SKU: RU-3600 | UPC: 024844373489
K&N Universal Air Filter 4in Flange / 5-3/8 in Base / 4-1/2in Top / 5in Height RU-3600 Fits Audi BMW Saab Mercedes
The K&N RU-3600 is a clamp-on universal air filter engineered for racing vehicles generators snowmobiles tractors and select cars including 2006-2008 Audi A3 2008 Audi TT 1998 BMW 318i 1997-1998 Mercedes-Benz C230 and 2001-2002 Saab 9-3 models. Its high-flow media increases horsepower and acceleration while trapping contaminants with four layers of premium cotton gauze. Pre-oiled and washable this filter installs easily for lasting engine performance gains.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with a tacking agent form a mesh that blocks harmful contaminants for clean engine air.
- Clean Once Every 5 Years: Requires cleaning every 75000 miles under normal highway conditions based on 15000 miles per year average.
- Easy Installation: Pre-oiled and ready to use with molded rubber flanges that stretch up to 116 inch for secure clamp-on fit.
- Engineered Power: State-of-the-art media boosts horsepower acceleration and overall engine response in diverse applications.
- Rugged Construction: Durable premium materials ensure lifetime durability absorbing vibration for reliable performance.
Product Notes
- Washable and reusable design reduces landfill waste compared to disposable filters.
- Flanges absorb vibration and provide secure attachment to 4in intake diameters.
- Product weight 1.3 lb (0.6 kg) ships in box 8.25 x 8.19 x 5.88 in.
Installation Notes
- Professional installation recommended.
- Clamp-on design fits 4in flange centered with 1.063in flange length.
- Stretches up to 116in to match in-between intake sizes no special tools needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2008 | Audi | A3 | Base |
| 2008 | Audi | TT | Base |
| 1998 | BMW | 318i | Base |
| 1997-1998 | Mercedes-Benz | C230 | Base |
| 2001 | Saab | 9-3 | Base |
| 2001-2002 | Saab | 9-3 | SE |
Why Choose K&N?
- K&N designs air filters for wide applications from street cars to off-road equipment.
- Premium cotton gauze media delivers high airflow while filtering fine particles.
- Molded rubber flanges ensure vibration-proof seal and precise engineering fit.
Frequently Asked Questions
- Q: Will the RU-3600 fit my specific vehicle intake?
A: This universal filter suits 4in diameter intakes on listed models and equipment verify your flange OD matches 4in ID with 5-3/8in base 4-1/2in top 5in height. - Q: What materials are used in construction?
A: Ultra-strong molded pliable rubber flanges and four layers of oiled cotton gauze media built for washable reuse. - Q: What warranty coverage applies?
A: Backed by 1-Year Limited Warranty covers defects in materials workmanship.
Shipping & Handling
- Method: Ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Secure box 8.25 in length x 8.19 in width x 5.88 in height
- Weight: 1.3 lb (0.6 kg)
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