SKU: 33-2403 | UPC: 024844200914
K&N 33-2403 Replacement Air Filter for 2008 Honda Accord 3.5L V6
K&N 33-2403 is a washable reusable high-flow drop-in air filter designed for 2008 Honda Accord 3.5L V6 and compatible models including 2008-2012 Accord EX/EX-L, 2010-2015 Crosstour, and select Acura TL/TSX. It uses layered oiled cotton media to deliver more airflow for added horsepower and acceleration while trapping contaminants. Install it directly into your factory airbox for immediate performance gains backed by a lifetime limited warranty.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with a tacking agent form a mesh that blocks and traps dirt and debris for reliable engine protection.
- Clean Every 5 Years: Requires cleaning only every 75,000 miles under normal highway driving or 5 years at 15,000 miles annually.
- Easy Installation: Pre-oiled and ready to drop into your factory airbox for a simple cost-effective upgrade with no tools needed.
- Engineered Power: High-flow media increases horsepower, acceleration, and overall engine performance.
- Reusable Design Saves Money: Washable filter cuts costs by up to $125 over 200,000 miles compared to disposable OEM filters.
Product Notes
- Pre-oiled filter arrives ready for immediate installation without additional preparation.
- Wash and re-oil using K&N cleaning kit for maintenance every 75,000 miles.
- Packaged in protective retail box for safe handling and storage.
Installation Notes
- Professional installation recommended.
- Direct drop-in replacement requires no airbox modifications or cutting.
- Compatible with factory hardware. remove stock filter and insert K&N 33-2403.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2014 | Acura | TL | Base |
| 2009-2014 | Acura | TL | SH-AWD |
| 2007-2008 | Acura | TL | Type-S |
| 2013-2014 | Acura | TSX | Base |
| 2013-2014 | Acura | TSX | Special Edition |
| 2010-2014 | Acura | TSX | V6 |
| 2008-2012 | Honda | Accord | EX |
| 2008-2012 | Honda | Accord | EX-L |
| 2010-2011 | Honda | Accord Crosstour | EX-L |
| 2012-2015 | Honda | Crosstour | EX |
| 2012-2015 | Honda | Crosstour | EX-L |
Why Choose K&N?
- Proven track record in motorsports and street performance applications.
- Durable construction with premium materials built to last vehicle lifetime.
- Precision engineered for exact OEM fit and maximum airflow gains.
Frequently Asked Questions
- Q: Will this fit my 2008 Honda Accord 3.5L V6 EX-L?
A: Yes, K&N 33-2403 is a direct replacement for 2008-2012 Honda Accord EX and EX-L V6 models with 3.5L engine. - Q: What material is used in this filter?
A: Oiled cotton gauze in four layers combined with foam sealing for high airflow and filtration. - Q: What is the warranty coverage?
A: No-hassle lifetime limited warranty covers defects in materials or workmanship. limitations apply per terms.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Retail box dimensions 12.1 x 9.2 x 3.5 inches
- Weight: 1.15 lbs





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