Voltage Regulator Rectifier for Harley Davidson 2009-2014 - Reliable

In this review of the Voltage Regulator Rectifier, the bottom line is simple: this unit is for Harley owners who need a dependable replacement charging regulator for Electra Glide, Road Glide, Road King, Street Glide, Tri Glide, Ultra and CVO models from 2009-2014. The reviewer found it restores consistent charging behavior and holds the system at a safe set point, so riders who experienced dimming lights or battery discharge will appreciate the straightforward swap. Overall it delivers the core function riders expect without extras, making it a practical choice for maintenance and repair.

Key Features

• Direct fit compatibility: Designed to replace factory part numbers 7450509, 74505-09A and 7450509A, it fits the listed Harley models for years 2009-2014.
• Stable voltage regulation: The regulator maintains a 12 V system with a 14.7 V set point to keep the battery properly charged during normal operation.
• Negative polarity: Matches the stock electrical polarity on supported Harley models to avoid wiring modifications.
• 38 amp capacity: Provides adequate current handling for accessory loads and charging on typical touring setups.
• Simple replacement: The unit is compact and straightforward to install, helping reduce workshop time for routine repairs.

Who It's For

This regulator is aimed at owners of Harley Electra Glide, Road Glide, Road King, Street Glide, Tri Glide, Ultra and CVO bikes from the 2009-2014 range who need a like-for-like replacement for a failing regulator or rectifier. It is particularly useful for riders who experienced low charging voltage, frequent battery drain, or electrical instability and want a direct compatible swap that restores proper charging.

Riders with heavily modified electrical systems or unusually high accessory loads should evaluate total amp draw before assuming this 38 amp unit is sufficient; in those cases a higher-capacity or purpose-built charging solution may be more appropriate.

Pros & Cons

Pros

• Restores proper charging to the original 14.7 V set point so batteries maintain charge during riding.
• Matches negative polarity and listed OEM part numbers, reducing fitment issues during installation.
• 38 amp rating covers standard touring electrical loads and most accessory combinations.
• Customers report good build quality and reliable functionality in everyday use.

Cons

• Not designed for extreme aftermarket accessory loads; users with heavy additional lighting or audio should confirm amp requirements.

Specifications

Compatible Models	Electra Glide, Road Glide, Road King, Street Glide, Tri Glide, Ultra, CVO (2009-2014)
Part Numbers	7450509, 74505-09A, 7450509A
Nominal System Voltage	12 V
Set Point	14.7 V
Polarity	Negative
Maximum Current	38 amp

Our Verdict

The Voltage Regulator Rectifier is a practical, value-oriented replacement for Harley touring bikes from 2009-2014 that restores stable charging at a correct 14.7 V set point. It is best for owners seeking a direct-fit, negative polarity unit with a 38 amp capacity; it provides dependable function and good build quality for routine repairs, though users with very large aftermarket electrical loads should verify amp capacity first.

Frequently Asked Questions

Will this unit fit my 2012 Road Glide?
Yes, the unit lists Road Glide 2009-2013 compatibility and covers 2012 as a direct replacement for the referenced part numbers.

What voltage does the regulator maintain?
The regulator is specified for a 12 V system with a 14.7 V set point to keep the battery charged during operation.

Is the polarity matched to stock wiring?
Yes, this replacement uses negative polarity to match the factory electrical configuration on the listed Harley models.