How do I confirm pilotpart106273 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 Cummins Injection Pump

Injection Pump 3912643 for Cummins

Q: What part numbers are associated with this Injection Pump?

3912643, 3991485, 3938372, 0402066741, ISL9, C8.3, 6CT8.3, CM2150, 6L8.9, ISC8.3, CM2250, CM2180

OEM / REF: 3912643SKU: pilotpart106273

Fuel Injection Pump 3912643 for Cummins Engine 6CT 6CT8.3 6C is a Injection Pump replacement part indexed for Part Number and Cummins Engine: ISL,ISL9,C8.3,6C,6CT 6CT8.3,C8.3,ISC CM2150,6L8.9,ISC8.3 CM2250,ISL G CM2180,QSL9 CM2250,QSC8.3 CM554,ISL9 CM2250,QSL9 CM554,6C,QSL9 CM850,C Gas Plus CM556,C8.3G,G8.3,L Gas Pl...

Stock: In stock
Condition: New
Fitment: Cummins Engine Spare Parts
Category: Injection Pump

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$2,874.90USD/EA

~~$8,228.00~~Save 65%

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

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

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Lead times can vary by freight route and customs. Contact support for expedited shipping.

Injection Pump Description

This Injection Pump is indexed for Part Number; Cummins Engine: ISL,ISL9,C8.3,6C,6CT 6CT8.3,C8.3,ISC CM2150,6L8.9,ISC8.3 CM2250,ISL G CM2180,QSL9 CM2250,QSC8.3 CM554,ISL9 CM2250,QSL9 CM554,6C,QSL9 CM850,C Gas Plus CM556,C8.3G,G8.3,L Gas Plus CM556,ISC CM554,QSC8.3 CM2250,QSL9 G CM558,ISC CM850,ISL CM554,QSC8.3 CM850,ISL CM2150,ISL CM2150 SN,ISL CM850,GTA8.3 CM558; Cummins s: Fit for Cummins Engine: 6CT, 6CTA 8.3L, 6C. Compare reference number 3912643 against the label on your existing Cummins component before ordering.

Additional cross references on file: 3991485, 3938372, 0402066741. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3912643 3991485 3938372 0402066741ISL9C8.36CT8.3 CM21506L8.9ISC8.3 CM2250 CM2180

Applications

Part Number
Cummins Engine: ISL,ISL9,C8.3,6C,6CT 6CT8.3,C8.3,ISC CM2150,6L8.9,ISC8.3 CM2250,ISL G CM2180,QSL9 CM2250,QSC8.3 CM554,ISL9 CM2250,QSL9 CM554,6C,QSL9 CM850,C Gas Plus CM556,C8.3G,G8.3,L Gas Plus CM556,ISC CM554,QSC8.3 CM2250,QSL9 G CM558,ISC CM850,ISL CM554,QSC8.3 CM850,ISL CM2150,ISL CM2150 SN,ISL CM850,GTA8.3 CM558
Cummins s: Fit for Cummins Engine: 6CT, 6CTA 8.3L, 6C

Specifications

Part Number	3912643, 3991485, 3938372, 0402066741

Fitment Notes

Brand or application signal: Cummins Engine Spare Parts
Product family: Injection Pump
System category: Engine Spare Parts > Fuel System > Injection Pump
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.