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  3. EARTHOEE 550742949537

EARTHOEE Starter Solenoid Relay 550742949537

fits model: Yfz450, Yfz, 450. make: Yamaha. year: 2004–2013.

Earthoee 550742949537 Starter Solenoid Relay Fit For Yamaha Yfz450 Yfz 450 2004-2013 Black

( Brand: Earthoee ), ( Part Type: Starter Solenoid ), ( UPC: 550742949537 )

Review EARTHOEE Starter Solenoid Relay Fit Yamaha Black fits YFZ450 YFZ 450 2004–2013

The **EarthOEE 550742949537 Starter Solenoid Relay** is a high-performance, direct-fit replacement designed specifically for Yamaha YFZ450 and YFZ450R models manufactured between 2004 and 2013. Engineered to meet or exceed OEM specifications, this solenoid relay ensures reliable ignition and starter engagement, delivering the robust electrical power required to crank the engine smoothly under all conditions. Crafted from durable, corrosion-resistant materials, this component is built to withstand the demanding environments of off-road and adventure riding, where dust, moisture, and extreme temperatures can compromise lesser-quality parts. The solenoid features a precision-machined internal coil and robust contacts that minimize electrical resistance, reducing the risk of overheating and ensuring consistent performance even during prolonged cranking sessions. Its compact yet sturdy design allows for a seamless fit within the original starter assembly, maintaining the factory alignment and functionality without the need for modifications. Ideal for riders who demand dependability and longevity, this starter solenoid relay is a critical upgrade for those experiencing starter failure, intermittent cranking issues, or simply seeking to preemptively reinforce their bike s electrical system. Whether tackling rugged trails or urban commutes, this component provides the confidence of a reliable ignition system, ensuring your Yamaha YFZ450 starts with ease every time.

### **Pros and Cons of buying a Earthoo 550742949537 Starter Solenoid Relay for Yamaha YFZ450 (2004 2013)**

#### **Pros:**

1. **Direct OEM Replacement** This part is designed as a direct fit for the Yamaha YFZ450, ensuring compatibility with the vehicle s electrical system and starter assembly. It uses the same mounting points, wiring connections, and physical dimensions as the original equipment manufacturer (OEM) solenoid, reducing the risk of installation issues.

2. **Reliability and Durability** Earthoo is a reputable aftermarket brand known for producing high-quality electrical components. The solenoid relay is built to withstand frequent engagement cycles, reducing the likelihood of premature failure, especially in cold climates where starter solenoids are prone to wear.

3. **Cost-Effective Alternative to OEM** Compared to purchasing an OEM solenoid from Yamaha (which may be more expensive or harder to source), this aftermarket part offers a more affordable solution without sacrificing performance. It can save the owner significant money while maintaining functionality.

4. **Ease of Installation** The part is designed for straightforward replacement, requiring minimal tools and technical skill. Most users can swap out the old solenoid in under an hour, especially if they have basic mechanical experience. The included wiring harness or connectors (if applicable) further simplifies the process.

5. **Compatibility with Common Issues** The Yamaha YFZ450 s starter solenoid is a known weak point, particularly in older models or those exposed to harsh conditions. This replacement part addresses common failures such as:

- Weak or intermittent cranking.

- Solenoid clicking but not engaging the starter motor.

- Corrosion or internal wear in the solenoid coil or plunger mechanism.

Replacing it can restore proper starter function and prevent further damage to the starter motor itself.

6. **Warranty and Customer Support** Earthoo typically offers a warranty (often 12 24 months) on their products, providing peace of mind in case of defects. Their customer service is generally responsive, which can be helpful if installation or functionality issues arise.

7. **Availability and Convenience** This part is widely available through online retailers (Amazon, eBay, specialty motorcycle parts stores), making it easy to order without waiting for OEM parts or dealing with dealer markups.

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#### **Cons:**

1. **Quality Variability** While Earthoo is a well-regarded brand, aftermarket parts can still vary in quality depending on the specific batch or counterfeit versions. Some users report receiving lower-quality replicas that fail prematurely or have loose connections. To mitigate this, purchasing from authorized sellers or verified marketplaces (e.g., Amazon s seller-rated vendors) is advisable.

2. **Potential Compatibility Quirks** Although the part is marketed as a direct fit, minor variations in wiring harnesses or mounting brackets between years (2004 2013) could require slight adjustments. Owners should double-check their specific model s wiring diagram to ensure the solenoid s pinout matches the vehicle s starter assembly.

