BESTPARTSSTORE 31600-HM8-003 Regulator Rectifier 641376977536 31600-HM8-013 5GT-81960-00-00

( Brand: Bestpartsstore ), ( Manufacturer Part Number: 31600-HM8-003 ), ( Ipn: 31600-hm8-013 31600hm8013 31600 Hm8 013 ), ( Type: Voltage Regulator Rectifier ), ( Fitment: For Yamaha Yfm125 Grizzly 2004-2012 ), ( Fit 1: For Suzuki Ltz400 2009 ), ( Fit 2: Fitment ), ( Model 1: 31600-hm8-b00 31600hm8b00 31600 Hm8 B00 ), ( Moldel 2: 5gt-81960-00-00 Sh640e-11 ), ( UPC: 641376977536 )

Review BESTPARTSSTORE Regulator Rectifier Yamaha fits RHINO YXR660 660 2004–2007

The **Best Parts Store 641376977536 Regulator Rectifier** is a high-performance, direct-fit replacement designed specifically for the **Yamaha Rhino 660 (YXR660)** models produced between **2004 and 2007**, including the **5GT-81960-00-00** variant. This essential electrical component plays a critical role in managing and stabilizing the voltage supplied to your vehicle s electrical system, ensuring consistent power delivery to critical functions such as lighting, ignition, and onboard electronics. Crafted with precision engineering, this regulator rectifier is built to meet or exceed OEM specifications, guaranteeing reliable operation and longevity. The unit features a robust construction with high-quality materials, including corrosion-resistant components that withstand harsh environmental conditions, from extreme temperatures to moisture and vibration common challenges faced by off-road and utility vehicles. Its seamless integration with the Rhino 660 s electrical system ensures compatibility without the need for modifications, making installation straightforward for both seasoned mechanics and DIY enthusiasts. Beyond its functional reliability, this regulator rectifier contributes to the overall performance and durability of your Yamaha Rhino, reducing the risk of electrical failures that could disrupt your work or recreational activities. Whether you re using your Rhino for heavy-duty hauling, farming, or off-road adventures, this component is a vital investment in maintaining a stable and efficient electrical system.

### **Pros and Cons of buying a BestPartsStore 641376977536 Regulator/Rectifier for the Yamaha Rhino 660 (YXR660, 5GT-81960-00-00)**

1. **OEM Compatibility** This part is designed as an original equipment manufacturer (OEM) replacement, meaning it should fit perfectly without modifications. It matches the specifications of the factory unit, ensuring proper voltage regulation and charging performance.

2. **Reliability** BestPartsStore is a reputable supplier of aftermarket and OEM replacement parts for Yamaha and other brands. Their products are typically built to last, reducing the risk of early failure compared to low-quality knockoffs.

3. **Direct Fitment** The part number (5GT-81960-00-00) is specific to the Yamaha Rhino 660 (2004 2007 models). This eliminates guesswork in sizing and compatibility, ensuring it will integrate seamlessly with your vehicle s electrical system.

4. **Improved Electrical Performance** A faulty or worn-out regulator/rectifier can cause charging issues, voltage spikes, or battery drain. Replacing it with a new unit can restore proper electrical function, preventing damage to the battery, alternator, or other components.

5. **Cost-Effective Alternative to OEM** While this is an aftermarket part, it is often priced lower than a brand-new OEM unit from Yamaha, offering significant savings without sacrificing quality.

6. **Easy Installation** The regulator/rectifier is typically a straightforward swap, requiring only basic tools. Many users report being able to complete the job in under an hour with minimal experience.

7. **Warranty Coverage** BestPartsStore likely offers a warranty (check their website for details), providing peace of mind in case of defects or premature failure.

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1. **Potential Quality Variations** While BestPartsStore is a trusted supplier, aftermarket parts can sometimes vary in quality compared to genuine OEM units. Some users report minor differences in durability or performance, though these are rare with reputable brands.

2. **Installation Challenges** If the original unit was damaged or corroded, removing it may require extra effort (e.g., cleaning terminals, dealing with rust). Improper installation (e.g., loose connections) could lead to electrical issues.

