UNI NU-8502ST Big Air Filter

( Brand: Uni ), ( Part Type: Filter ), ( Manufacturer Part Number: NU-8502ST )

Review UNI Air Filter 1998 Polaris Big fits BOSS 500 1998-99

The UNI Nu-8502ST air filter is an essential component for maintaining the optimal performance of your 1998-1999 Polaris Big Boss 500 all-terrain vehicle (ATV). This air filter is specifically designed to fit these model years and is engineered to provide superior engine protection and air filtration.

The UNI Nu-8502ST air filter boasts a pleated design, which increases its surface area, allowing it to capture a larger volume of airborne contaminants. The filter media is made from a synthetic material that offers excellent filtration efficiency, trapping even the smallest particles while allowing clean air to flow freely into the engine. The filter's pleats are densely packed, which enhances its ability to capture and retain dirt and debris, keeping the engine clean and running efficiently.

The UNI Nu-8502ST air filter is also designed with ease of installation in mind. It features a tapered shape that matches the contours of the engine compartment, ensuring a snug fit. The filter comes with an oiled filter media that not only aids in the filter's filtration capabilities but also makes installation easier by reducing the potential for air leaks.

This air filter is also reusable, making it a cost-effective solution for maintaining the performance and longevity of your Polaris Big Boss 500. Simply clean the filter with soap and water, allow it to dry thoroughly, and re-oil it before reinstalling. This process can be repeated multiple times, reducing the need for frequent filter replacements.

In summary, the UNI Nu-8502ST air filter is a high-performing and cost-effective solution for maintaining the engine health of your 1998-1999 Polaris Big Boss 500. Its pleated design, superior filtration efficiency, and ease of installation make it an excellent choice for enthusiasts who demand the best for their ATV.

The UNI Nu-8502ST air filter is a popular choice among Polaris Big Boss 500 owners due to its high-performance design and ability to provide excellent filtration for the engine. Here are some pros and cons of buying this air filter for your 1998-99 Polaris Big Boss 500:

1. Enhanced engine protection: The UNI Nu-8502ST air filter is designed to capture and trap more dirt and debris, which helps in protecting the engine from damage caused by contaminated air.

2. Improved performance: This air filter can help improve the performance of your Polaris Big Boss 500 by ensuring a consistent airflow to the engine, leading to better throttle response and increased horsepower.

3. Longer filter life: The UNI Nu-8502ST air filter is designed to provide longer filter life than OEM filters, reducing the frequency of filter replacements and saving you money in the long run.

4. Easy installation: This air filter is easy to install, and you can do it yourself without the need for any specialized tools or mechanical skills.

5. High-quality filtration media: The UNI Nu-8502ST air filter uses a high-quality filtration media that can capture small particles as small as 0.3 microns, ensuring that the engine is protected from a wide range of contaminants.

1. Cost: The UNI Nu-8502ST air filter is more expensive than OEM filters, which may be a deterrent for some buyers.

2. Not a direct OEM replacement: Although this air filter is designed to fit the Polaris Big Boss 500, it is not a direct OEM replacement. This means that you may need to make some modifications to the airbox or intake system to make it work correctly.

3. Requires regular cleaning: The UNI Nu-8502ST air filter is a reusable filter, which means that you will need to clean it regularly to maintain its performance and effectiveness.

The UNI Nu-8502ST air filter offers several advantages, including enhanced engine protection, improved performance, longer filter life, easy installation, and high-quality filtration media. However, it also has some disadvantages, such as cost, not being a direct OEM replacement, and requiring regular cleaning.

If you are looking for a high-performance air filter for your 1998-99 Polaris Big Boss 500 and are willing to pay a premium for better filtration and improved engine protection, then the UNI Nu-8502ST air filter is an excellent choice. However, if you are on a tight budget or prefer a more straightforward installation process, then a stock OEM air filter may be a better option for you. Ultimately, the decision depends on your priorities and budget.

part # nu8502st prices

• $19.99-$31.33

specifications filterblank:

• for models: 500, Boss
• for makes: Polaris
• for years: 1998-99
• brand: Uni
• part type: Filter
• manufacturer part number: NU-8502ST

general filterblank:

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

offer filterblank:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: March 5, 2025
• quantity: 4

seller filterblank:

• # reviews: 11828
• rating: 98.9%

returns filterblank:

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

shipping filterblank:

• cost: $0.00
• transit: 3-7 Days
• type: Fixed
• class: Standard
• service: Standard

payments filterblank:

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

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