Harddrive Performance Air Filter - Harley Dyna Twin Cam
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
Boost the performance of your Harley Dyna Twin Cam with a Harddrive Performance Air Filter. Engineered with pleated cotton media, this filter is designed to significantly increase airflow to your engine while maintaining excellent filtration efficiency.
Why riders pick this
- Increases engine airflow for improved performance
- Pleated cotton media ensures maximum filtration
- Washable and reusable for extended service
- Pre-oiled for quick and easy, direct installation
This Harddrive Performance Air Filter is a direct replacement for OEM part number 29191-08, ensuring a precise, bolt-on fit into your existing air filter assembly. It comes pre-oiled and ready for immediate installation, making it a quick and effective upgrade for your Dyna.
Optimized for Dyna Performance
- Pleated cotton media for maximum filtration and increased airflow
- Boosts engine performance and throttle response
- Washable and reusable element for extended service life
- Pre-oiled and ready for a direct, hassle-free installation
A Smart Investment for Your Ride
The washable and reusable design means you can service this filter multiple times, offering long-term value and reducing the need for frequent replacements. This Harddrive air filter is an essential upgrade for any Dyna rider looking to improve their bike's breathing, whether as a standalone modification or as part of a Stage 1 upgrade with a performance exhaust and a dyno tune.
Specifications
- Brand: Harddrive
- Manufacturer Part #: TJ-A-075
- UPC: 191361469725
- Dimensions: 8 in L x 4 in W x 4 in H
- Weight: 2 lbs
- Country of Origin: China (Mainland)
Common questions
Is this Harddrive air filter pre-oiled?
Yes, this Harddrive Performance Air Filter ships pre-oiled and is ready to install directly out of the box. No additional treatment or oiling is needed.
Can I wash and reuse this air filter?
Absolutely. The pleated cotton element is designed to be washable and serviceable. You can clean it and re-oil it for reuse, extending its lifespan considerably.
How often should I service this air filter?
Service intervals depend on your riding conditions and environment. Generally, clean and re-oil the filter when it appears visibly dirty to maintain optimal performance and engine protection.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Harddrive |
| TYPE | Air Filters |
| SKU | 820-50686 |
| WEIGHT | 2.0 lb |