UNI USA Air Filter NU-4133ST

( Brand: Uni Usa ), ( Manufacturer Part Number: 4133 ), ( Part Type: Filter ), ( Modified Item: No ), ( Country/region Of Manufacture: United States ), ( Material: Foam )

Review UNI USA Honda Air Filter Made In Free Shipping fits CRF450R CRF450 2002

The UNI 4133 2002 Honda CRF450R Air Filter, also known as the CRF450 Nu-4133, is a crucial component of the CRF450R's engine system designed to ensure optimal airflow and filtration. This air filter is specifically engineered to fit the Honda CRF450R model year 2002, and it's manufactured by UNI Filters, a globally recognized leader in filtration technology.

The UNI 4133 air filter boasts an oval shape and a pleated design with a high-density filter media. This media composition effectively traps even the smallest dirt particles, ensuring clean air enters the engine. The filter's pleats provide a large surface area for maximum airflow, which translates to increased engine performance and throttle response.

The UNI 4133 air filter also features a unique, self-sealing, convoluted edge, which ensures a perfect seal against the intake snorkel for effective filtration. This design not only secures the filter in place but also prevents any unwanted air leaks, maintaining the engine's efficiency and power output.

Additionally, the UNI 4133 air filter is washable and reusable, making it a cost-effective solution for CRF450R owners. Simply clean the filter with mild soap and water, let it dry thoroughly, and reinstall it for continued use. This not only reduces the need for frequent filter replacements but also minimizes the environmental impact.

Overall, the UNI 4133 2002 Honda CRF450R Air Filter is a high-performance, durable, and efficient solution for maintaining the engine's health and optimizing the motorcycle's performance. Its pleated design, self-sealing edge, and washable and reusable nature make it an excellent choice for CRF450R riders looking for a dependable and long-lasting air filtration solution.

Pros and Cons of Buying a Honda CRF450R Air Filter (UNI 4133)

The UNI 4133 air filter is a replacement part designed for the Honda CRF450R motorcycle. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this air filter.

1. Improved Air Flow: A new air filter ensures optimal airflow, which can lead to better engine performance and increased power output.

2. Enhanced Filtration: The UNI 4133 air filter is designed to provide superior filtration, protecting the engine from dust, debris, and other contaminants.

3. Longer Engine Life: By keeping the engine clean, the air filter helps prolong its life, reducing the need for costly repairs and maintenance.

4. Easy Installation: Installation of the UNI 4133 air filter is generally a straightforward process, making it a convenient upgrade for Honda CRF450R owners.

1. Cost: Replacement air filters can be relatively expensive, especially for high-performance motorcycle models like the CRF450R.

2. Frequent Replacements: Depending on riding conditions, an air filter may need to be replaced every few riding hours or after a certain number of miles. This frequent replacement can add up to additional costs.

The UNI 4133 air filter for the Honda CRF450R offers several advantages, including improved engine performance, enhanced filtration, longer engine life, and easy installation. However, the potential downsides include the cost and the need for frequent replacements.

If you are a frequent or aggressive rider, investing in a high-quality air filter like the UNI 4133 can be beneficial for your Honda CRF450R. It will improve engine performance, protect the engine from contaminants, and help prolong its life. However, be prepared for the cost and the need for frequent replacements. For more casual riders, an OEM air filter may be a more cost-effective option.

Details:

Used by Factory Yamaha, Kawasaki and Suzuki. Unique two stage design allows for easy and complete cleaning. The best selling replacement air filter for competition motorcycles. Re-Usable, easy maintenance.

Thin Ultra Seal base is virtually impossible to tear. Fits: 2002 Honda CRF450R. Designed to fit in the factory air box exactly like original filter. Uni Dirt Bike Air Filters are unsurpassed in airflow, dirt stopping and overall performance.

part #: 4133 prices

• $32.51-$53.10

specifications scoofilters:

• for models: Crf450r, Crf450
• for makes: Honda
• for years: 2002
• brand: Uni Usa
• mpn: 4133
• part type: Filter
• modified item: No
• country/region of manufacture: United States
• material: Foam

seller scoofilters:

• city: Minford, Ohio
• rating: 100.0%
• # reviews: 2007

returns scoofilters:

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

offer scoofilters:

• availability: In Stock
• started: June 9, 2025
• options: Ship-to-home
• quantity: 4
• sold: 0

shipping scoofilters:

• class: Standard, Expedited
• type: Fixed
• cost: $0.00
• service: USPS First Class, USPS Priority Mail Small Flat Rate Box, USPS Priority Mail Express
• carrier: USPS
• transit: 3-9 Days

payments scoofilters:

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

general scoofilters:

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

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