View larger
K&N Audi A4 1.8L Drop In Air Filter
Buy Brand K&N Engineering K&N Audi A4 1.8L Drop In Air Filter, Model KNN33-2945 online. Air Filters,Air Filters - Drop In
$64.99
SAVE 50%-80% OFF
$26.00
$0 today, followed by 3 monthly payments of $3, interest free. Read More
K&N Audi A4 1.8L Drop In Air Filter
K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2014 | Audi | A4 | Base |
| 2015-2016 | Audi | A4 | Premium |
| 2015-2016 | Audi | A4 | Premium Plus |
| 2015 | Audi | A4 | Prestige |
| 2009-2012 | Audi | A4 Quattro | Avant |
| 2009-2014 | Audi | A4 Quattro | Base |
| 2015-2016 | Audi | A4 Quattro | Premium |
| 2015-2016 | Audi | A4 Quattro | Premium Plus |
| 2015 | Audi | A4 Quattro | Prestige |
| 2010-2014 | Audi | A5 | Cabriolet |
| 2010-2014 | Audi | A5 Quattro | Base |
| 2010-2014 | Audi | A5 Quattro | Cabriolet |
| 2015-2016 | Audi | A5 Quattro | Premium |
| 2015-2016 | Audi | A5 Quattro | Premium Plus |
| 2015 | Audi | A5 Quattro | Prestige |
| 2017 | Audi | A5 Quattro | Sport |
| 2014 | Audi | A6 | Premium |
| 2014 | Audi | A6 | Premium Plus |
| 2013-2016 | Audi | allroad | Premium |
| 2013-2016 | Audi | allroad | Premium Plus |
| 2013-2015 | Audi | allroad | Prestige |
| 2013-2016 | Audi | Q5 | Hybrid Prestige |
| 2011-2017 | Audi | Q5 | Premium |
| 2011-2017 | Audi | Q5 | Premium Plus |
| 2014 | Audi | Q5 | Prestige |
Description
Product code: K&N Audi A4 1.8L Drop In Air Filter
Mega Deal Rugged Ridge XHD Rear Bumper 76-06 Jeep CJ / Jeep WranglerGreat Super official,Flash Offer Lacrosse Fast Moves HoodieFlash Choice official,Super Value Vibrant 2.5in Nom. Schedule-10 T304 SS Tight Radius 90 deg. ElbowSale Now official,Flash Buy Midland 5001Z Mobile Mic + Kenwood KMC-45 Mobile Mic Mount for Jeep JL/JT 18-23 Grab-BarSuper Grab official,Top Price BD Diesel 11-16 Ford F-150 3.5L Ecoboost Exhaust Manifold Passenger SideHot Choice official,Quick Sale Stainless Steel Motion Sensor Rubbish Bin – 50LMega Choice official,Quick Sale Folgandros Men'S Genuine Leather Briefcase Business Laptop Bag Carry On Tote Handbag CowhideTop Buy official,Hot Pick OLD LARGE HISTORIC PHOTO BENDIGO VICTORIA, AERIAL VIEW OF THE TOWN c1940Big Deal official,Best Buy Range Open Workstation 1500Mm W X 750Mm D X 730Mm H Oak BlackHot Choice official,Great Buy Z-Lite 331F18-BN Meshsmith Three Light Flush Mount, Brushed NickelHot Buy official,Big Savings Uni Filter 09-18 Arctic Cat Prowler All (Pre-Filter) Air FilterSuper Grab official,Hot Pick Yaesu FT-7900R HAM Mic + Kenwood TH-K40 Radio Holder with 1 inch RAM BallGreat Value official,Best Price Midland MXT400 GMRS Mic + Kenwood TH-F6 Radio Holder with 1 inch RAM BallSpecial Save official,Great Buy Retro Data Matrix HoodieSpecial Save official,Mega Deal Energy Suspension 95-98 Nissan 240SX (S14) Black Rear Differential Bushing (for 7/8inch O.D. bar OnlHot Mega official,Quick Sale 7-Drawer Workshop Tool Trolley - RedSuper Pick official,Huge Savings Rustic Industrial Floating Wall Shelves DIY BracketsLimited Offer official,Flash Offer Sandover Sakroots Meadow Medium Satchel 4 Colors | Model LGGG - 4432 |Super Choice official,Top Find Cobra 18 WX ST II Mobile Mic + Uniden PRO510XL Mobile Mic Mount for Jeep JL/JT 2024+ Grab-BarSuper Pick official,Limited Time Kenwood TM-V71 Mobile Mic + Yaesu