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SKU: RU-4730 | UPC: 024844101938
K&N RU-4730 Universal Clamp-On Air Filter 3 Inch Flange 6 Inch Base 5 Inch Top 6 1/2 Inch Height
The K&N RU-4730 universal clamp-on air filter delivers high airflow for racing vehicles generators snowmobiles tractors and passenger cars including Mitsubishi Eclipse BMW 3 Series Jeep Wrangler Chevrolet Cruze and more. With a 3 inch centered rubber flange 6 inch base diameter 5 inch top diameter and 6.5 inch height it clamps securely onto 3 inch intake tubes for vibration absorption and precise fit. This pre-oiled filter traps contaminants while increasing horsepower acceleration and engine performance through four layers of cotton gauze media.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks harmful contaminants for reliable engine protection
- Clean Once Every 5 Years: Requires cleaning every 75000 miles under normal highway driving or 5 years at 15000 miles per year saving time and cost
- Easy Installation: Pre-oiled and ready to clamp on offering quick performance gains as a cost-effective upgrade
- Engineered Power: State-of-the-art media design increases horsepower acceleration and overall engine response
- Rugged Construction: Durable premium materials and molded rubber flanges built to last a lifetime absorbing vibration
Product Notes
- Flanges stretch up to 1/16 inch to fit between sizes
- Washable and reusable with K&N cleaning kit for long-term use
- Net weight 1 lb 5 oz package weight 1.45 lbs
Installation Notes
- Professional installation recommended.
- Clamps directly onto 3 inch diameter air intake tube
- Centered circular flange 0.75 inch long no modifications needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2000-2005 | Mitsubishi | Eclipse | GS |
| 2000-2011 | Mitsubishi | Eclipse | GT |
| 2003-2005 | Mitsubishi | Eclipse | GTS |
| 2000-2004 | Mitsubishi | Eclipse | RS |
| 2008 | Mitsubishi | Eclipse | SE |
| 2001-2005 | Mitsubishi | Eclipse | Spyder GS |
| 2001-2005 | Mitsubishi | Eclipse | Spyder GT |
| 2000 | BMW | 323Ci | Base |
| 1999-2000 | BMW | 323i | Base |
| 2001-2005 | BMW | 325Ci | Base |
| 2001-2005 | BMW | 325i | Base |
| 2002-2005 | BMW | 325xi | Base |
| 2000 | BMW | 328Ci | Base |
| 1999-2000 | BMW | 328i | Base |
| 2017-2019 | Chevrolet | Cruze | L |
| 2017-2019 | Chevrolet | Cruze | LS |
| 2017-2019 | Chevrolet | Cruze | LT |
| 2007-2011 | Jeep | Wrangler | Rubicon |
| 2007-2011 | Jeep | Wrangler | Sahara |
| 2007-2011 | Jeep | Wrangler | Sport |
| 2007-2011 | Jeep | Wrangler Unlimited | Rubicon |
| 2002-2009 | Chevrolet | Trailblazer | LS |
| 2007-2010 | Dodge | Caliber | SXT |
Why Choose K&N?
- Decades of experience engineering high-flow air filters for motorsports and street use
- Washable reusable design eliminates frequent replacements
- Advanced cotton gauze media provides high airflow with contaminant trapping
Frequently Asked Questions
-
Q: Does the K&N RU-4730 fit Mitsubishi Eclipse or BMW 3 Series?
A: Yes it fits 2000-2011 Mitsubishi Eclipse models including GT GTS Spyder and 1999-2005 BMW 3 Series like 325i 325Ci plus Jeep Wrangler Chevrolet Cruze and dozens more via 3 inch clamp-on flange -
Q: What material is used in the filter media?
A: Four layers of premium cotton gauze treated with a proprietary tacking agent in a high-flow conical design with molded rubber flanges -
Q: What is the warranty and maintenance interval?
A: Backed by 1-Year Limited Warranty clean every 75000 miles or 5 years using K&N oil and cleaner kit
Shipping & Handling
- Method: Ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Original K&N box dimensions 8.1 x 7.9 x 7.8 inches
- Weight: 1.3 lbs
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