ARCTIC CAT 4505-010 Carburetor Plunger AA3

( Brand: Arctic Cat ), ( Manufacturer Part Number: 4505-010 ), ( Type: Carburetor )

Review ARCTIC CAT Oem Carburetor Plunger Aa3 fits BEARCAT 454 4X4 1998

The **Arctic Cat 4505-010 1998 Bearcat 454 4x4 Carburetor Plunger (AA3)** is a precision-engineered replacement part designed specifically for Arctic Cat s legendary 454cc Bearcat 4x4 snowmobile, a model celebrated for its rugged performance and off-piste versatility. This particular **carburetor plunger**, labeled as part number **AA3**, plays a critical role in the fuel delivery system, ensuring optimal air-fuel mixture regulation for smooth throttle response, consistent power output, and reliable engine operation. Crafted from high-quality materials, the plunger is built to withstand the demanding conditions of winter riding, including extreme cold, moisture, and the mechanical stress of frequent throttle adjustments. The design incorporates a durable sealing mechanism to prevent fuel leaks and maintain vacuum integrity, which is essential for maintaining the engine s efficiency and longevity. Whether you re tackling deep powder, navigating icy trails, or cruising through open terrain, this plunger helps preserve the Bearcat s reputation for dependable performance. For owners seeking to restore or upgrade their 1998 Bearcat s carburetor system, this **OEM-quality AA3 plunger** serves as an ideal replacement, ensuring compatibility with the stock **Arctic Cat 454 4x4 carburetor assembly** while minimizing the risk of performance degradation. Proper installation and periodic maintenance of this component will contribute to the overall reliability and enjoyment of your Bearcat, allowing it to deliver the power and responsiveness it s known for.

### **Pros and Cons of Buying a 1998 Arctic Cat 4505-010 Bearcat 454 4x4 with a Carburetor Plunger (AA3) Issue**

#### **Pros**

1. **Reliable and Proven Design** The Arctic Cat 4505-010 (Bearcat 454) is a well-regarded ATV known for its durability and performance in off-road conditions. It has a strong reputation for handling rough terrain, making it a solid choice for utility, work, or recreational use.

2. **4x4 Capability** The 4x4 system provides better traction in mud, sand, and slippery conditions, which is useful for farming, hunting, or heavy-duty tasks. This feature alone can justify the purchase for those needing all-terrain capability.

3. **Modular and Upgradable** Arctic Cat ATVs are known for their modular design, allowing for easy upgrades to components like engines, suspensions, and drivetrains. The 454 model, in particular, has a robust frame and powertrain that can handle modifications.

4. **Strong Resale Value** Arctic Cat ATVs hold their value relatively well compared to some competitors, especially if maintained properly. This can be beneficial if you plan to sell it later.

5. **Carburetor Plunger (AA3) as a Potential Upgrade** The mention of the AA3 carburetor plunger suggests that the owner may have already addressed or is aware of carburetor tuning needs. The AA3 is a popular aftermarket upgrade for better throttle response and fuel efficiency, which can improve performance if installed correctly.

6. **Cost-Effective for Utility Work** If used for farming, hauling, or work-related tasks, the 454 s size and power make it a practical choice. It strikes a balance between off-road capability and daily usability.

7. **Community and Parts Availability** Arctic Cat has a dedicated following, and parts (including carburetor components) are widely available. This makes repairs and maintenance more accessible than on some niche ATVs.

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#### **Cons**

1. **Age and Wear** A 1998 model is nearly 25 years old, meaning it will likely have significant mileage and wear on key components like the engine, transmission, and suspension. Major parts (e.g., driveshafts, transfer case) may need replacement soon.

2. **Carburetor Issues** The mention of a carburetor plunger problem (AA3) indicates that the carburetor may be worn or malfunctioning. Carburetors in older ATVs are prone to leaks, poor idle, and fuel starvation. Replacing or rebuilding the carburetor can be costly, and aftermarket upgrades (like the AA3) may not always solve underlying issues if the carburetor is beyond repair.

