How do I confirm pilotpart082899 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

Rear Main Crankshaft Oil Seal kit 3925529 for Cummins Engine 6C 4B 4BT 4BTA 6B 6BT 6BTA ISB 5.9L ISB6.7 ISB5.9 QSB

For Cummins Seal Kit

Seal Kit 4BTA for Cummins

Q: What part numbers are associated with this Seal Kit?

4BTA, 6BTA, ISB6.7, ISB5.9, 3925529

OEM / REF: 4BTASKU: pilotpart082899

Rear Main Crankshaft Oil Seal kit 3925529 for Cummins Engine 6C 4B 4BT 4BTA 6B 6BT 6BTA ISB 5.9L ISB6.7 ISB5.9 QSB is a Seal Kit replacement part for Cummins Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Seal Kit. Use OEM part number 4BTA and confirm machine model, engine model, and se...

Stock: In stock
Condition: New
Fitment: Cummins Hydraulic & Pneumatic Parts
Category: Seal Kit

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$18.00USD/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.

Seal Kit Description

The product belongs to Hydraulic & Pneumatic Parts > Other Hydraulic & Pneumatic Parts > Seal Kit, making it useful when comparing related hydraulic & pneumatic parts Seal Kit options for Cummins Hydraulic & Pneumatic Parts.

Additional cross references on file: 6BTA, ISB6.7, ISB5.9. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4BTA6BTAISB6.7 ISB5.9 3925529

Fitment Notes

Brand or application signal: Cummins Hydraulic & Pneumatic Parts
Product family: Seal Kit
System category: Hydraulic & Pneumatic Parts > Other Hydraulic & Pneumatic Parts > Seal Kit
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.