FTM-100DR Mobile Mic Mount for Jeep JL/JT 2024+ Grab-BarHot Choice official,Flash Deal Spider Man Far From Costume ShoesGreat Value official,Clearance Logitech G502X Gaming Mouse BlackHot Choice official,Huge Savings Uniden PC68LTX Mobile Mic + Icom IC-7100 Mobile Mic Mount for Jeep JL/JT 18-23 Grab-BarLimited Save official,Best Choice Exedy OE 2005-2005 Saab 9-2X H4 Clutch KitLimited Pick official,Great Value Cum Stopper 2Great Choice official,Mega Price Rigid Industries 40in SR-Series PRO - Spot/Flood ComboFlash Choice official,Top Savings Cameron Sino Cs Pht100Mx Replacement Battery For Philips MedicalQuick Value official,Top Price Papilion R074200090275100Y .38 in. Grosgrain Ribbon 100 Yards - WineDiscount official,Quick Sale Champion 12 x 18 x 2mm Copper Sealing Washer (25 Pack)Hot Sale official,Big Savings David King & Co. 19 X 9.5 Inch Multi Pocket Duffel, Black, One SizeMega Buy official,Top Price Falken WildPeak M/T 01 37X13.5R20LT 127Q E/10Mega Buy
Mega Deal Rugged Ridge XHD Rear Bumper 76-06 Jeep CJ / Jeep WranglerGreat Super official,Flash Offer Lacrosse Fast Moves HoodieFlash Choice official,Super Value Vibrant 2.5in Nom. Schedule-10 T304 SS Tight Radius 90 deg. ElbowSale Now official,Flash Buy Midland 5001Z Mobile Mic + Kenwood KMC-45 Mobile Mic Mount for Jeep JL/JT 18-23 Grab-BarSuper Grab official,Top Price BD Diesel 11-16 Ford F-150 3.5L Ecoboost Exhaust Manifold Passenger SideHot Choice official,Quick Sale Stainless Steel Motion Sensor Rubbish Bin – 50LMega Choice official,Quick Sale Folgandros Men'S Genuine Leather Briefcase Business Laptop Bag Carry On Tote Handbag CowhideTop Buy official,Hot Pick OLD LARGE HISTORIC PHOTO BENDIGO VICTORIA, AERIAL VIEW OF THE TOWN c1940Big Deal official,Best Buy Range Open Workstation 1500Mm W X 750Mm D X 730Mm H Oak BlackHot Choice official,Great Buy Z-Lite 331F18-BN Meshsmith Three Light Flush Mount, Brushed NickelHot Buy official,Big Savings Uni Filter 09-18 Arctic Cat Prowler All (Pre-Filter) Air FilterSuper Grab official,Hot Pick Yaesu FT-7900R HAM Mic + Kenwood TH-K40 Radio Holder with 1 inch RAM BallGreat Value official,Best Price Midland MXT400 GMRS Mic + Kenwood TH-F6 Radio Holder with 1 inch RAM BallSpecial Save official,Great Buy Retro Data Matrix HoodieSpecial Save official,Mega Deal Energy Suspension 95-98 Nissan 240SX (S14) Black Rear Differential Bushing (for 7/8inch O.D. bar OnlHot Mega official,Quick Sale 7-Drawer Workshop Tool Trolley - RedSuper Pick official,Huge Savings Rustic Industrial Floating Wall Shelves DIY BracketsLimited Offer official,Flash Offer Sandover Sakroots Meadow Medium Satchel 4 Colors | Model LGGG - 4432 |Super Choice official,Top Find Cobra 18 WX ST II Mobile Mic + Uniden PRO510XL Mobile Mic Mount for Jeep JL/JT 2024+ Grab-BarSuper Pick official,Limited Time Kenwood TM-V71 Mobile Mic + Yaesu FTM-100DR Mobile Mic Mount for Jeep JL/JT 2024+ Grab-BarHot Choice official,Flash Deal Spider Man Far From Costume ShoesGreat Value official,Clearance Logitech G502X Gaming Mouse BlackHot Choice official,Huge Savings Uniden PC68LTX Mobile Mic + Icom IC-7100 Mobile Mic Mount for Jeep JL/JT 18-23 Grab-BarLimited Save official,Best Choice Exedy OE 2005-2005 Saab 9-2X H4 Clutch KitLimited Pick official,Great Value Cum Stopper 2Great Choice official,Mega