K&N Engineering RC-4780 Universal Round Tapered Air Filter – 4-inch Flange, 6.625-inch Base Diameter, 5.25-inch Top Diameter, 9.5-inch Height

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable. Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable.

• NO-HASSLE WARRANTY: 1-Year Limited Warranty
• One Year Limited Warranty

The K&N RC-4780 universal round tapered air filter is designed to provide reliable air filtration for a wide range of applications, including racing vehicles, generators, snowmobiles, and tractors. Crafted with durable, molded pliable rubber flanges, this filter absorbs vibrations and ensures a secure fit, even allowing for stretch up to 1/16 inch to accommodate offset or angled air intake connections. Its tapered design optimizes airflow and enhances filtration efficiency, making it suitable for various equipment and vehicle configurations. The filter's construction promotes easy cleaning and reuse, reducing maintenance costs over time and supporting sustainable operation. Its robust build and versatile sizing make it an ideal choice for custom setups where precise fitment is essential. Designed and manufactured by K&N Engineering, this filter offers dependable performance across different environments and conditions. The product is backed by a one-year limited warranty, confirming its quality and durability for demanding applications. Please note that this filter is not CARB-legal and requires acknowledgment of this status during installation. Its compatibility with specific Ford models from the late 1990s to early 2000s enhances its appeal for those restoring or maintaining vintage trucks. Whether replacing an existing filter or customizing an air intake system, the K&N RC-4780 provides a high-performance, reusable solution that combines convenience with proven filtration technology.

Features:

• Universal fit for a variety of applications including racing vehicles, generators, and snowmobiles

• Constructed with durable molded pliable rubber flanges for vibration absorption and secure attachment

• Stretchable flange design allows for up to 1/16 inch (1.5mm) adjustment to fit offset or angled intakes

• Tapered design enhances airflow and filtration efficiency

• Washable and reusable for long-term cost savings and environmental benefit

• Suitable for custom and universal air intake systems

• Backed by a one-year limited warranty for peace of mind

• Designed for use with specific Ford truck models from 1996 to 2003

• Not CARB-legal; acknowledgment required during installation

Fits
Dodge Ram 2500 Base 1994
Dodge Ram 2500 Base 1995
Dodge Ram 2500 Base 1996
Dodge Ram 2500 Base 1997
Dodge Ram 2500 Base 1998
Dodge Ram 2500 Base 1999
Dodge Ram 2500 Base 2000
Dodge Ram 2500 Base 2001
Dodge Ram 2500 Base 2002
Dodge Ram 2500 Laramie 2003
Dodge Ram 2500 Laramie 2005
Dodge Ram 2500 Laramie 2006
Dodge Ram 2500 Laramie 2007
Dodge Ram 2500 SLT 2003
Dodge Ram 2500 SLT 2004
Dodge Ram 2500 SLT 2006
Dodge Ram 2500 SLT 2007
Dodge Ram 2500 Sport 2006
Dodge Ram 2500 Sport 2007
Dodge Ram 2500 ST 2003
Dodge Ram 2500 ST 2004
Dodge Ram 2500 ST 2006
Dodge Ram 2500 ST 2007
Dodge Ram 2500 TRX4 2006
Dodge Ram 2500 TRX4 2007
Dodge Ram 3500 Base 1994
Dodge Ram 3500 Base 1995
Dodge Ram 3500 Base 1996
Dodge Ram 3500 Base 1997
Dodge Ram 3500 Base 1998
Dodge Ram 3500 Base 1999
Dodge Ram 3500 Base 2000
Dodge Ram 3500 Base 2001
Dodge Ram 3500 Base 2002
Dodge Ram 3500 Laramie 2003
Dodge Ram 3500 Laramie 2004
Dodge Ram 3500 Laramie 2005
Dodge Ram 3500 Laramie 2006
Dodge Ram 3500 Laramie 2007
Dodge Ram 3500 SLT 2003
Dodge Ram 3500 SLT 2004
Dodge Ram 3500 SLT 2005
Dodge Ram 3500 SLT 2006
Dodge Ram 3500 SLT 2007
Dodge Ram 3500 Sport 2006
Dodge Ram 3500 Sport 2007
Dodge Ram 3500 ST 2003
Dodge Ram 3500 ST 2004
Dodge Ram 3500 ST 2005
Dodge Ram 3500 ST 2006
Dodge Ram 3500 ST 2007
Dodge Ram 3500 TRX4 2007
Ford Excursion Eddie Bauer 2003
Ford Excursion Limited 2000
Ford Excursion Limited 2001
Ford Excursion Limited 2002
Ford Excursion Limited 2003
Ford Excursion XLT 2000
Ford Excursion XLT 2001
Ford Excursion XLT 2002
Ford Excursion XLT 2003
Ford F-250 Eddie Bauer 1995
Ford F-250 Eddie Bauer 1996
Ford F-250 Special 1995
Ford F-250 Special 1996
Ford F-250 XL 1994
Ford F-250 XL 1995
Ford F-250 XL 1996
Ford F-250 XLT 1994
Ford F-250 XLT 1995
Ford F-250 XLT 1996
Ford F-250 HD XL 1997
Ford F-250 HD XLT 1997
Ford F-250 Super Duty Lariat 1999
Ford F-250 Super Duty Lariat 2000
Ford F-250 Super Duty Lariat 2001
Ford F-250 Super Duty Lariat 2002
Ford F-250 Super Duty Lariat 2003
Ford F-250 Super Duty XL 1999
Ford F-250 Super Duty XL 2000
Ford F-250 Super Duty XL 2001
Ford F-250 Super Duty XL 2002
Ford F-250 Super Duty XL 2003
Ford F-250 Super Duty XLT 1999
Ford F-250 Super Duty XLT 2000
Ford F-250 Super Duty XLT 2001
Ford F-250 Super Duty XLT 2002
Ford F-250 Super Duty XLT 2003
Ford F-350 Base 1997
Ford F-350 Eddie Bauer 1995
Ford F-350 Special 1995
Ford F-350 Special 1996
Ford F-350 XL 1994
Ford F-350 XL 1995
Ford F-350 XL 1996
Ford F-350 XL 1997
Ford F-350 XLT 1994
Ford F-350 XLT 1995
Ford F-350 XLT 1996
Ford F-350 XLT 1997
Ford F-350 Super Duty King Ranch 2003
Ford F-350 Super Duty Lariat 1999
Ford F-350 Super Duty Lariat 2000
Ford F-350 Super Duty Lariat 2001
Ford F-350 Super Duty Lariat 2002
Ford F-350 Super Duty Lariat 2003
Ford F-350 Super Duty XL 1999
Ford F-350 Super Duty XL 2000
Ford F-350 Super Duty XL 2001
Ford F-350 Super Duty XL 2002
Ford F-350 Super Duty XL 2003
Ford F-350 Super Duty XLT 1999
Ford F-350 Super Duty XLT 2000
Ford F-350 Super Duty XLT 2001
Ford F-350 Super Duty XLT 2002
Ford F-350 Super Duty XLT 2003