BUELL 2989Y Air Box Cover Bolt Nos

( Manufacturer Part Number: 2989Y ), ( Part Type: Cover Box Bolt ), ( Color: Silver ), ( Item Diameter: Oem ), ( Material: Steel ), ( Vintage Part: No ), ( Placement On Vehicle: Left ), ( California Prop 65 Warning: Yes ), ( Unit Type: Unit ), ( Country Of Origin: United States )

Review BUELL Oem Air Box Cover Bolt Nos

The **Buell 2989Y Air Box Cover Bolt Set** is a meticulously engineered replacement component designed specifically for the iconic Buell XB9S and XB12S models, ensuring a precise and secure fit for the air box cover assembly. Crafted from high-quality, corrosion-resistant steel, these bolts are engineered to withstand the rigorous demands of high-performance motorcycle riding, including extreme temperatures, vibrations, and repeated stress cycles. Each bolt in this set is precision-machined to Buell s exacting specifications, featuring a **12-point drive head** for optimal torque distribution and a **fine-threaded design** that guarantees a snug, leak-free seal when securing the air box cover. The **hex head style** provides a balanced grip for wrenches, reducing the risk of rounding or stripping during installation, while the **zinc-plated finish** offers superior resistance to rust and wear, extending the lifespan of the component under harsh conditions. Whether you're restoring a classic Buell or maintaining a high-mileage machine, this bolt set ensures a reliable, factory-like fit, preventing air leaks that could compromise engine performance and fuel efficiency. Ideal for both professional mechanics and dedicated riders, these bolts are a straightforward yet critical upgrade for anyone seeking to preserve the integrity of their Buell s air filtration system.

**Pros and Cons of Buying Buell 2989Y Air Box Cover Bolt Nuts**

The Buell 2989Y air box cover bolt nuts (part of the air box assembly for the Buell XB9S and similar models) are a critical component for maintaining proper air intake and engine performance. Below is a detailed breakdown of their advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros**

1. **Essential for Engine Functionality**

The air box cover and bolts secure the air intake system, ensuring proper airflow to the engine. Without these components, debris, moisture, or contaminants could enter the engine, leading to performance issues or damage. Buell motorcycles rely on a well-sealed air intake for optimal combustion and power delivery.

2. **Prevents Air Leaks**

A properly installed air box cover with intact bolts prevents air leaks, which can cause a lean mixture (too much air, not enough fuel). This can result in rough idling, reduced power, or even engine stalling. Replacing worn or missing bolts ensures a tight seal.

3. **Prevents Moisture and Debris Infiltration**

The air box cover acts as a barrier against rain, dust, and other contaminants. Over time, bolts can loosen or corrode, compromising this protection. Replacing them with new, high-quality bolts restores this function, prolonging the life of the air filter and intake system.

4. **Easy to Install and Replace**

These bolts are relatively straightforward to replace, requiring basic tools (typically a socket wrench or Allen key). The process usually takes less than 30 minutes, making it a manageable DIY task for most riders. Buell provides clear instructions, and many online resources (videos, forums) offer step-by-step guidance.

5. **Cost-Effective Maintenance**

The cost of these bolts is minimal compared to the potential damage they prevent. A set of replacement bolts typically costs between $10 and $30, depending on the source (OEM vs. aftermarket). This is a small investment to avoid more expensive repairs down the line.

6. **Compatibility and Availability**

These bolts are designed specifically for the Buell 2989Y air box assembly, ensuring a perfect fit. They are widely available from Buell dealerships, motorcycle parts suppliers (like Rockett, Cycle World, or eBay), and online marketplaces. Aftermarket options may also be available, though quality varies.

7. **Prevents Further Damage to the Air Box**

The air box itself is a plastic or composite housing that can crack or warp if subjected to excessive stress from loose or missing bolts. Replacing the bolts reduces strain on the air box, extending its lifespan.

8. **Improves Reliability**

For riders who frequently travel or ride in harsh conditions (dusty environments, off-road, or wet weather), ensuring the air box is securely sealed improves the motorcycle s reliability. This is particularly important for long-distance rides where engine performance consistency is critical.

---

### **Cons**

1. **Potential for Counterfeit or Low-Quality Parts**

Some aftermarket or third-party sellers may offer knockoff bolts that are not made to Buell s specifications. These could be made from inferior materials, leading to premature failure or improper sealing. Buyers should purchase from reputable sources to avoid this risk.

2. **Risk of Over-Tightening**

While the bolts are easy to install, over-tightening can strip the threads in the air box or damage the bolt heads. Buell typically recommends a specific torque specification (often around 8-10 ft-lbs). Using a torque wrench is advisable to avoid this issue.

3. **Limited Lifespan of the Air Box Itself**

The air box cover may degrade over time due to UV exposure, impact damage, or material fatigue. While the bolts themselves may last indefinitely if not stripped, the air box could eventually need replacement. This means the bolts may need to be reused if the air box is replaced, which could pose a risk if the bolts are worn.

4. **Accessibility Challenges**

The air box is located under the fuel tank and may require removing the tank or other components (like the air filter housing) to access the bolts. While not overly difficult, this can be time-consuming for riders who are not familiar with Buell-specific disassembly procedures.

