MPA Electrical
Remanufactured

MPA Electrical 11003 Alternator

Brand MPA Electrical 11003
Amps 130 Amps
Clock 1:30
Fan Internal
Manufacturer Nippondenso
Pulley 6 Groove Serpentine
Regulator Internal
Rotation Clockwise
Volts 12 Volts
Product line Remanufactured
Fits Cadillac · 2 vehicles

Remanufactured. A remanufactured alternator for dependable charging performance.

130-amp output. Delivers strong electrical support for demanding systems.

Internal regulator. Built with an internal regulator for simpler operation.

Cross-references Quality-Built 11003, 104210-3280 and 25738783 for the same application. See all 3.

$259.62Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $259.62
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Free returns within 60 days if it doesn't fit when fitment is verified.

Remanufactured Alternator for Cadillac CTS

This MPA Electrical remanufactured alternator is built for 12-volt charging systems and delivers 130 amps of output for the 2003-2004 Cadillac CTS. It features an internal regulator, internal fan, clockwise rotation, and a 6-groove serpentine pulley for OE-style fitment.

Part number 11003 is a direct-fit charging system replacement for Cadillac CTS models with Nippondenso-style alternator applications. It also cross-references Quality-Built 11003 for the same application.

Key Features

  • 130 amp output for stable charging performance
  • 12-volt remanufactured alternator
  • Internal regulator for integrated voltage control
  • Internal fan for cooling support
  • 6-groove serpentine pulley
  • Clockwise rotation
  • Manufacturer style: Nippondenso
  • Fits 2003-2004 Cadillac CTS

Product Details

MPA Electrical part number 11003 is a remanufactured alternator for the Cadillac CTS charging system. The unit is specified with 130 amps, 12 volts, an internal regulator, and an internal fan, making it a practical OE-style replacement for vehicles that require a Nippondenso-type alternator with a 6-groove serpentine pulley. For buyers searching for a 2003 Cadillac CTS alternator or a 2004 Cadillac CTS alternator, this listing matches the confirmed fitment data.

What It Can Help Fix

  • Battery warning light caused by alternator output issues
  • Low charging voltage at idle or under load
  • Dim headlights or electrical accessories losing power
  • Charging system failure from worn internal components
  • Starting problems related to insufficient battery recharge

Installation Notes and Tips

Verify pulley groove count, rotation direction, voltage, and amperage before installation. Confirm the vehicle uses a Nippondenso-style alternator with internal regulation and a clockwise rotation layout. Inspect the serpentine belt, battery condition, and charging cables during replacement to help ensure proper system performance. Fits 2003-2004 Cadillac CTS, N/A.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to meet application-specific charging system requirements. Part number 11003 is listed with confirmed interchange support for Quality-Built 11003 and OE reference 104210-3280 / 25738783.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004CadillacCTS3.2LV6N/ARemanufactured
2003CadillacCTS3.2LV6N/ARemanufactured
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Quality-Built — 11003104210-328025738783