Uni-Filter NU-3405 Foam Air Filter for Harley-Davidson XL/FL/FX (1975–1978)

Direct replacement foam air filter designed to fit Harley-Davidson XL, FL, and FX models from 1975 through 1978. Crafted in the USA, it delivers high airflow while stopping dirt and debris to protect your engine and preserve performance.

The NU-3405 provides a precise fit for vintage Harleys, with a foam element built for durability and consistent filtration. Its easy installation and reliable seal support long-term engine health. Regular cleaning and maintenance extend its lifespan. For cleaning instructions and maintenance tips, please visit this link.

• Fitment: Harley-Davidson XL, FL, FX models 1975–1978
• Material: foam air filter element
• Performance: high airflow plus dirt filtration to protect the engine
• Made in the USA
• OEM cross reference: 29036-75
• Pairing: Uni Filter Air Filter Oil (Accessory Item: 41-0174)

Ideal for restoring a vintage Harley or upgrading an existing setup, this filter delivers dependable filtration and straightforward installation for continued horsepower and engine health on every ride.

Uni Filter foam air filter is a direct replacement filter and is designed to fit perfectly. Filter provides unsurpassed airflow dirt stopping and overall performance.

The Uni-Filter NU-3405 foam air filter is a high-performance replacement designed to fit select Harley Davidson models from the mid-1970s. Crafted in the USA, this filter provides exceptional airflow while effectively stopping dirt and debris to protect your engine and enhance overall performance. Its precise design ensures a perfect fit for vintage Harley Davidson XL, FL, and FX motorcycles from 1975 to 1978, making installation straightforward and reliable. The foam material offers durability and consistent filtration, helping to maintain optimal engine health and power output over time. Regular cleaning and maintenance of this filter can significantly extend its lifespan, ensuring your motorcycle remains in peak condition. For cleaning instructions and maintenance tips, please visit this link. The NU-3405 is compatible with OEM part number 29036-75 and pairs well with Uni Filter Air Filter Oil (Accessory Item: 41-0174) to maximize filtration efficiency. Whether you're restoring a vintage Harley or upgrading your current setup, this foam air filter delivers dependable performance and ease of use. Invest in a filter that combines quality craftsmanship with reliable filtration to keep your motorcycle running smoothly on every ride.

Features:

• Designed to fit Harley Davidson XL, FL, and FX models from 1975-1978

• Provides unsurpassed airflow and dirt stopping capabilities

• Made in the USA with durable foam material for long-lasting performance

• Easy to install with a perfect fit for specific Harley Davidson models

• Compatible with OEM cross reference 29036-75 and Uni Filter Air Filter Oil

Fitment
Harley Davidson FL 1977
Harley Davidson FL 1978
Harley Davidson Fx 1977
Harley Davidson Fx 1978
Harley Davidson XL 1975
Harley Davidson XL 1976
Harley Davidson XL 1977
Harley Davidson XL 1978