1. Motorcycle/Scooter Air Filters Deals
  2. sku: 2667076182428671
  3. UNI NU-2391ST

UNI NU-2391ST Air Filter 804451023911

fits model: Zx-9, Ninja. make: Kawasaki.

Nu-2391st Uni 804451023911 New Filter Replacement Oem Air - Kawasaki Zx-9 R Ninja

( Brand: Uni ), ( Type: Air Filter ), ( Machine Type: Street Motorcycle ), ( Features: Easy Installation, Trapezoid, Washable ), ( Material: Foam ), ( Country/region Of Manufacture: United States ), ( UPC: 804451023911 )

Review UNI New Filter Replacement Oem Air Kawasaki fits NINJA ZX-9

Introducing the Uni Filter Nu-2391ST Air Filter, specifically designed for the Kawasaki ZX-9R Ninja motorcycle model with the engine number ZT-9R10F. This air filter is a crucial component of your motorcycle's engine system, ensuring optimal air intake for superior performance.

The Uni Filter Nu-2391ST is an OEM (original equipment manufacturer) replacement part, guaranteeing a perfect fit and compatibility with your motorcycle. Manufactured under stringent quality control processes, the filter is produced using pleated cotton gauze media with an oil-coated layer to trap even the smallest particles of dirt and debris, delivering clean air to the engine.

The filter is designed with a unique, two-piece construction. The central, washable and reusable filter element can be easily separated from the outer casing for cleaning. This design not only simplifies maintenance but also ensures that the filter remains in top condition, maximizing the engine's efficiency and longevity.

The OEM Uni Filter Nu-2391ST features an ergonomic, aerodynamic design. Its contoured shape not only ensures a secure fit but also minimizes wind resistance, improving engine responsiveness and overall riding experience. Additionally, the filter's high-quality rubber base provides an airtight seal, effectively sealing the intake system and preventing unwanted air leakage.

In summary, the Uni Filter Nu-2391ST is an essential upgrade for your Kawasaki ZX-9R Ninja. With its exceptional filtration capabilities, durable construction, and easy maintenance, this OEM replacement air filter is your reliable partner for enhancing engine performance, improving throttle response, and ensuring a smooth and enjoyable riding experience.

Uni Filter Nu-2391ST Air Filter for Kawasaki ZX-9R: Pros, Cons, and Conclusion

Introduction:

The Uni Filter Nu-2391ST Air Filter is a replacement air filter designed for the Kawasaki ZX-9R motorcycle. In this analysis, we will explore the advantages and disadvantages of using this particular air filter to help riders make an informed decision.

Pros:

1. Superior filtration: The Uni Filter Nu-2391ST uses a pleated cotton design, offering improved filtration compared to OEM filters. This results in cleaner air being delivered to the engine, potentially increasing its lifespan and overall performance.

2. Easy installation: This air filter is designed with a connector ring that makes installation straightforward. Riders will not need any additional tools or modifications to replace the existing filter.

3. Cost-effective: Replacing the OEM air filter with the Uni Filter Nu-2391ST can save riders money in the long run. While the initial investment may be slightly more than the OEM filter, the Uni Filter offers better performance and longer life, extending the time between replacement cycles.

4. Wide availability: The Uni Filter Nu-2391ST is widely available from various dealers and online retailers, making it a convenient choice for riders looking for a replacement filter.

Cons:

1. Possible fitment issues: Although the Uni Filter is designed to fit the Kawasaki ZX-9R, some riders have reported fitment issues. Careful inspection and correct installation are essential to ensure proper seal and filtration.

2. Higher upfront cost: Compared to the stock air filter, purchasing the Uni Filter Nu-2391ST comes with an added initial cost. While the long-term benefits may outweigh the extra investment, some riders may not be willing to pay the premium.

3. Short filter life (depending on riding conditions): The filtration media used in the Uni Filter may wear out faster than the stock filter, especially under heavy use or in adverse conditions. Riders may need to replace it more frequently, potentially increasing overall costs.

Conclusion:

After evaluating the advantages and disadvantages of using the Uni Filter Nu-2391ST for the Kawasaki ZX-9R, it is essential to weigh the benefits against the potential downsides. For riders who value improved filtration and cost savings, the Uni Filter can be an excellent choice. However, those worried about potential fitment issues and the upfront cost increase may decide against the upgrade.

Recommendation:

Based on the analysis, the Uni Filter Nu-2391ST can be a worthwhile investment for Kawasaki ZX-9R riders who prioritize better filtration and potential cost savings. However, if fitment concerns or the upfront cost increase are deal-breakers, riders may opt to stick with the stock air filter. In any case, proper installation and regular maintenance are essential to ensure optimal engine performance and longevity.

Details:

Easy to clean with regular grease-cutting dish soap. More air flow than stock filter elements. All UNI filters must be treated with oil prior to installation. Made in the USA.

Fitments: 1998 -2002KawasakiZX-9 R Ninja. Indefinite service life - simply clean and re-oil. Precision fit to stock air box. NEW UNI FILTER NU-2391ST Replacement OEM Air Filter - KAWASAKI ZX-9 R NINJA, Features: Foam filters have been proven to stop more dirt than any other type of filter.

Specs: Base Colored, Color/Finished / Yellow, model OEM, Riding Style Street, Filter Media Material Foam, Product Name Air Filter, Type Replacement, Units Each, Style Dual-Layer, Features Washable, Shaped.

part #: 804451023911 prices

  • $25.95-$42.24

specifications scoofilters:

  • for models: Zx-9, Ninja
  • for makes: Kawasaki
  • brand: Uni
  • type: Air Filter
  • machine type: Street Motorcycle
  • features: Easy Installation, Trapezoid, Washable
  • material: Foam
  • country/region of manufacture: United States
  • upc: 804451023911

returns scoofilters:

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

shipping scoofilters:

  • carrier: USPS
  • class: Standard
  • transit: 3-8 Days
  • type: Calculated
  • service: USPS Ground Advantage
  • cost: $0.00

offer scoofilters:

  • availability: In Stock
  • options: Ship-to-home
  • started: February 5, 2025
  • quantity: 2
  • sold: 0

general scoofilters:

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

payments scoofilters:

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

seller scoofilters:

  • # reviews: 128697
  • city: Hunker, Pennsylvania
  • rating: 98.6%
for models: zx-9, ninja, for makes: kawasaki, type: air filter, machine type: street motorcycle, features: easy installation, trapezoid, washable, country/region of manufacture: united states,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > air filters, material: foam, sku: 2667076182428671,

Uni NU-2391ST Is Similar To:

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5 offers $25.95–$42.24 USD
  • Offer #1: $25.95 price + $0.00 shipping estimate = $25.95* total. Filter Shape. All UNI filters must be treated with oil prior to installation.FREE SHIPPING
  • Offer #2: $42.24 price + $0.00 shipping estimate = $42.24* total. Used by Factory Yamaha, Kawasaki and Suzuki. Kawasaki ZX900F Ninja ZX-9R 2002.FREE SHIPPING
  • Offer #3: $42.24 price + $0.00 shipping estimate = $42.24* total.FREE SHIPPING
  • Offer #4: $24.75 price + $0.00 shipping estimate = $24.75* total. Made in the USA Manufactured from patented open-cell polyurethane filter foam.FREE SHIPPING
  • Offer #5: $29.56 price + $0.00 shipping estimate = $29.56* total. Uni NU-2391 Air Filters.FREE SHIPPING

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