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BBB Industries N13987 Alternator
Reliable Alternator Replacement for Dodge Ram 2500 and 3500
The BBB Industries NEW ALTERNATOR N13987 is designed to provide consistent electrical charging performance for Dodge Ram 2500 and Ram 3500 trucks. Engineered to meet OE specifications, this alternator ensures dependable power delivery for your vehicle's electrical system.
- Amperage Rating: 136 amps for efficient charging
- 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 for proper fitment
- Voltage: 12 volts with external voltage regulator
- OE Manufacturer: Bosch, ensuring quality and compatibility
- Plug Clock Position: 11 o'clock for accurate electrical connections
- Polarity: Negative for standard vehicle electrical systems
About the BBB Industries NEW ALTERNATOR Product Line
The NEW ALTERNATOR line from BBB Industries focuses on delivering alternators that meet or exceed original equipment standards. This product line emphasizes durability and precise fitment, making it suitable for professional repairs and maintenance. The N13987 alternator is part of this line, offering reliable performance specifically tailored for Dodge Ram 2500 and 3500 models.
Detailed Product Description
The BBB Industries alternator N13987 features a 136-amp output, providing sufficient power to support the electrical demands of Dodge Ram 2500 and Ram 3500 trucks. Its air cooling system with an internal fan helps maintain optimal operating temperatures, reducing the risk of overheating during extended use. The alternator includes a conventional pulley with eight grooves designed for serpentine belt systems, ensuring smooth and efficient power transfer. With a clockwise rotation and a pulley diameter of 2-5/16 inches (59 mm), this alternator matches the original Bosch specifications for seamless installation and operation.
Common Applications and Issues Addressed
- Replacement for failing or underperforming alternators in Dodge Ram 2500 and 3500
- Resolves battery charging problems and electrical system malfunctions
- Eliminates issues related to overheating due to improved air cooling
- Fixes pulley wear or belt slippage with included conventional pulley
- Addresses voltage regulation inconsistencies with external regulator compatibility
Installation Notes and Tips
When installing the BBB Industries NEW ALTERNATOR N13987, ensure the serpentine belt is properly aligned with the 8-groove pulley. Verify the plug clock position at 11 o'clock for correct electrical connections. Since this alternator uses an external voltage regulator, confirm compatibility with your vehicle’s existing system. Follow manufacturer torque specifications for mounting bolts and double-check all wiring connections to prevent electrical faults.
Quality Assurance and Warranty
BBB Industries manufactures the NEW ALTERNATOR N13987 to meet strict quality standards, with components sourced from OE manufacturer Bosch. This alternator undergoes rigorous testing to ensure reliable performance and durability. Please refer to BBB Industries’ warranty policy for specific coverage details.
| Brand | BBB Industries |
| Part Number | N13987 |
| Position | NEW ALTERNATOR |
| AC Tap | No |
| Amperage Rating | 136 |
| Brushless Design | No |
| Cooling Method | Air |
| Decoupled Or Clutch Pulley | No |
| Fan Type | Internal |
| Number Of Pulley Grooves | 8 |
| OE Manufacturer | Bosch |
| One Wire Capable | No |
| Outside Pulley Diameter (in) | 2-5/16 |
| Outside Pulley Diameter (mm) | 59 |
| Plug Clock Position | 11 |
| Polarity | Negative |
| Pulley Belt Type | Serpentine |
| Pulley Included | Yes |
| Pulley Type | Conventional |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | External |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Dodge | Ram 2500 | 5.9L | L6 | N/A | 136 Amps; NEW ALTERNATOR |
| 2005 | Dodge | Ram 3500 | 5.9L | L6 | N/A | 136 Amps; NEW ALTERNATOR |
| 2004 | Dodge | Ram 2500 | 5.9L | L6 | N/A | 136 Amps; NEW ALTERNATOR |
| 2004 | Dodge | Ram 3500 | 5.9L | L6 | N/A | 136 Amps; NEW ALTERNATOR |
| 2003 | Dodge | Ram 2500 | 5.9L | L6 | N/A | 136 Amps; NEW ALTERNATOR |
| 2003 | Dodge | Ram 3500 | 5.9L | L6 | N/A | 136 Amps; NEW 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.