K&N Engineering RF-1044 Round Tapered Universal Air Filter

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. Associated products: RF-1020DK Air Filter Wrap, RF-1020DL Air Filter Wrap, RF-1020DR Air Filter Wrap, 99-5000 Filter Care Service Kit Aerosol

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

The K&N Engineering RF-1044 Round Tapered Universal Air Filter is designed for a wide range of automotive, racing, powersports, and equipment applications. Its tapered design accommodates air intake systems with a 6-inch flange, a 7.5-inch base, and a 5-inch top, while the flexible molded rubber flange helps provide a secure connection and absorbs vibration. The flange can stretch slightly to accommodate minor variations in intake sizing.

Built for repeated use, the K&N RF-1044 is washable and reusable, offering a practical alternative to disposable air filters when properly maintained. The filter is suitable for custom intake systems and applications where a universal fit is required. It is associated with K&N RF-1020DK, RF-1020DL, and RF-1020DR air filter wraps, as well as the K&N 99-5000 Filter Care Service Kit Aerosol. This product is not CARB approved; verify compliance before installation in emissions-regulated applications. Fitment data indicates compatibility with select 2002–2004 Ford F-250 Super Duty applications, including configurations requiring a universal-style intake filter.

Key Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: RF-1044
• Filter Type: Round tapered universal air filter
• Flange Size: 6 inches
• Base Diameter: 7.5 inches
• Top Diameter: 5 inches
• Construction: Molded pliable rubber flange with reusable filter media
• Serviceability: Washable and reusable

What's Included

• One K&N Engineering RF-1044 universal air filter

Warranty: Backed by a 1-year limited warranty. Follow K&N cleaning and servicing instructions to maintain filtration performance and ensure proper fitment.

Features:

• Universal Compatibility: Designed for racing vehicles, generators, snowmobiles, tractors, radio-controlled cars, and other applications requiring a universal air filter.
• Secure Flexible Flange: The pliable molded rubber flange absorbs vibration and can stretch slightly to accommodate minor intake-size variations.
• Washable and Reusable: Clean and service the filter for repeated use instead of replacing a disposable filter.
• Tapered Intake Design: Features a 6-inch flange, 7.5-inch base, 5-inch top, and 8-inch height for use with compatible custom intake systems.

