Alternator 9X7803 for Caterpillar 3116 Engine

OEM / REF: 9X7803SKU: pilotpart426509

Alternator 9X7803 24V 100A for Caterpillar is a Alternator replacement part indexed for CAT · 3116 and CAT · 3306, with 3 application records on file. Match OEM part number 9X7803 and confirm fitment for Caterpillar Engine Spare Parts before ordering.

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

Alternator Description

This Alternator is indexed for CAT · 3116; CAT · 3306; CAT · 3406; CAT · 3406E. Compare reference number 9X7803 against the label on your existing Caterpillar component before ordering.

Before checkout, compare OEM part number 9X7803, 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

Applications

  • CAT · 3116
  • CAT · 3306
  • CAT · 3406
  • CAT · 3406E
  • CAT · 3412
  • CAT · 3412E
  • CAT · 3508
  • CAT · 3512
  • CAT · 3516
  • CAT · C10
  • CAT · C12
  • CAT · C15
  • CAT · C16
  • CAT · C18
  • CAT · C9

Specifications

Voltage24V
Amperage100A
Part Number9X7803

Fitment Notes

Brand or application signal
Caterpillar Engine Spare Parts
Product family
Alternator
System category
Engine Spare Parts > Engine Auxiliary Components > Alternator
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.