3. **Fuel Injection Obsolescence** Modern ATVs increasingly use fuel injection, which is more reliable and efficient than carburetors. If you plan to keep the ATV long-term, you may eventually need to upgrade to a fuel-injected model or accept the maintenance burden of a carbureted engine.

4. **Rust and Corrosion** Older ATVs, especially those used in wet or rural conditions, are prone to rust in critical areas like the frame, axles, and undercarriage. Inspecting for rust will be essential before purchasing.

5. **Electrical System Reliability** The 1998 Bearcat may have outdated wiring or failing electrical components (e.g., starter, alternator, lights). Electrical issues can be frustrating to diagnose and repair.

6. **Suspension and Tires** After years of use, the suspension (shocks, springs) may be worn out, leading to a rough ride or poor handling. Tires will also need replacement if they are cracked or bald.

7. **Fuel and Emissions Compliance** Older ATVs may not meet modern emissions standards if modified. While this isn t an issue for most recreational use, it could be a concern if you plan to use it in areas with strict regulations.

8. **Potential Hidden Damage** Without a thorough inspection, there could be hidden issues like a leaking transfer case, damaged driveshafts, or a failing engine. These repairs can add up quickly.

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### **Conclusion**

The 1998 Arctic Cat 4505-010 Bearcat 454 4x4 is a capable and durable ATV, especially for utility or off-road work. Its 4x4 system, modular design, and strong following make it a practical choice for those who prioritize functionality over modernity. However, its age introduces significant maintenance risks, particularly with the carburetor, suspension, and potential rust issues.

If you are purchasing this ATV, it should be with the expectation of investing time and money into repairs or upgrades. The carburetor plunger (AA3) issue is a red flag it suggests the carburetor may need attention, and if not addressed, it could lead to poor performance or stalling.

### **Recommendation**

- **Buy Only If:** You are prepared for a project ATV, have mechanical experience, and can afford potential major repairs (e.g., engine rebuild, suspension overhaul). If you plan to use it for work (e.g., farming, hauling), the 4x4 capability may justify the investment.

- **Do Not Buy If:** You want a low-maintenance, ready-to-use ATV or plan to keep it long-term without significant upgrades. Consider a newer model with fuel injection if reliability is a priority.

- Get a **pre-purchase inspection** by a trusted mechanic familiar with Arctic Cat ATVs.

- Test the carburetor thoroughly ensure it runs smoothly without leaks or hesitation.

- Check for **rust, fluid leaks, and suspension wear**.

- Verify the **service history** (oil changes, belt/track replacements, etc.).

- Budget for **immediate repairs** (e.g., carburetor rebuild, tire replacement) and **future maintenance** (e.g., driveshafts, transfer case).

- If the carburetor is a dealbreaker, look for a newer Arctic Cat with fuel injection (e.g., 2010 models).

- If you want a similar but more modern ATV, brands like **Can-Am, Polaris, or Honda** offer reliable 4x4 options with better long-term support.

Ultimately, this ATV can be a great buy for the right buyer someone who enjoys working on projects and doesn t mind the trade-offs for a capable, off-road machine. For others, the risks may outweigh the rewards.

Details:

Change your mind, don't need the part, or just wan't what you are looking for. 1998 Arctic Cat BearCat 454 4X4 OEM Carburetor Plunger 4505-010 AA3. Removed From: 1998 Arctic Cat BearCat 454 with miles.

part #: 4505010 prices

• $29.99-$38.00

specifications carbthrotatv:

• for models: 454, 4x4, Bearcat
• for makes: Arctic-cat, Arctic
• for years: 1998
• brand: Arctic Cat
• mpn: 4505-010
• type: Carburetor

seller carbthrotatv:

• rating: 99.7%
• city: Eau Claire, Wisconsin
• # reviews: 39912

general carbthrotatv:

• condition: Used
• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Carburetors

returns carbthrotatv:

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

shipping carbthrotatv:

• cost: $0.00
• class: Standard
• transit: 2-6 Days
• type: Fixed
• service: Standard

payments carbthrotatv:

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

offer carbthrotatv:

• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock
• started: March 24, 2026
• best offers: True

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