Fitments:
1999 Ford F-250 Base
1999 Ford F-250 Lariat
1999 Ford F-250 XL
1999 Ford F-250 XLT
1999 Ford F-250 Super Duty Lariat
1999 Ford F-250 Super Duty XL
1999 Ford F-250 Super Duty XLT
1999 Ford F-350 Super Duty Lariat
1999 Ford F-350 Super Duty XL
1999 Ford F-350 Super Duty XLT
2000 Ford Excursion Limited
2000 Ford Excursion XLT
2000 Ford F-250 Super Duty Lariat
2000 Ford F-250 Super Duty XL
2000 Ford F-250 Super Duty XLT
2000 Ford F-350 Super Duty Lariat
2000 Ford F-350 Super Duty XL
2000 Ford F-350 Super Duty XLT
2001 Ford Excursion Limited
2001 Ford Excursion XLT
2001 Ford F-250 Super Duty Lariat
2001 Ford F-250 Super Duty XL
2001 Ford F-250 Super Duty XLT
2001 Ford F-350 Super Duty Lariat
2001 Ford F-350 Super Duty XL
2001 Ford F-350 Super Duty XLT
2002 Ford Excursion Limited
2002 Ford Excursion XLT
2002 Ford F-250 Super Duty Lariat
2002 Ford F-250 Super Duty XL
2002 Ford F-250 Super Duty XLT
2002 Ford F-350 Super Duty Lariat
2002 Ford F-350 Super Duty XL
2002 Ford F-350 Super Duty XLT
2003 Ford Excursion Eddie Bauer
2003 Ford Excursion Limited
2003 Ford Excursion XLT
2003 Ford F-250 Super Duty Lariat
2003 Ford F-250 Super Duty XL
2003 Ford F-250 Super Duty XLT
2003 Ford F-350 Super Duty King Ranch
2003 Ford F-350 Super Duty Lariat
2003 Ford F-350 Super Duty XL
2003 Ford F-350 Super Duty XLT
2004 Ford Excursion Eddie Bauer
2004 Ford Excursion Limited
2004 Ford Excursion XLS
2004 Ford Excursion XLT
2004 Ford F-250 Super Duty Harley-Davidson Edition
2004 Ford F-250 Super Duty King Ranch
2004 Ford F-250 Super Duty Lariat
2004 Ford F-250 Super Duty XL
2004 Ford F-250 Super Duty XLT
2004 Ford F-350 Super Duty Harley-Davidson Edition
2004 Ford F-350 Super Duty King Ranch
2004 Ford F-350 Super Duty Lariat
2004 Ford F-350 Super Duty XL
2004 Ford F-350 Super Duty XLT
2004 Infiniti QX56 Base
2004 Nissan Pathfinder Armada LE
2004 Nissan Pathfinder Armada SE
2004 Nissan Titan LE
2004 Nissan Titan SE
2004 Nissan Titan XE
2005 Ford Excursion Eddie Bauer
2005 Ford Excursion Limited
2005 Ford Excursion XLS
2005 Ford Excursion XLT
2005 Infiniti QX56 Base
2005 Nissan Armada LE
2005 Nissan Armada SE
2005 Nissan Armada SE Off-Road
2005 Nissan Titan LE
2005 Nissan Titan SE
2005 Nissan Titan XE
2006 Infiniti QX56 Base
2006 Nissan Armada LE
2006 Nissan Armada SE
2006 Nissan Armada SE Off-Road
2006 Nissan Titan LE
2006 Nissan Titan SE
2006 Nissan Titan XE
2007 Infiniti QX56 Base
2007 Nissan Armada LE
2007 Nissan Armada SE
2007 Nissan Titan LE
2007 Nissan Titan SE
2007 Nissan Titan XE
2008 Infiniti QX56 Base
2008 Nissan Armada LE
2008 Nissan Armada SE
2008 Nissan Titan LE
2008 Nissan Titan PRO-4X
2008 Nissan Titan SE
2008 Nissan Titan XE
2009 Dodge Ram 1500 Laramie
2009 Dodge Ram 1500 SLT
2009 Dodge Ram 1500 Sport
2009 Dodge Ram 1500 ST
2009 Dodge Ram 1500 TRX
2009 Dodge Ram 1500 TRX4
2009 Infiniti QX56 Base
2009 Nissan Armada LE
2009 Nissan Armada SE
2009 Nissan Titan LE
2009 Nissan Titan PRO-4X
2009 Nissan Titan SE
2009 Nissan Titan XE
2010 Dodge Ram 1500 Laramie
2010 Dodge Ram 1500 SLT
2010 Dodge Ram 1500 Sport
2010 Dodge Ram 1500 ST
2010 Dodge Ram 1500 TRX
2010 Dodge Ram 1500 TRX4
2010 Ford Mustang Shelby GT500
2010 Infiniti QX56 Base
2010 Nissan Armada Platinum
2010 Nissan Armada SE
2010 Nissan Armada Titanium
2010 Nissan Titan LE
2010 Nissan Titan PRO-4X
