT5.9SKU: pilotpart952979

Fuel Water Separator 3355904 for Cummins Engine ISC ISL 6BT5.9 6BTA5.9 ISB99 M11 is a Water Separator replacement part for Cummins Seals, Filters & Maintenance Parts, categorized under Seals, Filters & Maintenance Parts > Water Separator. Use OEM part number 6BT5.9 and confirm machine model, engine model, and serial...

Stock: In stock
Condition: New
Fitment: Cummins Seals, Filters & Maintenance Parts
Category: Water Separator

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$47.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 14 – Aug 21
10	Aug 12 – Aug 19
50	Aug 10 – Aug 17

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.

Water Separator Description

Cummins Water Separator buyers can use 6BT5.9 to cross-check shape, connector style, and mounting position against the component being replaced.

Additional cross references on file: 6BTA5.9, ISB99, 3355904. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

6BT5.9 6BTA5.9 ISB99 3355904

Fitment Notes

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