Price Rigid Industries 40in SR-Series PRO - Spot/Flood ComboFlash Choice official,Top Savings Cameron Sino Cs Pht100Mx Replacement Battery For Philips MedicalQuick Value official,Top Price Papilion R074200090275100Y .38 in. Grosgrain Ribbon 100 Yards - WineDiscount official,Quick Sale Champion 12 x 18 x 2mm Copper Sealing Washer (25 Pack)Hot Sale official,Big Savings David King & Co. 19 X 9.5 Inch Multi Pocket Duffel, Black, One SizeMega Buy official,Top Price Falken WildPeak M/T 01 37X13.5R20LT 127Q E/10Mega Buy
K&N Audi A4 1.8L Drop In Air Filter
Great Buy 18x130mm F/L x 228mm OAL 2MT T/S 3FL Core Drill 0.7087" Flash Pick
Top Value Houzer MC-3210SL-1 32.5 x 20.75 in. Medallion Designer Series Undermount Stainless Steel 70 - 30 Double Bowl Kitchen Sink- Small Bowl Left Great Value
Flash Sale Supertech Honda F20/K20A2 Beehive Valve Spring Kit Hot Buy
Super Sale Hudson Valley 5904-OB Sutton Four Light Bath Bracket, Old Bronze (Discontinued) Limited Pick
Flash Sale ALF TOOLS 3 WAY BEVEL MULTIPURPOSE BEVEL Super Sale
Great Grab Western Digital Wd Ultrastar Enterprise Hdd 4Tb Great Price
Deal Alert Yaesu FT-8800R Mobile Mic + Wouxun KG-WV11A Mobile Mic Mount with RAM Ball Special Save
Great Pick Bric's My Safari International Rolling Duffel, Black Hot Mega
Special Offer 2ND ROW FLOOR LINER 21-24 SORENTO (EXC HYBRID) Hot Value
Mega Deal 4800Psi Petrol High Pressure Cleaner Washer 30M Hose Reach Hot Choice
Top Find AWE Tuning 2016+ Honda Civic Si Track Edition Exhaust w/Front Pipe & Triple Diamond Black Tips Mega Value
Mega Offer Progress P300081-020 Judson Collection Two-Light Antique Bronze Clear Glass Farmhouse Bath Vanity Light Top Buy
Limited Time Enchanted Bloom Hoodie Big Deal
Great Grab Gibson Elite Anaya 12 Piece Stoneware Dinnerware Set Great Price
Flash Buy Uniden BEARCAT 680 Mobile Mic + Wouxun KG-1000G Mobile Mic Mount for Jeep JL/JT 18-23 Grab-Bar Mega Choice
Huge Savings Borla 14-15 Chevy Corvette C7 6.2L RWD w/AFM &NPP S-Type Dual Round Rolled Center Rear Exit Exhaust Top Mega
Hot Price Cherry Blossom Bloom Tie-dye Hoodie Hot Value
Hot Deal Manhattan Portage Downtown Roadie Waist Bag (Black) Top Sale
Top Choice Mishimoto 03-09 Dodge Ram 2500/3500 Cummins Diesel Replacement Plastic Radiator Top Save
Best Value Wiseco AC/HON B 4v DOME +8.25 STRUT 8150XX Piston Kit Flash Price
Best Grab Clutch Masters 02-06 Acura RSX 2.0L 5 Sp (High Rev) / RSX 2.0L Type-S 6 Sp (High Rev) Steel Flywheel Best Super
Best Buy 42mm IV (D) Plain Broach Bushing Top Buy
Flash Deal Mini Square Metric 300 x 150mm Great Price
Save Now 1-3/4" x .057" 90T 5/8" Bore HSS Screw Slotting Cutter Great Super
Limited Deal Inflatable Water Jumping Castle Bouncer Hot Mega
Clearance OLD LARGE HISTORIC PHOTO OF LIME CITY OHIO, THE RAILROAD DEPOT STATION c1920 Top Save
Great Deal Snowboarding Drift Hoodie Mega Buy
Best Catch Philadelphia Eagles Paperweight Domed - Sporticulture Super Deal
Deal Alert Everest Double Main Compartment Backpack, Dark Green, One Size Best Save
Great Value Effervescent Ivory Multi Coloured Rug Hot Mega
Mega Offer Garmin InReach Mini 2 Handheld Radio + Kenwood KMC-35 Mobile Mic Mount with RAM Ball Limited Save
Top Value Vera Bradley Lighten Up Wheeled Carry-On, Pueblo Flash Pick
Quick Sale AeroFlow Straight Silicone Hose 2" x 1m BLK Mega Value