5. **Corrosion Risk in Humid or Salty Environments**

If the bolts are made of standard steel, they may rust over time, especially in coastal areas or regions with high humidity. Stainless steel or zinc-plated bolts are more resistant to corrosion but may cost slightly more. Buyers should consider the environment in which they ride when selecting bolts.

6. **Potential for Misalignment**

If the bolts are not installed symmetrically or if the air box cover is not aligned properly, it can lead to an uneven seal. This may cause air leaks or put undue stress on the air box. Careful attention to alignment during installation is necessary to avoid this.

7. **Dependence on OEM vs. Aftermarket**

While aftermarket bolts can be cost-effective, some riders prefer OEM (Original Equipment Manufacturer) parts for reliability. OEM bolts are designed to match Buell s engineering standards precisely, whereas aftermarket options may vary in quality. However, OEM parts can be more expensive and may require ordering through a dealership.

8. **Minor Learning Curve for First-Time Riders**

For riders who have never worked on their Buell before, the process of removing and replacing the air box cover and bolts may feel daunting. However, this is a relatively simple task once familiarized with the motorcycle s layout. Online resources and Buell s service manual can help mitigate this.

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### **Conclusion**

The Buell 2989Y air box cover bolts are a critical yet often overlooked maintenance item. Their primary function to secure the air intake and prevent leaks, moisture, and debris from entering the engine makes them indispensable for maintaining optimal motorcycle performance and longevity. The pros far outweigh the cons, as the benefits of a properly sealed air intake system are substantial: improved engine reliability, better fuel efficiency, and protection against environmental damage.

The cons are largely mitigated by purchasing from reputable sources, using the correct installation techniques, and considering the riding environment. While there is a small risk of counterfeit parts or over-tightening, these issues are easily avoided with caution and proper tools. The cost and effort required to replace these bolts are minimal compared to the potential consequences of neglecting them.

For most Buell owners, replacing these bolts as part of routine maintenance is a wise investment. It is a straightforward task that can be done at home with basic tools and should be included in periodic inspections, especially before long rides or in harsh conditions.

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### **Recommendation**

**Buy the Buell 2989Y air box cover bolts (or a compatible replacement) and replace them as part of your regular maintenance routine.** Here s how to proceed:

- Purchase **OEM Buell bolts** (part number 2989Y) from an authorized Buell dealer or a trusted online retailer like Rockett, Cycle World, or eBay (ensure the seller is verified).

- Alternatively, high-quality aftermarket bolts (e.g., from brands like **Torque Parts** or **Dynacraft**) can be used if they are stainless steel or zinc-plated for corrosion resistance.

- Inspect the bolts during routine maintenance (e.g., every 5,000 10,000 miles or annually).

- Replace them if you notice any signs of looseness, corrosion, or wear. Even if the bolts appear fine, replacing them as a precaution is a good practice, especially if the air box cover shows signs of aging.

- Follow Buell s torque specification (typically around 8 10 ft-lbs) to avoid over-tightening.

- Ensure the air box cover is clean and free of debris before reinstalling.

- Align the bolts symmetrically to prevent misalignment and uneven sealing.

- While replacing the bolts, inspect the air box cover for cracks or warping. Replace the air box if necessary.

- Consider replacing the air filter at the same time, as it is part of the intake system and should be checked regularly.

- If you ride in harsh conditions (dusty, wet, or salty environments), consider using **stainless steel bolts** to reduce corrosion risk.

- Store your motorcycle in a dry place to minimize exposure to moisture, which can accelerate bolt corrosion.

By addressing this maintenance item proactively, you will enhance the reliability, performance, and lifespan of your Buell motorcycle. The time and cost invested in replacing these bolts are negligible compared to the potential engine problems they prevent.

Details:

Please verify fitment before purchase. The Buell OEM 2989Y Air Box Cover Bolt is a silver steel bolt designed for specific motorcycle model. It is a genuine OEM part manufactured by Buell, with left placement on the vehicle. Made in the USA, this air box cover bolt is a genuine Buell replacement part with manufacturer number 2989Y.

Genuine Buell OEM air box cover bolt, part number 2989Y. Factory original replacement hardware for Buell air box cover applications. Packaging has wrinkles/scuffs from storage. Perfect spare or replacement for stripped, missing, damaged original hardware while maintaining OEM fit and appearance.

NOS shelf/ storage wear on packaging.

part #: 2989y price

• $12.99

specifications intakefuelmotorcycle:

• for makes: Buell
• mpn: 2989y
• part type: Cover Box Bolt
• color: Silver
• item diameter: Oem
• material: Steel
• vintage part: No
• placement on vehicle: Left
• california prop 65 warning: Yes
• unit type: Unit
• country of origin: United States

shipping intakefuelmotorcycle:

• transit: 4-8 Days
• service: FedEx Ground Economy, UPS Ground Saver, USPS Media Mail, USPS Ground Advantage
• carrier: FedEx, UPS, USPS
• cost: $9.87
• type: Calculated
• class: Economy, Standard

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seller intakefuelmotorcycle:

• city: Columbus, Indiana
• rating: 99.5%
• # reviews: 807

general intakefuelmotorcycle:

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

returns intakefuelmotorcycle:

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

offer intakefuelmotorcycle:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: May 25, 2026
• best offers: True
• quantity: 3

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