In StockFan Spacer 3903819 for Cummins Engine G5.9 B4.5S QSB5.9-44 ISB
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Other Engine Parts 3903819 for Cummins B Gas Plus CM556 Engine

OEM / REF: 3903819SKU: pilotpart246532

Fan Spacer 3903819 for Cummins Engine G5.9 B4.5S QSB5.9-44 ISB is a Other Engine Parts replacement part indexed for Cummins · B Gas International CM556 and Cummins · B Gas Plus CM556, with 3 application records on file. Match OEM part number 3903819 and confirm fitment for Cummins Engine Spare Parts before ordering.

Stock
In stock
Condition
New
Fitment
Cummins Engine Spare Parts
  • Fitment support before you order
  • Worldwide delivery options

Other Engine Parts Description

This Other Engine Parts is indexed for Cummins · B Gas International CM556; Cummins · B Gas Plus CM556; Cummins · B LPG Plus CM556; Cummins · B3.9. Compare reference number 3903819 against the label on your existing Cummins component before ordering.

Before checkout, compare OEM part number 3903819, 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

3903819

Applications

  • Cummins · B Gas International CM556
  • Cummins · B Gas Plus CM556
  • Cummins · B LPG Plus CM556
  • Cummins · B3.9
  • Cummins · B4.5
  • Cummins · B4.5 RGT
  • Cummins · B4.5S
  • Cummins · B4.5s
  • Cummins · B5.9
  • Cummins · B5.9 G
  • Cummins · B5.9 LPG Plus CM556
  • Cummins · B6.7s
  • Cummins · G3.9
  • Cummins · G5.9
  • Cummins · G5.9 CM558
  • Cummins · ISB
  • Cummins · ISB 5.9 G CM2180
  • Cummins · ISB CM2150
  • Cummins · ISB CM550
  • Cummins · ISB CM800
  • Cummins · ISB CM850
  • Cummins · ISB4.5 CM2150 SN
  • Cummins · ISB6.7 CM2150 SN
  • Cummins · ISB6.7 CM2150 SQ
  • Cummins · ISB6.7 CM2250
  • Cummins · ISBe CM800
  • Cummins · ISBe CM850
  • Cummins · ISBe4 CM2150
  • Cummins · ISBe4 CM850
  • Cummins · ISBe5 CM2150 SN
  • Cummins · ISD4.5 CM2150
  • Cummins · ISD4.5 CM2150 SN
  • Cummins · ISD6.7 CM2150
  • Cummins · ISD6.7 CM2150 SN
  • Cummins · ISF2.8 CM2220 AN
  • Cummins · ISF3.8 CM2220 AN
  • Cummins · QSB3.9-30 CM550
  • Cummins · QSB4.5 CM850
  • Cummins · QSB4.5-30 CM550
  • Cummins · QSB5.9 CM850
  • Cummins · QSB5.9-30 CM550
  • Cummins · QSB5.9-44
  • Cummins · QSB5.9-44 CM550
  • Cummins · QSB6.7 CM2250
  • Cummins · QSB6.7 CM850
  • Cummins G5.9,B4.5S,QSB5.9-44,ISB,ISD4.5 CM2150,B5.9 LPG Plus CM556,G5.9,ISB 5.9 G CM2180,B4.5s,ISF3.8 CM2220 AN,ISB6.7 CM2250,B4.5 RGT,ISB CM800,QSB5.9-44 CM550,B5.9 G,G3.9,ISBe4 CM850,ISD6.7 CM2150,ISD6.7 CM2150 SN,QSB6.7 CM2250,QSB3.9-30 CM550,QSB5.9-30 CM550,B Gas Plus CM556,B6.7s,ISB CM2150,ISD4.5 CM2150 SN,ISB CM850,B LPG Plus CM556,B4.5,B3.9,ISF2.8 CM2220 AN,ISB6.7 CM2150 SN,QSB6.7 CM850,ISBe4 CM2150,G5.9 CM558,ISB6.7 CM2150 SQ,ISB4.5 CM2150 SN,ISB CM550,QSB5.9 CM850,B Gas International CM556,QSB4.5-30 CM550,ISBe CM800,ISBe5 CM2150 SN,QSB4.5 CM850,B5.9,ISBe CM850

Specifications

Part Number3903819

Fitment Notes

Brand or application signal
Cummins Engine Spare Parts
Product family
Other Engine Parts
System category
Engine Spare Parts > Other Engine Spare Parts > Other Engine Parts
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 & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.