2010 Nissan Titan SE
2010 Nissan Titan XE
2011 Ford Mustang Shelby GT500
2011 Nissan Armada Platinum
2011 Nissan Armada SL
2011 Nissan Armada SV
2011 Nissan Titan PRO-4X
2011 Nissan Titan S
2011 Nissan Titan SL
2011 Nissan Titan SV
2011 Ram 1500 Big Horn
2011 Ram 1500 Laramie
2011 Ram 1500 Laramie Longhorn
2011 Ram 1500 Outdoorsman
2011 Ram 1500 SLT
2011 Ram 1500 Sport
2011 Ram 1500 ST
2011 Ram 1500 Tradesman
2012 Ford Mustang Shelby GT500
2012 Nissan Armada Platinum
2012 Nissan Armada SL
2012 Nissan Armada SV
2012 Nissan Titan PRO-4X
2012 Nissan Titan S
2012 Nissan Titan SL
2012 Nissan Titan SV
2012 Ram 1500 Big Horn
2012 Ram 1500 Express
2012 Ram 1500 Laramie
2012 Ram 1500 Laramie Longhorn
2012 Ram 1500 Outdoorsman
2012 Ram 1500 SLT
2012 Ram 1500 Sport
2012 Ram 1500 ST
2012 Ram 1500 Tradesman
2012 Ram 1500 Tradesman HD
2012 Toyota Tundra Base
2012 Toyota Tundra Limited
2013 Ford Mustang Shelby GT500
2013 Nissan Armada Platinum
2013 Nissan Armada SL
2013 Nissan Armada SV
2013 Nissan Titan PRO-4X
2013 Nissan Titan S
2013 Nissan Titan SL
2013 Nissan Titan SV
2013 Ram 1500 Big Horn
2013 Ram 1500 Express
2013 Ram 1500 Laramie
2013 Ram 1500 Laramie Longhorn
2013 Ram 1500 Outdoorsman
2013 Ram 1500 R/T
2013 Ram 1500 SLT
2013 Ram 1500 Sport
2013 Ram 1500 Tradesman
2013 Ram 2500 Big Horn
2013 Ram 2500 Laramie
2013 Ram 2500 Laramie Longhorn
2013 Ram 2500 Lone Star
2013 Ram 2500 Outdoorsman
2013 Ram 2500 Power Wagon
2013 Ram 2500 SLT
2013 Ram 2500 ST
2013 Ram 2500 Tradesman
2013 Ram 3500 Big Horn
2013 Ram 3500 Laramie
2013 Ram 3500 Laramie Longhorn
2013 Ram 3500 Lone Star
2013 Ram 3500 SLT
2013 Ram 3500 ST
2013 Ram 3500 Tradesman
2013 Toyota Tundra Base
2013 Toyota Tundra Limited
2013 Toyota Tundra Platinum
2014 Ford Mustang Shelby GT500
2014 Nissan Armada Platinum
2014 Nissan Armada SL
2014 Nissan Armada SV
2014 Nissan Titan PRO-4X
2014 Nissan Titan S
2014 Nissan Titan SL
2014 Nissan Titan SV
2014 Ram 1500 Big Horn
2014 Ram 1500 Express
2014 Ram 1500 Laramie
2014 Ram 1500 Laramie Limited
2014 Ram 1500 Laramie Longhorn
2014 Ram 1500 Lone Star
2014 Ram 1500 Outdoorsman
2014 Ram 1500 SLT
2014 Ram 1500 Special Service
2014 Ram 1500 Sport
2014 Ram 1500 Tradesman
2014 Ram 2500 Big Horn
2014 Ram 2500 Laramie
2014 Ram 2500 Laramie Limited
2014 Ram 2500 Laramie Longhorn
2014 Ram 2500 Lone Star
2014 Ram 2500 Outdoorsman
2014 Ram 2500 SLT
2014 Ram 2500 Tradesman
2014 Ram 3500 Big Horn
2014 Ram 3500 Laramie
2014 Ram 3500 Laramie Limited
2014 Ram 3500 Laramie Longhorn
2014 Ram 3500 Lone Star
2014 Ram 3500 SLT
2014 Ram 3500 Tradesman
2014 Toyota Tundra 1794 Edition
2014 Toyota Tundra Limited
2014 Toyota Tundra Platinum
2014 Toyota Tundra SR
2014 Toyota Tundra SR5
2015 Nissan Armada Platinum
2015 Nissan Armada SL
2015 Nissan Armada SV
2015 Nissan Titan PRO-4X
2015 Nissan Titan S
2015 Nissan Titan SL
2015 Nissan Titan SV
2015 Ram 1500 Big Horn
2015 Ram 1500 Express
2015 Ram 1500 Laramie
2015 Ram 1500 Laramie Limited
2015 Ram 1500 Laramie Longhorn
2015 Ram 1500 Limited
2015 Ram 1500 Lone Star
2015 Ram 1500 Outdoorsman
2015 Ram 1500 Rebel
2015 Ram 1500 SLT
2015 Ram 1500 Special Service
2015 Ram 1500 Sport
2015 Ram 1500 Tradesman
2015 Ram 2500 Big Horn
2015 Ram 2500 Laramie
2015 Ram 2500 Laramie Limited
2015 Ram 2500 Laramie Longhorn
2015 Ram 2500 Lone Star
