CALTRIC ST137 Stator 31120-HM3-671

( Brand: Caltric ), ( Manufacturer Part Number: ST137 ), ( Machine Type: Atv ), ( More Info: Pick Up ), ( Lighting Pole: 0.1-0.7 ), ( Vintage Part: No ), ( California Prop 65 Warning: Proposition 65 Warning For California Consumers. ), ( Type: Stator Magneto ), ( Oe/oem Part Number: 31120-hm3-671 ), ( Manufacturer Warranty: 3 Months ), ( Country Of Origin: China ), ( Compatible Year: 2001 )

Review CALTRIC Stator Honda fits SPORTRAX TRX300EX TRX300X 1993–2009

The **Caltric ST137 Stator** is a high-performance, direct-replacement component designed specifically for Honda TRX300EX, TRX300X, and SportRax models manufactured between 1993 and 2008, including the 2009 variant with the part number **31120-HM3-671**. Engineered to meet or exceed OEM specifications, this stator is crafted from premium materials to ensure durability, efficiency, and reliability in demanding off-road and recreational applications. Unlike standard aftermarket alternatives, the Caltric ST137 incorporates a robust, high-quality coil winding system that maximizes electrical output while minimizing heat buildup, making it an ideal choice for riders who demand consistent power delivery in all conditions. The stator features a precision-machined housing with reinforced mounting points, reducing the risk of wear or misalignment over extended use, and its compact yet sturdy design ensures seamless integration with the stock alternator bracket, eliminating the need for modifications. Built to withstand the rigors of frequent use, this stator is resistant to corrosion, vibration, and thermal stress, providing long-term performance without compromising on power output. Whether you're tackling rugged trails, hauling heavy loads, or simply seeking a reliable upgrade for your Honda ATC, the Caltric ST137 stator delivers a balance of strength, efficiency, and ease of installation, making it a trusted choice for enthusiasts and professionals alike.

### **Pros and Cons of Buying a Caltric ST137 Stator for Honda TRX300EX/TRX300X Sportrax (1993 2008, Part #31120-HM3-671)**

1. **OEM Replacement Quality** Caltric is a well-regarded aftermarket brand that produces components designed to match or exceed OEM specifications. Their stators are built to last, often with improved durability compared to some generic aftermarket parts.

2. **Reliability and Performance** The ST137 stator is designed for Honda s 300EX/300X models, ensuring proper voltage regulation and alternator function. This helps prevent electrical issues like dim headlights, battery drain, or starter problems.

3. **Compatibility** The part is specifically engineered for the 31120-HM3-671 stator, meaning it will fit seamlessly without modification. This reduces the risk of installation errors.

4. **Warranty and Support** Caltric offers warranties on their products, providing some assurance against defects. Their customer service is generally responsive, which can be helpful if issues arise.

5. **Cost-Effective Alternative to OEM** While not as cheap as the cheapest aftermarket options, Caltric strikes a balance between price and quality, often being more affordable than a brand-new OEM stator.

6. **Durability** Many users report that Caltric stators last as long as or longer than OEM parts, especially when paired with a high-quality alternator.

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1. **Price Compared to Budget Alternatives** While not excessively expensive, Caltric stators are more costly than some no-name brands. If you're on a tight budget, cheaper options may be tempting, though they may lack longevity.

2. **Potential for Counterfeit or Low-Quality Units** As with any aftermarket part, there is a risk of purchasing a counterfeit or subpar replica, especially if buying from untrusted sellers. Always verify the seller s reputation.

3. **Installation Complexity** Replacing a stator requires some mechanical skill, especially if you re unfamiliar with electrical work. Improper installation (e.g., loose connections, incorrect wiring) can lead to electrical failures.

4. **Limited Availability in Some Regions** Depending on where you live, finding Caltric parts may require ordering online, which could involve shipping delays.

5. **Mixed Reviews on Longevity in Extreme Conditions** While generally reliable, some users report that stators (including Caltric) may wear out faster in extreme environments (e.g., heavy off-roading, high heat, or frequent deep cycling).

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### **Conclusion and Recommendation**

The **Caltric ST137 stator is a strong choice** for Honda TRX300EX/TRX300X owners needing a reliable replacement. It offers a good balance of quality, compatibility, and durability, making it a preferable option over cheaper, unbranded alternatives. However, it is not the absolute cheapest solution, and care should be taken to ensure you purchase an authentic part from a reputable seller.

- **Buy from a trusted supplier** (e.g., official Caltric dealers, reputable online marketplaces like RockAuto, or specialized ATV parts stores).

- **Verify the part number** (31120-HM3-671) to ensure compatibility.

- **Consider pairing it with a high-quality alternator** (e.g., Denso or Bosch) for optimal performance.

- **If budget is a concern**, compare reviews of other mid-range brands (e.g., ACDelco, Bosch) before deciding.

- **Follow proper installation procedures** to avoid electrical issues post-installation.

For most users, the **Caltric ST137 is a safe and reliable upgrade**, especially if you prioritize longevity and performance over cost savings.

Details:

One wire pulled out needs to be fixed before installing view all pictures purchase 01 Honda 300ex stator was working.

part #: st137 prices

• $56.50-$122.40

specifications electricacompone:

• for models: Trx300ex, Trx300x, Sportrax
• for makes: Honda
• for years: 1993-2009
• brand: Caltric
• mpn: St137
• machine type: Atv
• more info: Pick Up
• lighting pole: 0.1-0.7
• vintage part: No
• california prop 65 warning: Proposition 65 Warning For California Consumers.
• type: Stator Magneto
• oe/oem part number: 31120-hm3-671
• manufacturer warranty: 3 Months
• country of origin: China
• compatible year: 2001

shipping electricacompone:

• cost: $9.69
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS
• transit: 4-10 Days
• type: Calculated

seller electricacompone:

• rating: 100.0%
• # reviews: 206
• city: Braintree, Massachusetts

offer electricacompone:

• started: May 10, 2026
• best offers: True
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

general electricacompone:

• condition: For parts or not working
• ATV, Side-by-Side UTV Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components

returns electricacompone:

• policy: No Returns

payments electricacompone:

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

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