Best Choice Indianapolis Colts Disposable Paper Cups - Duck House Limited Find
Top Deal FC04V 18x11.0 5x114.3mm +0 71.5mm BLK / MCHL Discount
Great Grab Russell Performance -8AN Male to 3/8in SAE Quick-Disconnect Female (Black Single) Quick Offer
Top Price Btech UV-25X4 HAM Mic + Retevis RT5 Radio Holder Clip-on for Jeep JL/JT 18-23 Grab Bar Flash Price
Super Sale Lindy Usb A Port Block Or Key X 4 Super Grab
Flash Buy BUARY 15X7 4X110 GNBLK 51MM Limited Offer
Limited Deal Startech Right Angle Micro Usb Cable 24Awg Great Value
Great Grab Artistic Home Gallery 12184634EG Best Friends & Looking for Trouble by Jenny Foster 2-Piece Premium Gallery-Wrapped Canvas Giclee Art Set - 12 x 18 in. Hot Sale
Top Price Kristy By Wallaroo Hat Company - Packable - Upf50+ - Ivory/Black Limited Stock
Great Deal Banks Power 04.5-09 Chevy 6.6L Boost Tube Upgrade Kit Flash Price
Great Deal Chill Breeze Tie-Dye Hoodie Super Grab
Top Find BR08 19x8.5 5x112mm +45 66.5mm MBK Best Mega
Great Value Wholesale!30Inch Pc Hardside Case Fashion Color Trolley Luggage For Male And Female Great Price
Limited Time Uniden BEARCAT 680 Mobile Mic + Uniden CMX560 Mobile Mic Mount with RAM Ball Limited Pick
Best Price Wheel Bearing Rear To Suit CITROEN ZX Top Choice
Super Buy Travelpro Luggage Platinum Elite 16" Carry-On Spinner Tote With Usb Port, Rich Espresso Limited Buy
Top Value Injen 11-14 Mercedes SLK-Class (R172) / 16-17 Mercedes AMG GT X-Pedal Pro Black Edition Throttle Con Limited Pick
Hot Savings American Tourister Kids' Nickelodeon Slime Hardside Spinner 21, Black/Green Best Save
Great Deal 4 Pc Sexy Secretary Black And White Limited Stock
Top Choice X-act Contour - Front Floor Liners Hot Buy
Must Buy Cobra 75 WX ST CB Mic + Baofeng GT-3MK2 Radio Holder with 20mm 67 Designs Ball Great Flash
Great Buy Uniden PC78LTD CB Mic + Rugged Radios RH-5R Radio Holder with 1 inch RAM Ball Super Deal
Top Savings Yaesu FTM-400DR Mobile Mic + Yaesu FTM-3100R Mobile Mic Mount with RAM Ball Great Choice
Top Deal OLD LARGE HISTORIC PHOTO GLASGOW SCOTLAND, AERIAL VIEW OF THE CITY c1950 2 Flash Choice
Super Value Wheel Bearing Rear To Suit BMW Z1 Limited Pick
Super Buy Rf Elements Ultrahorn 5Ghz 24Dbi N Female Connectorised Horn Antenna Best Save
Mega Deal Makita LS1440 355mm Mitre Saw Amazing Price
Top Value Houzer MC-3210SL-1 32.5 x 20.75 in. Medallion Designer Series Undermount Stainless Steel 70 - 30 Double Bowl Kitchen Sink- Small Bowl Left Great Value
Flash Sale Supertech Honda F20/K20A2 Beehive Valve Spring Kit Hot Buy
Super Sale Hudson Valley 5904-OB Sutton Four Light Bath Bracket, Old Bronze (Discontinued) Limited Pick
Flash Sale ALF TOOLS 3 WAY BEVEL MULTIPURPOSE BEVEL Super Sale
Great Grab Western Digital Wd Ultrastar Enterprise Hdd 4Tb Great Price
Deal Alert Yaesu FT-8800R Mobile Mic + Wouxun KG-WV11A Mobile Mic Mount with RAM Ball Special Save
Great Pick Bric's My Safari International Rolling Duffel, Black Hot Mega
Special Offer 2ND ROW FLOOR LINER 21-24 SORENTO (EXC HYBRID) Hot Value
Mega Deal 4800Psi Petrol High Pressure Cleaner Washer 30M Hose Reach Hot Choice
Top Find AWE Tuning 2016+ Honda Civic Si Track Edition Exhaust w/Front Pipe & Triple Diamond Black Tips Mega Value
Mega Offer Progress P300081-020 Judson Collection Two-Light Antique Bronze Clear Glass Farmhouse Bath Vanity Light Top Buy
