SKU: E-3770 | UPC: 024844004499
K&N Custom Air Filter 14in OD / 12in ID / 6in Height E-3770
K&N E-3770 round air filter measures 14 inches outside diameter 12 inches inside diameter and 6 inches height for custom air box applications. Layered oiled cotton media improves airflow captures contaminants and adds horsepower in performance setups. Washable and reusable design backed by No-Hassle Lifetime Limited Warranty lasts vehicle life with cleaning every 50000 miles.
Key Features
- Horsepower Increase: High-flow design advances engine airflow for power gains
- High Airflow Filtration: Oiled cotton layers trap dirt allow more air through
- Emissions Legal: Meets regulations in all 50 states
- Drop-In Fit: Installs directly into factory or custom air boxes
- Long-Lasting Build: Washable reusable cleans every 50000 miles lasts vehicle lifetime
Product Notes
- Verify 12in ID flange matches air box before install
- Clean with K&N oil and cleaner kit every 50000 highway miles
- Product weight 2.6 lb (1.2 kg) box dimensions 15in x 15in x 7in
Installation Notes
- Professional installation recommended.
- Centered flange 1.063in long 12in ID slides into matching tube
- No hardware or cutting needed for direct fit applications
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Custom | Air Cleaner Assemblies | 12in ID Flange |
Why Choose K&N?
- Over 60 years designing filtration for motorsports and street
- Oiled cotton gauze construction handles high heat and dirt loads
- Precision dimensions ensure seal and flow in custom setups
Frequently Asked Questions
- Q: Will E-3770 fit my specific vehicle air box?
A: Fits custom or factory air boxes with 12in ID flange 14in OD space and 6in height clearance check dimensions first - Q: What media does the filter use?
A: Four layers of surgical cotton gauze pleated over steel mesh oiled for flow and filtration - Q: Details on warranty and maintenance?
A: No-Hassle Lifetime Limited Warranty covers defects wash re-oil every 50000 miles does not void vehicle warranty
Shipping & Handling
- Method: Ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Cardboard box 15in L x 15in W x 7in H
- Weight: 2.6 lb
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