Part #: 13874

BBB Industries 13874 Alternator

REMAN ALTERNATOR
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦REMAN ALTERNATOR
🚗Fitment: Dodge, Ram 2500 and Ram 3500
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Reliable Alternator Replacement for Dodge Ram 2500 and 3500

The BBB Industries REMAN ALTERNATOR part number 13874 is designed to provide consistent 12-volt electrical power for Dodge Ram 2500 and Ram 3500 trucks. Engineered to meet OEM specifications, this alternator ensures dependable charging performance for your vehicle's electrical system.

  • Amperage Rating: 136 amps for efficient power output
  • Cooling Method: Air-cooled with internal fan for optimal temperature control
  • Pulley Type: Conventional pulley with 8 grooves, compatible with serpentine belts
  • Rotation Direction: Clockwise rotation matching OEM design
  • Voltage Regulator: External type for precise voltage control
  • OE Manufacturer: Nippondenso, ensuring quality remanufacturing standards
  • Plug Clock Position: 3 o'clock for proper electrical connection alignment
  • Polarity: Negative ground system compatibility

About the REMAN ALTERNATOR Product Line

The REMAN ALTERNATOR line from BBB Industries focuses on remanufactured alternators that restore original equipment performance. Each unit, including part number 13874, undergoes rigorous testing and rebuilding processes to meet or exceed factory specifications. This product line offers a cost-effective solution for maintaining the electrical charging system in Dodge Ram trucks without compromising reliability.

Detailed Product Description

This alternator features a 136-amp output suitable for heavy-duty electrical demands in Dodge Ram 2500 and 3500 models. Its air cooling system with an internal fan helps maintain optimal operating temperatures during extended use. The included conventional pulley with 8 grooves fits serpentine belt systems, ensuring proper belt alignment and tension. Designed with a clockwise rotation and a 2-5/8 inch (66 mm) pulley diameter, this alternator matches the original equipment specifications for seamless integration. The external voltage regulator type allows for stable voltage regulation, protecting your vehicle's electrical components.

Common Issues Addressed by This Alternator

  • Failure to charge the battery properly
  • Intermittent electrical system malfunctions
  • Dim or flickering dashboard and headlights
  • Unusual noises from the alternator pulley or bearings
  • Battery warning light illumination on the dashboard

Installation Notes and Tips

Before installation, verify compatibility with your Dodge Ram 2500 or 3500 model year and engine type. Ensure the serpentine belt is in good condition and properly tensioned to avoid premature wear. The alternator’s plug clock position at 3 o’clock must align correctly for secure electrical connections. Use appropriate tools to remove and install the alternator pulley if replacement is necessary. Follow manufacturer torque specifications for mounting bolts to prevent damage.

Quality Assurance and Warranty

BBB Industries remanufactured alternators, including part number 13874, are tested to meet OEM standards for performance and durability. Each unit undergoes comprehensive electrical and mechanical inspections. While specific warranty details may vary, BBB Industries typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product reliability.

BrandBBB Industries
Part Number13874
PositionREMAN ALTERNATOR
AC TapNo
Amperage Rating136
Brushless DesignNo
Cooling MethodAir
Decoupled Or Clutch PulleyNo
Fan TypeInternal
Number Of Pulley Grooves8
OE ManufacturerNippondenso
One Wire CapableNo
Outside Pulley Diameter (in)2-5/8
Outside Pulley Diameter (mm)66
Plug Clock Position3
PolarityNegative
Pulley Belt TypeSerpentine
Pulley IncludedYes
Pulley TypeConventional
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeExternal

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2002DodgeRam 25005.9LL6DIESELN/ANDenso Unit; 136 Amps; REMAN ALTERNATOR
2002DodgeRam 35005.9LL6DIESELN/ANDenso Unit; 136 Amps; REMAN ALTERNATOR
2001DodgeRam 25005.9LL6DIESELN/ANDenso Unit; 136 Amps; REMAN ALTERNATOR
2001DodgeRam 35005.9LL6DIESELN/ANDenso Unit; 136 Amps; REMAN ALTERNATOR

* 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:

121000-448156027221AD

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