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  2. sku: 17374569749387641
  3. UNI NU-3423

UNI NU-3423 Big Twins Harley Davidson Air Filter 804451034238

Nu-3423 Uni 804451034238 Filter 86-88 Harley Davidson Big Twins Air

( Brand: Uni ), ( Type: Pod ), ( UPC: 804451034238 )

Review UNI Filter Harley Davidson Big Twins Air

The UNI 804451034238 Nu-Air Filter, specifically designed for Harley-Davidson Big Twin engines with model numbers 86-88, is an essential component for maintaining the optimal performance of your motorcycle. This high-quality air filter is engineered to capture and trap impurities found in the air, ensuring that only clean air enters your engine.

The filter boasts a dual-layer design, with a pre-filter layer that catches larger particles and a main filter layer that captures microscopic contaminants. This two-stage filtration system provides an extra layer of protection for your engine, extending its lifespan and improving overall engine efficiency.

Manufactured using a pleated cotton media, this air filter offers an increased surface area for air to pass through, allowing for more efficient filtration. The filter's dimensions are 10 inches in length, 3 inches in width, and 3 inches in height, ensuring a perfect fit for Harley-Davidson Big Twin engines with the specified model numbers.

The UNI 804451034238 Nu-Air Filter is easy to install and replace, making routine maintenance a quick and hassle-free process. The filter comes with a paper gasket for a secure seal and features a high-flow design that allows for optimal airflow to your engine.

Constructed from durable materials, this air filter is built to withstand the rigors of riding, offering reliable protection for your motorcycle's engine. The filter's black color complements the sleek design of your Harley-Davidson, and its high-quality construction ensures that it will last for many miles to come.

In summary, the UNI 804451034238 Nu-Air Filter is an essential accessory for Harley-Davidson Big Twin owners with model numbers 86-88. Its dual-layer design, pleated cotton media, and high-flow construction ensure that your engine is protected from impurities and receives the clean air it needs for optimal performance. With its easy installation and long-lasting durability, this air filter is an invaluable investment for any motorcycle enthusiast.

Pros and Cons of Buying a Nu-3423 Air Filter for Harley-Davidson Big Twins (Model Years 86-88)

The Nu-3423 air filter, manufactured by K&N, is a popular aftermarket option for Harley-Davidson Big Twin motorcycles produced between model years 86-88. This air filter is known for its high-performance design, which promises improved engine performance and increased airflow. In this analysis, we will discuss the key advantages and disadvantages of investing in this air filter.

Pros:

1. Enhanced Engine Performance: The Nu-3423 air filter is designed to provide improved engine performance by allowing more air to flow into the engine. This results in increased horsepower, better fuel efficiency, and smoother engine operation.

2. Longer Filter Life: Traditional paper air filters need to be replaced every 1,500 to 3,000 miles. In contrast, the Nu-3423 air filter can last up to 50,000 miles before needing to be serviced, making it a cost-effective solution for Harley-Davidson owners in the long run.

3. Easy Installation: The Nu-3423 air filter is relatively easy to install, and most Harley-Davidson owners can do it themselves within an hour. No special tools are required, and the filter comes with detailed instructions.

4. Washable and Reusable: The filter can be washed and reused multiple times, reducing the overall cost of ownership and minimizing the need for frequent replacements.

Cons:

1. Higher Upfront Cost: The Nu-3423 air filter has a higher upfront cost compared to traditional paper air filters. However, the longer lifespan and cost savings from reduced replacement frequency make it a worthwhile investment for many riders.

2. Potential for Increased Noise: Some riders have reported that the Nu-3423 air filter produces more noise than a stock filter. This increased noise is usually due to the improved airflow and can be attributed to the high-performance design of the filter.

3. Requires Regular Maintenance: The Nu-3423 air filter needs to be serviced periodically to ensure optimal performance. This includes cleaning the filter every 10,000 to 15,000 miles and checking the oil level in the air filter canister.

Conclusion:

The Nu-3423 air filter for Harley-Davidson Big Twins (Model Years 86-88) offers several advantages, including improved engine performance, longer filter life, easy installation, and washable and reusable design. However, it also comes with some disadvantages, such as a higher upfront cost, potential for increased noise, and the need for regular maintenance. Ultimately, the decision to invest in this air filter depends on the individual rider's preferences, budget, and riding habits. For those who prioritize performance, cost savings, and a long-lasting filter, the Nu-3423 air filter is an excellent choice.

Details:

UNI NU-3423 Uni FIlter 86-88 Harley Davidson Big Twins Air Filter.

part #: 804451034238 prices

  • $23.78-$29.23

specifications aifilteheatin:

  • brand: Uni
  • type: Pod
  • upc: 804451034238

shipping aifilteheatin:

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

seller aifilteheatin:

  • city: Selbyville,
  • rating: 99.3%
  • # reviews: 32320

returns aifilteheatin:

  • time: 30 Days
  • paid by: Buyer
  • method: Money back
  • policy: Returns Accepted

payments aifilteheatin:

  • credit card: Mastercard
  • wallet: Paypal
  • other

offer aifilteheatin:

  • sold: 0
  • started: August 20, 2025
  • options: Ship-to-home
  • availability: In Stock

general aifilteheatin:

  • condition: New
  • Heating, Cooling Air > Indoor Air Quality Fans > Air Filters
type: pod,
category: home & garden > heating, cooling air > indoor air quality fans > air filters, sku: 17374569749387641,
Uni NU-3423 Is Similar To:
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5 offers $23.78–$29.23 USD
  • New. Offer #1 priced at $29.23 + $0.00 shipping estimate = $29.23* total. Harley Davidson FLHT Electra Glide 1986-1987. They provide unsurpassed airflow, are excellent at stopping dirt ingestion and help to improve overall performance.FREE SHIPPING
  • New. Offer #2 priced at $28.99 + $9.75 shipping estimate = $38.74* total. Constructed of a unique, open-cell polyurethane material that allows maximum airflow while still providing superior filtration, Made in the USA.+$9.75 shipping
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  • New. Offer #4 priced at $35.06 + $0.00 shipping estimate = $35.06* total. MODELBig Twins. MATERIALPatented Open-Cell Polyurethane Filter Foam.FREE SHIPPING
  • New. Offer #5 priced at $15.00 + $6.58 shipping estimate = $21.58* total. Shipped with USPS Ground Advantage. Uni Air Filter # Harley Davidson.+$6.58 shipping

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