How do I confirm pilotpart121691 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

New 12mm Banjo Bolt Seals Fuel Line Sealing Washer 12V 24V 3963983 for Cummins

For Cummins Seal Kit

Seal Kit 3963983 for Cummins

OEM / REF: 3963983SKU: pilotpart121691

New 12mm Banjo Bolt Seals Fuel Line Sealing Washer 12V 24V 3963983 for Cummins is a Seal Kit replacement part for Cummins Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Seal Kit. Use OEM part number 3963983 and confirm machine model, engine model, and serial details before checkout.

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

$15.00USD/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

This Seal Kit is indexed for Cummins Cummins EAN: 8414837082603. Compare reference number 3963983 against the label on your existing Cummins component before ordering.

Additional cross references on file: B081ZZPNGN. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3963983 B081ZZPNGN

Applications

Cummins Cummins EAN: 8414837082603

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.