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  3. SUCCESSSSSUSA 550742638400

SUCCESSSSSUSA Starter Solenoid Relay 550742638400

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

Successsssusa 550742638400 Starter Solenoid Relay Fit For Yamaha Yfz450 Yfz 450 2004-2013 Black

( Brand: Successsssusa ), ( Part Type: Starter Solenoid ), ( UPC: 550742638400 )

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

The **SuccesssUSA 550742638400 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 precise electrical current required to crank the engine with consistent power and efficiency. Crafted from durable, corrosion-resistant materials, this component is built to withstand the demanding conditions of off-road and adventure riding, where dust, moisture, and vibration can compromise weaker aftermarket alternatives. The robust construction features a heavy-duty coil and reinforced contacts, minimizing wear and preventing premature failure, which is particularly critical for riders who demand dependable performance in remote or rugged environments. Whether you're tackling rocky trails, muddy terrain, or extreme climates, this solenoid relay provides the critical starting power needed to keep your Yamaha YFZ450 running smoothly, season after season. Its seamless integration with the existing electrical system ensures compatibility without the need for additional modifications, making it an ideal choice for both DIY enthusiasts and professional mechanics. With a focus on longevity and performance, this starter solenoid relay is an essential upgrade for anyone looking to restore or enhance the reliability of their Yamaha s starting mechanism.

### **Pros and Cons of buying a SuccessUSA 550742638400 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, meaning it should align perfectly with the stock starter solenoid assembly without modifications. This reduces the risk of installation issues.

2. **Reliability and Durability** SuccessUSA is a reputable brand known for producing high-quality aftermarket automotive and motorcycle parts. Their solenoid relays are often built to withstand frequent use, reducing the likelihood of premature failure.

3. **Cost-Effective Solution** Compared to purchasing a full starter assembly or an OEM replacement, this solenoid relay is typically more affordable. It allows you to replace just the faulty component rather than the entire starter, saving money.

4. **Easy Installation** Since it s a direct replacement, replacing the solenoid relay is a straightforward process that most riders with basic mechanical skills can handle. It usually requires only a socket wrench and possibly a multimeter for testing.

5. **Widespread Availability** This part is commonly stocked by online retailers, motorcycle parts stores, and even some general auto shops. This makes it easy to source, even for those who don t have immediate access to specialty Yamaha dealers.

6. **Potential to Extend Starter Life** If the starter itself is still functional but the solenoid is failing, replacing just the solenoid can save you from a full starter replacement, extending the lifespan of your existing starter motor.

7. **Compatibility with Aftermarket Starters** If you ve upgraded your starter to an aftermarket unit, this solenoid relay may also be compatible, providing flexibility for future modifications.

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#### **Cons:**

1. **Quality Variability** While SuccessUSA is generally reliable, aftermarket parts can sometimes have inconsistencies in quality compared to OEM components. Some users report minor issues like slightly looser fits or shorter lifespans than expected.

2. **Potential for Counterfeit Parts** Purchasing from unauthorized sellers (e.g., third-party Amazon listings or untrusted online marketplaces) increases the risk of receiving a counterfeit or substandard part. Always buy from verified retailers or directly from SuccessUSA s official channels.

3. **Limited Warranty** SuccessUSA typically offers a limited warranty (often 1 year or less), which may not match the lifetime or extended warranties provided by OEM parts. If the solenoid fails prematurely, you may incur additional costs for replacement.

4. **Diagnostic Challenges** If the solenoid is failing intermittently or the issue is more complex (e.g., wiring problems, starter motor wear), replacing just the solenoid may not fully resolve the problem. A thorough diagnosis is essential to avoid repeated failures.

5. **Installation Risks** Improper installation (e.g., incorrect torque, damaged threads, or improper alignment) can lead to further damage to the starter or solenoid. If you re unsure about the process, consulting a mechanic may be wise.

6. **No Guarantee of Long-Term Performance** While many users report satisfactory performance, others may experience issues like sticking, poor engagement, or electrical failures over time. The solenoid s lifespan can depend on factors like riding conditions, maintenance, and the overall health of the starter system.

7. **Mixed Reviews on Fit** Some riders report that the fit isn t perfect, requiring slight adjustments or the use of sealants to prevent leaks or rattling. This isn t common but is worth noting if you prioritize a seamless installation.

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### **Conclusion:**

The **SuccessUSA 550742638400 starter solenoid relay** is a **strong, cost-effective choice** for Yamaha YFZ450 owners facing solenoid-related starter issues. It offers a **direct replacement solution** with **reliable performance** from a trusted brand, making it ideal for riders who want to avoid a full starter replacement. However, it s not without drawbacks **quality variability, potential counterfeit risks, and limited warranty coverage** are factors to consider.

For most users, this part will **work well and extend the life of their starter**, but it s not a "set-and-forget" solution. **Proper installation, sourcing from reputable sellers, and addressing any underlying electrical or mechanical issues** will maximize its effectiveness.

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### **Recommendation:**

- **Buy from a trusted source** (e.g., SuccessUSA s official website, reputable online retailers like RockAuto, or a local Yamaha dealer) to avoid counterfeit parts.

- **Test the starter system** before purchasing to confirm the solenoid is indeed the issue (e.g., check for power at the solenoid, listen for clicking sounds, or use a multimeter).

- **Follow installation guidelines carefully** ensure proper torque, clean connections, and correct alignment to prevent future problems.

- **Consider a full starter replacement** if the solenoid fails repeatedly or if the starter motor is also worn out, as this may be more cost-effective in the long run.

- **Monitor performance post-installation** if issues persist (e.g., weak cranking, no engagement), inspect wiring, fuses, and the starter motor itself.

**Final Verdict:** This solenoid relay is a **solid aftermarket option** for Yamaha YFZ450 owners, but it s best suited for those who are confident in their ability to diagnose and install it correctly. For maximum reliability, pair it with a **high-quality starter motor** if the existing one is aging.

Details:

Package included:1pcs Starter Relay. Easy installation,Perfect match for the original equipment. Mark Urgent for emergencies. Unresolved issues without prior communication may delay resolution.

Material:Plastic Copper. Please double confirm your vehicle model is exactly same as us before purchase. We ll resolve issues promptly. Starter Solenoid Relay Fit for Yamaha YFZ450 YFZ 450 2004 2013 Black.

Make return Easier. 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. Anti-rust, wear resistant and anti-corrosion, long service life. Condition: 100% Brand New.

Starter Solenoid Relay for Yamaha YFZ450 YFZ 450 2004 -2013. Made from good quality material, lightweight, durable and precise. Due to the lighting and screen settings, real color may slightly different from picture. Do not open a return request.

specifications electricacompone:

  • for models: Yfz450, Yfz, 450
  • for makes: Yamaha
  • for years: 2004-2013
  • brand: Successsssusa
  • part type: Starter Solenoid
  • upc: 550742638400

shipping electricacompone:

  • transit: 6-11 Days
  • type: Fixed
  • class: Standard
  • cost: $0.00
  • service: Standard

payments electricacompone:

  • other
  • credit card: Diners-club
  • wallet: Google-pay

offer electricacompone:

  • quantity: 11
  • best offers: True
  • availability: In Stock
  • options: Ship-to-home
  • started: May 22, 2026
  • sold: 0

general electricacompone:

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

seller electricacompone:

  • rating: 100.0%
  • # reviews: 503
  • city: Rancho Cucamonga, California

returns electricacompone:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 60 Days
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: 25195740003679793,
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