Part #: 12589

Remy 12589 Alternator

Premium Remanufactured
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Premium Remanufactured
🚗Fitment: Cadillac, CTS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator for Cadillac CTS Vehicles

The Remy Premium Remanufactured Alternator 12589 is designed specifically for Cadillac CTS models, providing a dependable electrical charging solution. This remanufactured alternator offers a 150-amp output with an internal fan and voltage regulator to maintain optimal performance.

  • 150 Amperage Rating for consistent power delivery
  • Internal fan type for efficient cooling
  • Remanufactured to meet OEM standards
  • Includes pulley for easy installation
  • Clockwise rotation direction
  • 12 Volt system compatibility
  • Internal voltage regulator for stable voltage output
  • OE Manufacturer: Nippondenso

About the Premium Remanufactured Brand Line

The Premium Remanufactured line by Remy focuses on restoring alternators to meet strict quality and performance standards. Each unit undergoes thorough testing and rebuilding processes to ensure reliability comparable to new parts. This line is ideal for Cadillac CTS owners seeking a cost-effective replacement without compromising on functionality.

Product Details and Specifications

This Remy alternator, part number 12589, is engineered for Cadillac CTS vehicles requiring a 12-volt electrical system. The 150-amp rating supports the vehicle’s charging needs, while the internal fan design helps maintain proper operating temperatures. The included pulley and clockwise rotation direction match original equipment specifications, ensuring compatibility and ease of installation. The internal voltage regulator maintains consistent voltage output, protecting your vehicle’s electrical components.

Common Issues Addressed by This Alternator

  • Battery not charging properly
  • Dimming or flickering headlights
  • Electrical system warning lights on dashboard
  • Unusual noises from the engine bay related to charging system
  • Vehicle stalling or difficulty starting due to charging failure

Installation Notes and Tips

When installing the Remy Premium Remanufactured Alternator 12589 on a Cadillac CTS, ensure the battery is disconnected before removal. Verify the clockwise rotation direction and pulley compatibility with your vehicle’s setup. Use proper torque specifications for mounting bolts and reconnect all electrical connections securely. Testing the charging system after installation is recommended to confirm proper operation.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators are rebuilt to meet or exceed OEM standards, including rigorous testing for electrical output and durability. This part is backed by a limited warranty, providing assurance of its quality and performance for Cadillac CTS applications.

BrandRemy
Part Number12589
PositionPremium Remanufactured
Amperage Rating150
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerNippondenso
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007CadillacCTS6.0LV8N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2006CadillacCTS6.0LV8N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2005CadillacCTS5.7LV8N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured
2004CadillacCTS5.7LV8N/ACompatible with multiple 150 Amp alternator variants.; Premium Remanufactured

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

104210-3340104210-43802575093525766345

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.