K&N · E-3988
Part #: E-3988
UPC: 024844366815
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Description: Custom Air Filter; The K&N replacement air filter for RK Series air cleaner assemblies, designed for Harley-Davidson motorcycles, are designed to increase horsepower and acceleration while providing excellent filtration.
Description:
Description
The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for specific K&N RK Series air cleaner assemblies for Harley-Davidson motorcycles. The air filter is covered by the famous K&N Million-Mile Limited Warranty.
Features & benefits
- Replacement air filter for specific RK Series air cleaner assemblies
- Designed to boost horsepower and rate of acceleration
- Washable and reusable
- High air flow filter media provides exceptional filtration
- Million Mile Limited Warranty®
Information
Associated products: 99-5000 Filter Care Service Kit Aerosol
Application summary
| Year | Make / model |
|---|---|
| 2012-2016 | Harley Davidson FLD Switchback |
| 2018 | Harley Davidson FLDE Deluxe 107 |
| 2020 | Harley Davidson FLDE Deluxe 107 |
| 2018 | Harley Davidson FLFB Fat Boy 107 |
| 2018 | Harley Davidson FLFBS Fat Boy 114 |
| 2020 | Harley Davidson FLFBS Fat Boy 114 |
| 2018 | Harley Davidson FLHC Heritage Classic 107 |
| 2020 | Harley Davidson FLHC Heritage Classic 107 |
| 2018 | Harley Davidson FLHCS Heritage Classic 114 |
| 2020 | Harley Davidson FLHCS Heritage Classic 114 |
| 2007-2020 | Harley Davidson FLHR Road King |
| 2007-2013 | Harley Davidson FLHRC Road King Classic |
| 2002-2006 | Harley Davidson FLHRCI Road King Classic |
| 2003-2006 | Harley Davidson FLHRI Road King |
| 2007 | Harley Davidson FLHRS Road King Custom |
| 2008 | Harley Davidson FLHRSE4 Screamin Eagle Road King |
| 2004-2006 | Harley Davidson FLHRSI Road King Custom |
| 2018 | Harley Davidson FLHRXS Road King Special |
| 2020 | Harley Davidson FLHRXS Road King Special |
| 2007-2009 | Harley Davidson FLHT Electra Glide Standard |
| 2020 | Harley Davidson FLHT Electra Glide Standard |
| 2007-2013 | Harley Davidson FLHTC Electra Glide Classic |
| 2002-2006 | Harley Davidson FLHTCI Electra Glide Classic |
| 2007-2013 | Harley Davidson FLHTCU Electra Glide Ultra Classic |
| 2018-2019 | Harley Davidson FLHTCU Electra Glide Ultra Classic |
| 2002-2006 | Harley Davidson FLHTCUI Electra Glide Ultra Classic |
| 2010 | Harley Davidson FLHTCUSE5 CVO Ultra Classic Electra Glide |
| 2017-2018 | Harley Davidson FLHTCUTG Tri Glide Ultra |
| 2020 | Harley Davidson FLHTCUTG Tri Glide Ultra |
| 2009-2013 | Harley Davidson FLHTCUTG Tri Glide Ultra Classic |
| 2003-2006 | Harley Davidson FLHTI Electra Glide Standard |
| 2011-2014 | Harley Davidson FLHTK Electra Glide Ultra Limited |
| 2015-2018 | Harley Davidson FLHTK Ultra Limited |
| 2020 | Harley Davidson FLHTK Ultra Limited |
| 2015-2018 | Harley Davidson FLHTKL Ultra Limited Low |
| 2007-2020 | Harley Davidson FLHX Street Glide |
| 2006 | Harley Davidson FLHXI Street Glide |
| 2014-2018 | Harley Davidson FLHXS Street Glide Special |
| 2020 | Harley Davidson FLHXS Street Glide Special |
| 2010-2011 | Harley Davidson FLHXXX Street Glide Trike |
Specifications
- GTIN
- 10024844366815
- Weight
- 1.08 lb
- Height
- 3 in
- Length
- 10.63 in
- Width
- 8 in
- EO
- Legal US
- Life cycle
- Available to Order
- Alt. part number
- E-3988
- AAM brand code
- KAN
- Warehouse brand code
- KAN
- AAIA brand code
- BBWQ
Attributes
- AAM Standard Pack
- 24
- Air Filter Material
- Cotton Gauze
- Air Filter Shape
- Oval Tapered
- Alternate Part Number
- E-3988
- Automotive Item Grade
- High Performance
- Base Outside Length
- 10 in (254 mm)
- Base Outside Width
- 6 in (152 mm)
- California Proposition 65
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Color
- Heather Red
- Diameter Inside (in.)
