In StockInjector Fuel Supply Tube 3924421 for Cummins Engine 6CT8.3 C300
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For CumminsTube and Pipe

Tube and Pipe 3924421 for Cummins Cummins

OEM / REF: 3924421SKU: pilotpart276786

Injector Fuel Supply Tube 3924421 for Cummins Engine 6CT8.3 C300 is a Tube and Pipe replacement part indexed for Part Number and Cummins Engine: 6CT8.3,C300,,QSL9,C8.3,ISL,6L8.9,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,...

Stock
In stock
Condition
New
Fitment
Cummins Seals, Filters & Maintenance Parts
  • Fitment support before you order
  • Worldwide delivery options

Tube and Pipe Description

This Tube and Pipe is indexed for Part Number; Cummins Engine: 6CT8.3,C300,,QSL9,C8.3,ISL,6L8.9,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 Cummins Engine:6CT8.3,C300,,QSL9,C8.3,ISL,6L8.9,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 Cummins. Compare reference number 3924421 against the label on your existing Cummins component before ordering.

Additional cross references on file: 3925324, 6CT8.3, C300. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Part Number
  • Cummins Engine: 6CT8.3,C300,,QSL9,C8.3,ISL,6L8.9,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 Cummins Engine:6CT8.3,C300,,QSL9,C8.3,ISL,6L8.9,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 Cummins

Specifications

Part Number3924421, 3925324

Fitment Notes

Brand or application signal
Cummins Seals, Filters & Maintenance Parts
Product family
Tube and Pipe
System category
Seals, Filters & Maintenance Parts > Maintenance Components > Tube and Pipe
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.

Confirm fitment

Send machine details before ordering high-risk parts.