3. **Compatibility with Modified Systems** If your Rhino has aftermarket modifications (e.g., high-performance alternators, additional electronics), the stock regulator/rectifier may not handle the increased load. In such cases, an upgraded unit might be necessary.

4. **Limited Customization** Unlike some high-end aftermarket regulators, this part does not offer adjustable settings (e.g., voltage regulation tweaks). It is a direct replacement with no additional features.

5. **Availability of OEM Parts** If you prefer a genuine Yamaha part, you may need to source it from a Yamaha dealer, which could be more expensive. However, for most users, the aftermarket option is perfectly adequate.

6. **Potential for Counterfeit Parts** While unlikely with BestPartsStore, there is always a risk when purchasing online. Ensure the seller is verified and the part is authentic (check packaging, serial numbers, or seller reviews).

7. **No Additional Features** This is a basic regulator/rectifier. If you need features like reverse polarity protection or advanced diagnostics, you would need to invest in a higher-end unit.

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The **BestPartsStore 641376977536 Regulator/Rectifier (5GT-81960-00-00)** is an excellent **OEM-compatible aftermarket replacement** for the Yamaha Rhino 660 (2004 2007). It offers **reliability, ease of installation, and cost savings** compared to a new OEM unit, making it a strong choice for most owners. The risks (quality variations, installation challenges) are minimal if you purchase from a trusted supplier like BestPartsStore and follow proper installation procedures.

For **stock or lightly modified vehicles**, this part is **highly recommended**. If your Rhino has **heavy modifications or electrical upgrades**, consider consulting with an expert to ensure the regulator can handle the load.

- **Buy it** if you need a **direct, reliable replacement** for a failing regulator/rectifier and want to avoid the higher cost of an OEM part.

- **Verify compatibility** with your specific Rhino model year and any modifications.

- **Follow installation guidelines** carefully to ensure proper electrical connections.

- **Consider an extended warranty** if available, to protect against premature failure.

This part is a **practical and cost-effective solution** for restoring proper electrical function to your Yamaha Rhino 660.

Details:

OE Part Number: 31600-HM8-003 31600HM8003 31600 HM8 003 31600-HM8-013 31600HM8013 013 31600-HM8-B00 31600HM8B00 B00 5GT-81960-00-00 Packing Included: 1 x Regulator Rectifier Fitment For: For Yamaha / Honda Suzuki. Please compare the part number with original before purchasing.

part #: 31600hm8003 prices

• $19.49-$35.49

specifications electricacompone:

• for models: Yxr660, 660, Rhino
• for makes: Yamaha
• for years: 2004-2007
• brand: Bestpartsstore
• mpn: 31600-hm8-003
• ipn: 31600-hm8-013 31600hm8013 31600 Hm8 013
• type: Voltage Regulator Rectifier
• fitment: For Yamaha Yfm125 Grizzly 2004-2012
• fit 1: For Suzuki Ltz400 2009
• fit 2: Fitment
• model 1: 31600-hm8-b00 31600hm8b00 31600 Hm8 B00
• moldel 2: 5gt-81960-00-00 Sh640e-11
• upc: 641376977536

returns electricacompone:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

offer electricacompone:

• started: February 21, 2026
• availability: In Stock
• options: Ship-to-home
• best offers: True
• sold: 0

seller electricacompone:

• # reviews: 2586
• rating: 99.8%
• city: Hebron, Kentucky

shipping electricacompone:

• type: Fixed
• service: Standard
• class: Standard
• transit: 5-9 Days
• cost: $0.00

payments electricacompone:

• credit card: Visa
• other
• wallet: Google-pay

general electricacompone:

• ATV, Side-by-Side UTV Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components
• condition: New

Bestpartsstore 31600-HM8-003 Is Similar To:

• Bestpartsstore 641376977529 For Yamaha Honda Trx250 Ex X Te Tm Suzuki Ltr450 Voltage Regulator Rectifier Usa (44.4% similar) OE part number: 31600-HM8-003 31600HM8003 31600 HM8 003 31600-HM8-013 31600HM8013 013 31600-HM8-B00 31600HM8B00 B00 5GT-81960-00-00 packing included: 1 x regulator rectifier fitment for: for yamaha / Honda suzuki. Please compare the part number with original before purchasing...(September 26th, 2025)