- N/A
- Filter Material
- Cotton Gauze
- Flange Angle
- 0 Degree
- Flanges
- None
- Frame Design
- Flexible
- Height
- 2.375 in (60 mm)
- Inner Wire
- No
- Inside Diameter
- N/A
- Item Height
- 2.375 in. (60mm)
- Item Type
- High Performance
- Item Weight
- 1.100 lbs. (0.5 kg)
- Machine Washable
- Yes
- Number of Flanges
- None
- Oil Included
- Filter Is Pre-Oiled
- Outside Diameter
- 9.313 in. (237mm)
- Overall Filter Efficiency
- Up To 99% Efficiency
- Package Contents
- 1 Air Filter
- Package Material
- Paperboard
- Package Quantity
- 1
- Package Type
- Box
- Pre-Screened
- No
- Product Style
- Unique Air Filters
- Shape
- Oval Tapered
- Title
- K&N E-3988 Custom Air Filter
- Top Outside Length
- 8 in (203 mm)
- Top Outside Width
- 5 in (127 mm)
- Warranty
- 1,000,000 Miles/10 Year
- Washable
- Yes
- Weight
- 1.1 lb (0.5 kg)
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
2012-2016 Harley Davidson FLD Switchback; 2018 Harley Davidson FLDE Deluxe 107; 2020 Harley Davidson FLDE Deluxe 107; 2018 Harley Davidson FLFB Fat Boy 107; 2018 Harley Davidson FLFBS Fat Boy 114; 2020 Harley Davidson FLFBS Fat Boy 114; 2018 Harley Davidson FLHC Heritage Classic 107; 2020 Harley Davidson FLHC Heritage Classic 107; 2018 Harley Davidson FLHCS Heritage Classic 114; 2020 Harley Davidson FLHCS Heritage Classic 114; 2007-2020 Harley Davidson FLHR Road King; 2007-2013 Harley Davidson FLHRC Road King Classic; 2002-2006 Harley Davidson FLHRCI Road King Classic; 2003-2006 Harley Davidson FLHRI Road King; 2007 Harley Davidson FLHRS Road King Custom; 2008 Harley Davidson FLHRSE4 Screamin Eagle Road King; 2004-2006 Harley Davidson FLHRSI Road King Custom; 2018 Harley Davidson FLHRXS Road King Special; 2020 Harley Davidson FLHRXS Road King Special; 2007-2009 Harley Davidson FLHT Electra Glide Standard; 2020 Harley Davidson FLHT Electra Glide Standard; 2007-2013 Harley Davidson FLHTC Electra Glide Classic; 2002-2006 Harley Davidson FLHTCI Electra Glide Classic; 2007-2013 Harley Davidson FLHTCU Electra Glide Ultra Classic; 2018-2019 Harley Davidson FLHTCU Electra Glide Ultra Classic; 2002-2006 Harley Davidson FLHTCUI Electra Glide Ultra Classic; 2010 Harley Davidson FLHTCUSE5 CVO Ultra Classic Electra Glide; 2017-2018 Harley Davidson FLHTCUTG Tri Glide Ultra; 2020 Harley Davidson FLHTCUTG Tri Glide Ultra; 2009-2013 Harley Davidson FLHTCUTG Tri Glide Ultra Classic; 2003-2006 Harley Davidson FLHTI Electra Glide Standard; 2011-2014 Harley Davidson FLHTK Electra Glide Ultra Limited; 2015-2018 Harley Davidson FLHTK Ultra Limited; 2020 Harley Davidson FLHTK Ultra Limited; 2015-2018 Harley Davidson FLHTKL Ultra Limited Low; 2007-2020 Harley Davidson FLHX Street Glide; 2006 Harley Davidson FLHXI Street Glide; 2014-2018 Harley Davidson FLHXS Street Glide Special; 2020 Harley Davidson FLHXS Street Glide Special; 2010-2011 Harley Davidson FLHXXX Street Glide Trike; ...
Installation
K&N E-3988
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