How do I confirm pilotpart587347 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 Caterpillar Water Separator

Water Separator 198-6378 for Caterpillar

OEM / REF: 198-6378SKU: pilotpart587347

1 Pc Fuel Water Separator 198-6378 for Caterpillar CAT Engine 3126E C7 is a Water Separator replacement part for Caterpillar Seals, Filters & Maintenance Parts, categorized under Seals, Filters & Maintenance Parts > Water Separator. Use OEM part number 198-6378 and confirm machine model, engine model, and serial det...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$36.00USD/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.

Water Separator Description

This Water Separator is indexed for Caterpillar s:for Caterpillar CAT Engine:3126E,C7. Compare reference number 198-6378 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA1986378. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

198-6378 CA1986378

Applications

Caterpillar s:for Caterpillar CAT Engine:3126E,C7

Fitment Notes

Brand or application signal: Caterpillar 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.