2015 Ram 2500 Outdoorsman
2015 Ram 2500 SLT
2015 Ram 2500 Tradesman
2015 Ram 3500 Big Horn
2015 Ram 3500 Laramie
2015 Ram 3500 Laramie Limited
2015 Ram 3500 Laramie Longhorn
2015 Ram 3500 Lone Star
2015 Ram 3500 SLT
2015 Ram 3500 Tradesman
2015 Toyota Tundra 1794 Edition
2015 Toyota Tundra Limited
2015 Toyota Tundra Platinum
2015 Toyota Tundra SR
2015 Toyota Tundra SR5
2015 Toyota Tundra TRD Pro
2016 Ram 1500 Big Horn
2016 Ram 1500 Express
2016 Ram 1500 Laramie
2016 Ram 1500 Laramie Longhorn
2016 Ram 1500 Limited
2016 Ram 1500 Lone Star
2016 Ram 1500 Outdoorsman
2016 Ram 1500 Rebel
2016 Ram 1500 SLT
2016 Ram 1500 Special Service
2016 Ram 1500 Sport
2016 Ram 1500 Tradesman
2016 Ram 2500 Big Horn
2016 Ram 2500 Laramie
2016 Ram 2500 Laramie Longhorn
2016 Ram 2500 Limited
2016 Ram 2500 Outdoorsman
2016 Ram 2500 SLT
2016 Ram 2500 Tradesman
2016 Ram 3500 Big Horn
2016 Ram 3500 Laramie
2016 Ram 3500 Laramie Longhorn
2016 Ram 3500 Limited
2016 Ram 3500 SLT
2016 Ram 3500 Tradesman
2016 Toyota Land Cruiser Base
2016 Toyota Tundra 1794 Edition
2016 Toyota Tundra Limited
2016 Toyota Tundra Platinum
2016 Toyota Tundra SR
2016 Toyota Tundra SR5
2016 Toyota Tundra TRD Pro
2017 Nissan Frontier Desert Runner
2017 Nissan Frontier PRO-4X
2017 Nissan Frontier S
2017 Nissan Frontier SL
2017 Nissan Frontier SV
2017 Ram 1500 Big Horn
2017 Ram 1500 Express
2017 Ram 1500 Laramie
2017 Ram 1500 Laramie Longhorn
2017 Ram 1500 Limited
2017 Ram 1500 Lone Star
2017 Ram 1500 Rebel
2017 Ram 1500 SLT
2017 Ram 1500 Special Service
2017 Ram 1500 Sport
2017 Ram 1500 Tradesman
2017 Ram 2500 Big Horn
2017 Ram 2500 Laramie
2017 Ram 2500 Laramie Longhorn
2017 Ram 2500 Limited
2017 Ram 2500 SLT
2017 Ram 2500 Tradesman
2017 Ram 3500 Big Horn
2017 Ram 3500 Laramie
2017 Ram 3500 Laramie Longhorn
2017 Ram 3500 Limited
2017 Ram 3500 Lone Star
2017 Ram 3500 SLT
2017 Ram 3500 Tradesman
2017 Toyota Land Cruiser Base
2017 Toyota Tundra 1794 Edition
2017 Toyota Tundra Limited
2017 Toyota Tundra Platinum
2017 Toyota Tundra SR
2017 Toyota Tundra SR5
2017 Toyota Tundra TRD Pro
2018 Nissan Frontier Desert Runner
2018 Nissan Frontier PRO-4X
2018 Nissan Frontier S
2018 Nissan Frontier SL
2018 Nissan Frontier SV
2018 Ram 1500 Big Horn
2018 Ram 1500 Express
2018 Ram 1500 Laramie
2018 Ram 1500 Laramie Longhorn
2018 Ram 1500 Limited
2018 Ram 1500 Lone Star
2018 Ram 1500 Rebel
2018 Ram 1500 SLT
2018 Ram 1500 Special Service
2018 Ram 1500 Sport
2018 Ram 1500 Tradesman
2018 Ram 2500 Big Horn
2018 Ram 2500 Limited
2018 Ram 2500 SLT
2018 Ram 2500 Tradesman
2018 Ram 3500 Big Horn
2018 Ram 3500 Laramie
2018 Ram 3500 Laramie Longhorn
2018 Ram 3500 Limited
2018 Ram 3500 SLT
2018 Ram 3500 Tradesman
2018 Toyota Tundra 1794 Edition
2018 Toyota Tundra Limited
2018 Toyota Tundra Platinum
2018 Toyota Tundra SR
2018 Toyota Tundra SR5
2019 Nissan Frontier Desert Runner
2019 Nissan Frontier PRO-4X
2019 Nissan Frontier S
2019 Nissan Frontier SL
2019 Nissan Frontier SV
2019 Ram 1500 Classic Big Horn
2019 Ram 1500 Classic Express
2019 Ram 1500 Classic Lone Star
2019 Ram 1500 Classic Special Service
2019 Toyota Tundra 1794 Edition
2019 Toyota Tundra Limited
2019 Toyota Tundra Platinum
2019 Toyota Tundra SR
2019 Toyota Tundra SR5
2019 Toyota Tundra TRD Pro

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1