Harddrive Performance Air Filter - Harley Sportster Evolution
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.
Give your Harley Sportster Evolution the performance edge it deserves with a Harddrive Performance Air Filter. Featuring pleated cotton media, this filter is designed to significantly increase airflow to your engine, boosting throttle response and overall power.
Why riders pick this
- Boosts engine airflow for enhanced Sportster performance
- Pleated cotton media ensures optimal filtration
- Washable and reusable for lasting value
- Pre-oiled for quick and easy, drop-in installation
This Harddrive Performance Air Filter is a direct replacement for OEM part number 29331-04, ensuring a perfect, drop-in fit for your stock airbox assembly. It comes pre-oiled and ready for immediate installation, making it one of the easiest ways to upgrade your Sportster's intake.
Built for Sportster Performance
- Pleated cotton media construction maximizes airflow and filtration
- Increases engine performance for a more responsive ride
- Washable and reusable element for extended service life
- Pre-oiled and ready to install directly into your OE airbox
Maximize Your Sportster's Potential
The washable and reusable design means you can service this filter multiple times, providing long-term value and reducing the need for constant replacements. This is an excellent first step for any Sportster owner looking to uncork their Evolution engine, whether as a standalone upgrade or as part of a Stage 1 kit with a performance exhaust and a proper tune.
Specifications
- Brand: Harddrive
- Manufacturer Part #: TJ-A-074
- UPC: 191361469718
- Dimensions: 8 in L × 4 in W × 4 in H
- Weight: 2 lbs
- Country of Origin: China (Mainland)
Common questions
How often should I clean or replace this air filter?
This filter is washable and reusable. Service intervals depend on riding conditions, but typically you'll clean and re-oil it every 15,000–25,000 miles under normal use.
Does this filter fit my specific Harley Sportster model?
This filter is designed to fit V-twin models that use OEM part number 29331-04. We recommend using our Shop by Bike tool to confirm fitment for your exact Sportster year and model.
Is this a simple bolt-on installation?
Yes, this Harddrive Performance Air Filter is designed for a direct, drop-in fit into your OE air filter assembly and comes pre-oiled, making installation straightforward.
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 | 820-50685 |
| WEIGHT | 2.0 lb |
