Bosch AL6426N Alternator

Bosch AL6426N Alternator Overview

The Bosch AL6426N is a new 12-volt alternator built for dependable charging performance in select Dodge Ram applications. It is designed for drivers who need stable electrical output, consistent belt drive operation, and OE-style fitment for service replacement.

Compatible with 2003-2006 Dodge Ram 2500 and 2003-2006 Dodge Ram 3500 to 136 amp alternator applications, plus 2003 and 2005-2006 Dodge Ram 1500 models. Bosch Premium Alternators are engineered, assembled, and tested for performance and reliability in demanding charging systems.

Key Features

• 12-volt alternator with a 132 amp amperage rating
• New unit construction for direct replacement service
• Internal fan design with clockwise rotation
• Includes pulley with 7-groove, 7S belt type configuration
• Aluminum case and aluminum case material for OE-style fitment
• External regulator type
• Plug type 363 with rear-view plug clocking at 6 o’clock main mounting ear
• External fan included

Detailed Description

The Bosch AL6426N alternator is built for Chrysler/Dodge truck charging systems that require a 12-volt, 132 amp replacement unit. Its pulley, fan, and plug configuration are specified for proper installation in supported Dodge Ram 1500, Ram 2500, and Ram 3500 models. If you are replacing a worn charging unit on a Dodge Ram 1500 or servicing a Dodge Ram 2500 or Ram 3500 with the listed alternator setup, this Bosch alternator provides a direct-fit service part option. Part number AL6426N is also referenced by OE interchange 56028699AA.

Bosch Premium Alternators are positioned as a tested replacement line for charging-system service, with attention to output consistency and durability. The AL6426N is a practical choice when the original alternator shows charging faults, bearing noise, or output decline.

What This Alternator Helps Address

• Battery warning light caused by low alternator output
• Dim headlights or unstable electrical performance
• Battery drain from a failing charging system
• Noise from a worn alternator bearing or pulley assembly
• Charging irregularities on Dodge Ram 1500, Ram 2500, and Ram 3500 trucks

Installation Notes and Tips

• Verify the vehicle uses the listed 132 amp alternator configuration before ordering.
• Confirm plug type 363 and rear mounting-ear clocking match the original unit.
• Check belt routing and pulley groove count during installation.
• Inspect the battery, belt condition, and charging circuit before installing the replacement alternator.
• After installation, test charging voltage at idle and under load.

Quality Assurance

Bosch Premium Alternators are designed, built, and tested to deliver reliable charging-system performance. The AL6426N is a new alternator manufactured to support consistent electrical output in the specified Dodge Ram applications.