How do I confirm pilotpart851155 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

Exhaust Outlet Connection Gasket 3921961 for Cummins Engine 4B3.9 6B5.9 6C8.3 G5.9 ISL9 QSB5.9 QSB6.7 QSB7-DM QSC8.3 QSL9 QSM11

For Cummins Injector Seal Kit

Gasket, Seal & Pin pilotpart851155 for Cummins s: For CUMMINS

OEM / REF: pilotpart851155SKU: pilotpart851155

Exhaust Outlet Connection Gasket 3921961 for Cummins Engine 4B3.9 6B5.9 6C8.3 G5.9 ISL9 QSB5.9 QSB6.7 QSB7-DM QSC8.3 QSL9 QSM11 is a Gasket, Seal & Pin replacement part for Cummins Engine Spare Parts, categorized under Engine Spare Parts > Gasket, Seal & Pin. Use OEM part number pilotpart851155 and confirm machine m...

Stock: In stock
Condition: New
Fitment: Cummins Engine Spare Parts
Category: Injector Seal Kit

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$17.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 22 – Aug 29
10	Aug 20 – Aug 27
50	Aug 18 – Aug 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.

Injector Seal Kit Description

This Injector Seal Kit is indexed for Cummins s: For CUMMINS. Compare reference number pilotpart851155 against the label on your existing Cummins component before ordering.

Before checkout, compare OEM part number pilotpart851155, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

pilotpart851155

Applications

Cummins s: For CUMMINS

Fitment Notes

Brand or application signal: Cummins Engine Spare Parts
Product family: Injector Seal Kit
System category: Engine Spare Parts > Fuel System > Injector 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.