Part #: 23003

Remy 23003 Alternator

Premium Remanufactured
⚙️ 12 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$279.31Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ 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: Ford, F-250 Super Duty and F-350 Super Duty
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator for Ford F-250 and F-350 Super Duty

The Remy Premium Remanufactured Alternator 23003 is designed to restore your Ford F-250 Super Duty or F-350 Super Duty's charging system with dependable performance. This 12-volt alternator features a 155-amp rating and includes an internal voltage regulator for consistent electrical output.

Key Features of Remy Alternator 23003

  • Amperage Rating: 155 amps for robust electrical supply
  • Internal fan type for efficient cooling
  • Remanufactured to meet OEM standards
  • OE Manufacturer: Nippondenso, ensuring quality components
  • Includes pulley for straightforward installation
  • Clockwise rotation direction compatible with specified Ford models
  • Internal voltage regulator for stable voltage control

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet or exceed original equipment specifications. This process includes thorough testing and replacement of worn components, providing a cost-effective alternative to new parts without compromising reliability. The 23003 alternator benefits from this rigorous remanufacturing process, making it suitable for demanding applications in Ford Super Duty trucks.

Detailed Product Description

This Remy alternator 23003 is engineered specifically for Ford F-250 Super Duty and F-350 Super Duty models. With a 155-amp output, it supports the electrical demands of heavy-duty truck systems. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures consistent voltage delivery to your vehicle’s electrical components. The included pulley and clockwise rotation direction match the original equipment setup, simplifying replacement and ensuring compatibility.

Common Issues Addressed by This Alternator

  • Battery not charging or slow charging
  • Dim or flickering headlights and interior lights
  • Electrical system warning lights on the dashboard
  • Intermittent power loss or stalling
  • Failure of the original alternator due to wear or overheating

Installation Notes and Tips

  • Ensure the vehicle is turned off and battery disconnected before installation
  • Verify clockwise rotation direction matches your existing alternator
  • Check pulley alignment and belt tension after installation
  • Use appropriate tools to avoid damage to mounting points
  • Consult vehicle service manual for torque specifications and wiring connections

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators undergo comprehensive testing to verify electrical output and mechanical integrity. This alternator is built to meet OEM standards, including components from Nippondenso. While specific warranty details may vary, Remy typically offers coverage against defects in materials and workmanship to ensure confidence in your replacement part.

BrandRemy
Part Number23003
PositionPremium Remanufactured
Amperage Rating155
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerNippondenso
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016FordF-250 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2016FordF-350 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2015FordF-250 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2015FordF-350 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2014FordF-250 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2014FordF-350 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2013FordF-250 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2013FordF-350 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2012FordF-250 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2012FordF-350 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2011FordF-250 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; Premium Remanufactured
2011FordF-350 Super Duty6.7LV8N/AExc Dual Alt System; Std; 155 Amps; 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:

104210-2920BC3T-10300-CABC3Z-10346-B

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