Harddrive Performance Air Filter - Harley Milwaukee-Eight Touring
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.
Unlock the full potential of your Harley Milwaukee-Eight Touring engine with a Harddrive Performance Air Filter. This filter is engineered with pleated cotton media to deliver a significant increase in airflow compared to stock filters.
Why riders pick this
- Boosts engine airflow for better power delivery
- Pleated cotton media ensures maximum filtration
- Washable and reusable for extended service life
- Pre-oiled for quick and easy installation
Designed as a direct replacement for OEM part number 29400212, this Harddrive air filter integrates seamlessly into your existing air filter assembly. It arrives pre-oiled and ready for immediate installation, making it a straightforward and impactful upgrade.
Enhanced Performance and Durability
- Pleated cotton media for superior airflow and filtration
- Increases engine performance by allowing more air in
- Washable and reusable construction for long-term value
- Pre-oiled for hassle-free, direct installation
A Foundation for Power
The washable and reusable design means you can service this filter multiple times, extending its lifespan and reducing the need for frequent replacements. This Harddrive Performance Air Filter is a crucial first step for any rider looking to optimize their Milwaukee-Eight's intake system, whether as a standalone upgrade or in conjunction with a performance exhaust and a dyno tune to maximize power and torque.
Specifications
- Brand: Harddrive
- Manufacturer Part #: TJ-A-150
- UPC: 191361469701
- Dimensions: 8 in L × 4 in W × 4 in H
- Weight: 2 lbs
- Country of Origin: China (Mainland)
Common questions
Is this filter pre-oiled and ready to install?
Yes, this Harddrive Performance Air Filter comes pre-oiled from the factory, so it's ready to install directly out of the box without any additional preparation.
How often can I clean and reuse this filter?
The washable cotton media can be cleaned and re-oiled multiple times over the life of the filter. Service intervals will depend on riding conditions, but the reusable design offers significant longevity.
Will this air filter fit my Harley Milwaukee-Eight Touring model?
This filter is a direct replacement for OEM part number 29400212. Please use our Shop by Bike tool to verify exact fitment for your specific year and model.
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 | 820-50684 |
| WEIGHT | 2.0 lb |