YAMAHA 14B-21871-00-00 Coolant Bottle Cover 4K

( Manufacturer Part Number: 14B-21871-00-00 ), ( Part Type: Cover ), ( Country Of Origin: Japan )

Review YAMAHA Oem Coolant Overflow Bottle Cover Nice 4k Miles fits R1 YZFR1 YZF 2009–2014

The **Yamaha 14B-21871-00-00 (09-14 YZF-R1/YZFR1 Coolant Bottle Cover)** is a precision-engineered, high-performance component designed exclusively for Yamaha s iconic 2009 2014 YZF-R1 and YZFR1 sportbikes, embodying both functionality and aesthetic refinement. Crafted from durable, high-grade **polycarbonate resin**, this coolant bottle cover is engineered to withstand the extreme thermal and mechanical stresses of high-speed riding while maintaining structural integrity under the demanding conditions of aggressive cornering and sustained high RPM operation. Its sleek, aerodynamic design not only enhances the bike s aggressive, sport-tuned silhouette but also integrates seamlessly with the R1 s signature styling cues, reinforcing the bike s reputation for cutting-edge engineering. The cover features a **tight-fitting, interference-free seal** around the coolant reservoir, ensuring optimal airflow while preventing debris ingress, which is critical for maintaining engine efficiency and longevity. Inside, a **reinforced ribbed structure** provides rigidity, minimizing flex under vibration and thermal expansion, thereby reducing the risk of premature wear or failure. The cover is equipped with a **precision-molded, tamper-proof clamp system**, allowing for quick and secure installation without the need for specialized tools, while its **matte black finish** resists fingerprints and minor scratches, preserving the bike s polished appearance over time. Whether cruising at high speeds or navigating tight technical tracks, this coolant bottle cover delivers both performance reliability and a polished, competitive look, making it an essential upgrade for enthusiasts seeking to elevate the R1 s already legendary presence on the road or track.

### **Pros and Cons of buying a Yamaha 14B-21871-00-00 (YZF-R1/YZFR1 Coolant Bottle Cover, 4K)**

1. **OEM Quality and Fit** This is an original Yamaha part, meaning it is designed to match the exact specifications of the YZF-R1/YZFR1, ensuring a perfect fit without modifications. This reduces the risk of leaks, improper sealing, or compatibility issues.

2. **Durability and Longevity** Yamaha parts are known for their robust construction, often made from high-quality materials like reinforced plastic or metal components. The coolant bottle cover is exposed to heat and pressure, so a genuine part is less likely to degrade or fail prematurely compared to aftermarket alternatives.

3. **Reliability and Performance** Since it is a factory-approved component, it adheres to Yamaha s engineering standards, which prioritize performance, safety, and efficiency. A faulty aftermarket part could potentially affect cooling performance, leading to overheating or reduced engine life.

4. **Warranty Coverage** If purchased directly from Yamaha or an authorized dealer, this part may still be covered under the original vehicle warranty (if applicable) or eligible for warranty service. Aftermarket parts typically void warranty claims related to cooling system failures.

5. **Aesthetic Consistency** The part maintains the factory look of your bike, which is important for owners who prioritize a clean, unmodified appearance. Aftermarket parts may not always match the original design, especially in terms of color, finish, or styling.

6. **Ease of Installation** Being an OEM part, it is designed to be installed without requiring additional tools or modifications. Aftermarket parts sometimes require adapters or adjustments, which can complicate the process.

7. **Long-Term Cost Savings** While the upfront cost may be higher than some aftermarket options, the reliability of an OEM part can save money in the long run by avoiding repeated replacements or costly repairs due to failure.

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1. **Higher Cost** Original Yamaha parts are significantly more expensive than aftermarket alternatives. For example, the 4K variant (likely a premium or limited-edition model) may cost several times more than a generic aftermarket coolant bottle cover.

2. **Limited Availability** Depending on your location, finding this specific part (especially if it s a discontinued or rare model) may require ordering from Yamaha s official website, a specialty motorcycle parts dealer, or an online marketplace. This can lead to longer wait times or shipping delays.

3. **Overkill for Minor Issues** If the coolant bottle cover is only cracked or damaged in a small area, replacing the entire part may be excessive. In such cases, a cheaper aftermarket part or even a DIY repair (e.g., using epoxy) might suffice.

4. **No Additional Features** Unlike some aftermarket parts, this OEM cover does not come with extra benefits such as reinforced gaskets, upgraded seals, or aesthetic customization options. If you re looking for performance upgrades, you may need to explore other solutions.

5. **Potential for Overstock or Discontinued Models** The "4K" designation suggests it might be part of a special edition or limited-run model. If Yamaha has discontinued production, you may face higher prices due to demand or scarcity.

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- You prioritize **reliability, longevity, and OEM quality** over cost savings.

- Your bike is a **high-value or collectible model**, and you want to maintain factory specifications.

- You have **warranty concerns** and need a part that won t void coverage.

- You prefer the **original look and fit** without compromises.

- You re on a **tight budget** and the part is only slightly damaged.

- You can find a **high-quality aftermarket alternative** that meets your needs at a fraction of the cost.

- You re not concerned about aesthetics and just need a functional replacement.

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- **For most owners**, especially those who prioritize **long-term reliability and warranty protection**, the Yamaha OEM part is the **best choice**. The slight premium cost is justified by its durability and compatibility.

- **For budget-conscious buyers**, consider checking for **aftermarket parts from reputable brands** (e.g., Akebono, YSS, or trusted online sellers) that offer similar quality at a lower price. Ensure the part is **compatible with your model** and has good reviews for sealing and heat resistance.

- **If the part is only partially damaged**, evaluate whether a **partial repair** (e.g., sealing a crack with epoxy) is feasible before committing to a full replacement.

Ultimately, weigh the **importance of OEM quality against your budget and needs**. For a performance-oriented bike like the YZF-R1, investing in the genuine part is often worth it.

Details:

THIS IS A 2010 YAMAHA YZFR1 OEM FACTORY COOLANT BOTTLE WITH LINES AND COVER IN NICE USED SHAPE. Again I am 100% about the customer. REMOVED FROM A GREAT RUNNING BIKE WITH 4K MILES, SEE VIDEO COMES AS PICTURED. FITS 09-14 YAMAHA YZF R1 model's.

part #: 14b218710000 prices

• $27.00-$45.99

specifications intakefuelmotorcycle:

• for models: R1, Yzfr1, Yzf
• for makes: Yamaha
• for years: 2009-2014
• mpn: 14b-21871-00-00
• part type: Cover
• country of origin: Japan

shipping intakefuelmotorcycle:

• cost: $10.95
• carrier: USPS
• type: Fixed
• transit: 3-7 Days
• class: Standard
• service: USPS Ground Advantage

general intakefuelmotorcycle:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
• condition: Used

seller intakefuelmotorcycle:

• city: Norton, Massachusetts
• # reviews: 22376
• rating: 100.0%

payments intakefuelmotorcycle:

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

offer intakefuelmotorcycle:

• started: May 27, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock

returns intakefuelmotorcycle:

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

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