3. **No Significant Performance Upgrade** This is a replacement part, not an upgrade. It will not improve cranking power or starter efficiency beyond the original solenoid s capabilities. If the starter motor itself is failing, replacing just the solenoid may only provide a temporary fix.

4. **Installation Risks for Inexperienced Users** While the installation is generally straightforward, mishandling the wiring or solenoid can lead to short circuits, improper engagement, or even damage to the starter motor. Users unfamiliar with electrical work may need to consult a mechanic or detailed guides to avoid mistakes.

5. **Counterfeit Concerns** The aftermarket for motorcycle parts is susceptible to counterfeit products, especially on platforms like eBay or Alibaba. Fake solenoids may lack proper insulation, have weak coils, or fail to engage properly. Always verify the seller s reputation and product authenticity before purchasing.

6. **Limited Longevity Compared to OEM** Some users report that aftermarket solenoids, even from reputable brands, may not last as long as OEM parts under extreme conditions (e.g., frequent cold starts, high humidity, or aggressive riding). However, this is not universal, and many users experience reliable performance for years.

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### **Conclusion:**

The Earthoo 550742949537 starter solenoid relay is a **strong, cost-effective choice** for Yamaha YFZ450 owners facing solenoid-related starter issues. Its direct OEM compatibility, reliability, and ease of installation make it a practical replacement for those seeking to restore proper cranking function without investing in a full starter motor. However, potential buyers should be cautious of counterfeit products and ensure they purchase from trusted sellers to avoid quality issues.

For most users, the **pros outweigh the cons**, especially when considering the part s affordability and the commonality of solenoid failures in this model. If the starter motor is also worn, replacing the solenoid may buy time but should eventually be followed by a full starter replacement to prevent recurring problems.

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### **Recommendation:**

- **Buy from a reputable seller** (e.g., Amazon, RockAuto, or a trusted motorcycle parts dealer) to avoid counterfeit products.

- **Verify compatibility** with your specific model year by cross-referencing the wiring diagram or consulting a Yamaha repair manual.

- **Test the solenoid** after installation by listening for proper engagement (a single, firm click) and ensuring the starter motor cranks smoothly.

- **Consider a full starter motor replacement** if the solenoid fails repeatedly or if the starter motor shows signs of wear (e.g., grinding noises, weak cranking).

- **Store the part properly** if it s not immediately installed to prevent moisture damage, as solenoids can corrode over time.

**Final Verdict:** This solenoid is a **solid aftermarket replacement** for Yamaha YFZ450 owners, provided it is sourced correctly and installed properly. It is ideal for addressing common solenoid failures without the expense of OEM parts.

Details:

Anti-rust, wear resistant and anti-corrosion, long service life. Made from good quality material, lightweight, durable and precise. Starter Solenoid Relay for Yamaha YFZ450 YFZ 450 2004 -2013. Condition: 100% Brand New.

Unresolved issues without prior communication may delay resolution. Material:Plastic Copper. Make return Easier. Due to the lighting and screen settings, real color may slightly different from picture.

Mark Urgent for emergencies. No return request is required. We ll resolve issues promptly. Package included:1pcs Starter Relay.

Starter Solenoid Relay Fit for Yamaha YFZ450 YFZ 450 2004 2013 Black. Easy installation,Perfect match for the original equipment. Please double confirm your vehicle model is exactly same as us before purchase. We' re always with you, sincerely thanks not to leave NNF or open a case before receiving our replies, consider working time so maybe we couldn reply you in timely manner.

specifications electricacompone:

  • for models: Yfz450, Yfz, 450
  • for makes: Yamaha
  • for years: 2004-2013
  • brand: Earthoee
  • part type: Starter Solenoid
  • upc: 550742949537

returns electricacompone:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 60 Days

general electricacompone:

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

offer electricacompone:

  • quantity: 5
  • availability: In Stock
  • best offers: True
  • sold: 0
  • started: April 4, 2026
  • options: Ship-to-home

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seller electricacompone:

  • # reviews: 102
  • city: Rancho Cucamonga, California
  • rating: 97.8%

shipping electricacompone:

  • type: Fixed
  • transit: 5-11 Days
  • cost: $0.00
  • service: Standard
  • class: Standard
for models: yfz450, yfz, 450, for makes: yamaha, for years: 2004-2013, part type: starter solenoid,
category: atv parts > atv, side-by-side utv parts accessories > electrical ignition components, sku: 24382558049038604,
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