WAI 13985N Alternator

WAI 13985N Alternator for Bosch Applications

The WAI 13985N is a 100% new alternator built for vehicles that need steady charging output and dependable electrical performance. With a 136 amp rating, internal fan design, and included pulley, it supports the demands of modern truck and SUV electrical systems.

Key Features

• 136 amp output for consistent battery charging and system support
• 100% new unit, not remanufactured
• Bosch family alternator design
• Internal fan with clockwise (right) rotation
• Serpentine pulley included, 7-groove pulley configuration
• External regulator type
• No decoupled or clutch pulley

Product Details

WAI engineers this alternator with proprietary components and manufacturing processes to support long service life and stable performance. The 13985N is built for Bosch-style charging systems and is listed for 2003-2006 Dodge Ram 1500, 2003-2006 Dodge Ram 2500, 2003-2006 Dodge Ram 3500, and 2004 Dodge Durango with the 136 amp Bosch unit. This part number, 13985N, also cross-references BBB Industries 13985 for the same application.

What This Alternator Helps Address

• Battery warning lights caused by weak charging output
• Dim headlights or unstable electrical performance
• Charging system failure on Bosch-equipped Dodge Ram and Durango models
• Accessory load issues from worn or underperforming alternators
• Starting problems related to insufficient alternator output

Installation Notes

Verify Bosch unit identification, amperage rating, pulley groove count, rotation direction, and regulator type before installation. Confirm vehicle application details for 2003-2006 Dodge Ram 1500, Ram 2500, Ram 3500, and 2004 Dodge Durango. The included pulley and serpentine belt setup should match the original charging system configuration. Part number 13985N should be matched to the existing unit and connector style during replacement.

Quality Assurance

WAI builds this alternator as a new replacement unit using proprietary components and processes to support maximum life and performance in daily driving conditions.