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Yamaha YFZ450 Voltage Regulator Rectifier 2004–2009 2012–2013 | Replaces 5TG-81960-00-00
Yamaha YFZ450 Voltage Regulator Rectifier 2004–2009 2012–2013 | Replaces 5TG-81960-00-00
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Product Overview
Restore stable charging performance with this voltage regulator rectifier, designed for selected Yamaha YFZ450 ATV applications from 2004–2009 and 2012–2013.
Built to replace 5TG-81960-00-00 / 1PD-81960-00-00, this unit helps solve common charging-system issues such as battery not charging, unstable voltage, dim or flickering lights, weak electrical output, and intermittent charging failure.
Made with a durable aluminum alloy housing and heat-sink design, this regulator rectifier helps dissipate excess heat, improve charging capability, and reduce the risk of battery overcharging. It is designed as a direct replacement when the connector, mounting hole spacing, and original part layout match.
Product Compatibility
| Brand | Model | Engine / HP / CC | Year Range | Notes |
|---|---|---|---|---|
| Yamaha | YFZ450 | 450cc | 2004–2009 | Verify OEM number and connector style before purchase |
| Yamaha | YFZ450 | 450cc | 2012–2013 | Verify OEM number and connector style before purchase |
OEM Cross Reference:
5TG-81960-00-00, 1PD-81960-00-00
Specifications
| Specification | Details |
|---|---|
| Part Type | Voltage Regulator Rectifier |
| Installation Hole Spacing | 61 mm / 2.40" |
| Installation Hole Diameter | 7 mm / 0.27" |
| Material | Aluminum alloy |
| Housing Type | Heat-sink cooling design |
| Function | Voltage regulation and rectification |
| Installation | Direct replacement on correctly matched applications |
| Fitment Method | Match by OEM number, connector style, mounting dimensions, and original part layout |
| Condition | 100% New Aftermarket |
Key Features
- Stable Voltage Regulation – Helps maintain reliable battery charging and electrical-system output
- Heat-Sink Cooling Design – Aluminum alloy housing helps improve heat dissipation
- Overcharge Protection – Helps dissipate excess voltage and reduce the risk of battery damage
- Direct Replacement Fit – Designed for easy installation when the connector and mounting layout match
- Durable Construction – Heavy-duty metal construction for dependable long-term use
Common Problems This Part Can Help Solve
This product may help address issues such as:
- Battery not charging
- Battery overcharging
- Dim or flickering lights
- Unstable charging voltage
- Weak electrical output
- Intermittent charging failure
- Regulator overheating or voltage-control issues
Package Includes
1 × Voltage Regulator Rectifier
Fitment Note
Please confirm your OEM part number, connector style, installation hole spacing, mounting-hole diameter, and original part appearance before ordering.
If you are unsure about compatibility, contact us with your model, year, OEM number, connector photos, and original part photos before purchase.
Installation Note
Professional installation is recommended.
Before installation, inspect related components such as the battery, stator, wiring harness, connectors, and charging system to avoid repeat failure caused by another faulty part.
Why Choose This Replacement
A failing regulator rectifier can lead to poor charging performance, unstable voltage, dim lighting, battery problems, and unreliable electrical operation. Replacing it with a properly matched unit helps restore dependable charging-system performance and keeps your Yamaha YFZ450 ready for riding.
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