WAI 13742N Alternator

Reliable Alternator for Dodge and Jeep Vehicles

The WAI 13742N alternator is designed to provide consistent electrical charging performance for select Dodge and Jeep models. Engineered with a 136-amp rating and an internal fan, this alternator supports the demanding electrical systems of trucks and SUVs like the Ram 1500 and Grand Cherokee.

• 12-volt electrical system compatibility
• Internal fan type for efficient cooling
• Clockwise (right) rotation direction
• Includes a 7-groove serpentine pulley
• External regulator type for reliable voltage control
• Compatible with Denso family components
• Not equipped with a decoupled or clutch pulley

Technical Details and Features

The WAI 13742N alternator features a 12-volt system with a 136-amp amperage rating, suitable for vehicles requiring robust electrical output. Its internal fan design helps maintain optimal operating temperatures, enhancing durability. The clockwise rotation direction matches the original equipment specifications for Dodge and Jeep models such as the Ram 2500 and Durango. This alternator comes with a serpentine pulley that has seven grooves, ensuring proper belt alignment and tension. The external regulator type allows for precise voltage regulation, contributing to stable electrical system performance. As part of the Denso family, this alternator meets established quality and compatibility standards.

Compatible Vehicles and Applications

• Dodge B1500, B2500, B3500
• Dodge Dakota
• Dodge Durango
• Dodge Ram 1500, Ram 1500 Van, Ram 2500, Ram 3500, Ram 3500 Van
• Jeep Grand Cherokee

This alternator is designed to replace original equipment units in these models, ensuring proper fit and function for electrical charging and starting systems.

Common Issues Addressed by This Alternator

• Intermittent or no battery charging
• Dim or flickering dashboard lights
• Battery warning light illumination
• Electrical system voltage drops under load
• Failure to start due to insufficient battery charge

Installation Notes and Tips

When installing the WAI 13742N alternator, verify the clockwise rotation direction and pulley groove count to match your vehicle’s specifications. Ensure the serpentine belt is properly routed over the 7-groove pulley. Since this alternator uses an external regulator, confirm compatibility with your vehicle’s voltage regulation system. Professional installation is recommended to maintain electrical system integrity and safety.

Quality Assurance and Warranty

WAI alternators are manufactured to meet industry standards for durability and performance. The 13742N alternator is part of the Denso family, known for consistent quality in electrical components. Please refer to the product documentation or supplier for specific warranty details related to this part number.