WAI 11301N Alternator

Reliable Alternator for BMW 128i, 328i, X3 and More

The WAI 11301N alternator is engineered to provide consistent electrical performance for a range of BMW models including the 128i, 328i, 330i, 528i, X3, and X5. Designed with an internal fan and a clutch pulley, this alternator supports your vehicle's charging system with a 180-amp output and serpentine belt compatibility.

Key Features of the WAI 11301N Alternator

• 12-volt electrical system compatibility
• Internal fan type for efficient cooling
• Clockwise (right) rotation direction
• Includes pulley with 6 grooves for serpentine belt
• Internal voltage regulator for stable output
• Decoupled or clutch pulley design to reduce belt wear
• Amperage rating of 180 amps for high electrical demand
• Compatible with Bosch family components

Detailed Product Description

The WAI 11301N alternator is designed specifically for BMW vehicles such as the 128i, 323i, 328i, 330i, 528i, X3, and X5 models. Its internal fan ensures effective heat dissipation, maintaining optimal operating temperatures during extended use. The clockwise rotation and included 6-groove pulley are tailored for serpentine belt systems, ensuring seamless integration with your vehicle’s engine setup. Featuring an internal voltage regulator, this alternator maintains consistent voltage output to protect your vehicle’s electrical components. The decoupled clutch pulley reduces belt tension fluctuations, enhancing belt life and reducing noise.

Common Applications and Issues Addressed

• Restores charging system functionality in BMW 128i and 328i models
• Replaces worn or failing alternators causing battery drain
• Eliminates electrical system faults related to voltage irregularities
• Improves serpentine belt performance with included pulley
• Reduces belt noise and wear through clutch pulley design

Installation Notes and Tips

When installing the WAI 11301N alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the clockwise rotation direction matches your vehicle’s specifications. The internal voltage regulator simplifies wiring connections, but it is recommended to test the charging system after installation to confirm proper operation. Use appropriate torque settings on mounting bolts to avoid damage.

Quality Assurance and Warranty

WAI alternators are manufactured to meet OEM standards, ensuring reliable performance and durability. The 11301N alternator is part of the Bosch family line, known for quality electrical components. While specific warranty details are not provided here, WAI products typically come with a limited warranty covering defects in materials and workmanship.