Limited Time Enchanted Bloom Hoodie Big Deal
Great Grab Gibson Elite Anaya 12 Piece Stoneware Dinnerware Set Great Price
Flash Buy Uniden BEARCAT 680 Mobile Mic + Wouxun KG-1000G Mobile Mic Mount for Jeep JL/JT 18-23 Grab-Bar Mega Choice
Huge Savings Borla 14-15 Chevy Corvette C7 6.2L RWD w/AFM &NPP S-Type Dual Round Rolled Center Rear Exit Exhaust Top Mega
Hot Price Cherry Blossom Bloom Tie-dye Hoodie Hot Value
Hot Deal Manhattan Portage Downtown Roadie Waist Bag (Black) Top Sale
Top Choice Mishimoto 03-09 Dodge Ram 2500/3500 Cummins Diesel Replacement Plastic Radiator Top Save
Best Value Wiseco AC/HON B 4v DOME +8.25 STRUT 8150XX Piston Kit Flash Price
Best Grab Clutch Masters 02-06 Acura RSX 2.0L 5 Sp (High Rev) / RSX 2.0L Type-S 6 Sp (High Rev) Steel Flywheel Best Super
Best Buy 42mm IV (D) Plain Broach Bushing Top Buy
Flash Deal Mini Square Metric 300 x 150mm Great Price
Save Now 1-3/4" x .057" 90T 5/8" Bore HSS Screw Slotting Cutter Great Super
Limited Deal Inflatable Water Jumping Castle Bouncer Hot Mega
Clearance OLD LARGE HISTORIC PHOTO OF LIME CITY OHIO, THE RAILROAD DEPOT STATION c1920 Top Save
Great Deal Snowboarding Drift Hoodie Mega Buy
Best Catch Philadelphia Eagles Paperweight Domed - Sporticulture Super Deal
Deal Alert Everest Double Main Compartment Backpack, Dark Green, One Size Best Save
Great Value Effervescent Ivory Multi Coloured Rug Hot Mega
Mega Offer Garmin InReach Mini 2 Handheld Radio + Kenwood KMC-35 Mobile Mic Mount with RAM Ball Limited Save
Top Value Vera Bradley Lighten Up Wheeled Carry-On, Pueblo Flash Pick
Quick Sale AeroFlow Straight Silicone Hose 2" x 1m BLK Mega Value
Best Choice Indianapolis Colts Disposable Paper Cups - Duck House Limited Find
Top Deal FC04V 18x11.0 5x114.3mm +0 71.5mm BLK / MCHL Discount
Great Grab Russell Performance -8AN Male to 3/8in SAE Quick-Disconnect Female (Black Single) Quick Offer
Top Price Btech UV-25X4 HAM Mic + Retevis RT5 Radio Holder Clip-on for Jeep JL/JT 18-23 Grab Bar Flash Price
Super Sale Lindy Usb A Port Block Or Key X 4 Super Grab
Flash Buy BUARY 15X7 4X110 GNBLK 51MM Limited Offer
Limited Deal Startech Right Angle Micro Usb Cable 24Awg Great Value
Great Grab Artistic Home Gallery 12184634EG Best Friends & Looking for Trouble by Jenny Foster 2-Piece Premium Gallery-Wrapped Canvas Giclee Art Set - 12 x 18 in. Hot Sale
Top Price Kristy By Wallaroo Hat Company - Packable - Upf50+ - Ivory/Black Limited Stock
Great Deal Banks Power 04.5-09 Chevy 6.6L Boost Tube Upgrade Kit Flash Price
Great Deal Chill Breeze Tie-Dye Hoodie Super Grab
Top Find BR08 19x8.5 5x112mm +45 66.5mm MBK Best Mega
Great Value Wholesale!30Inch Pc Hardside Case Fashion Color Trolley Luggage For Male And Female Great Price
Limited Time Uniden BEARCAT 680 Mobile Mic + Uniden CMX560 Mobile Mic Mount with RAM Ball Limited Pick
Best Price Wheel Bearing Rear To Suit CITROEN ZX Top Choice
Super Buy Travelpro Luggage Platinum Elite 16" Carry-On Spinner Tote With Usb Port, Rich Espresso Limited Buy
Top Value Injen 11-14 Mercedes SLK-Class (R172) / 16-17 Mercedes AMG GT X-Pedal Pro Black Edition Throttle Con Limited Pick
Hot Savings American Tourister Kids' Nickelodeon Slime Hardside Spinner 21, Black/Green Best Save
Great Deal 4 Pc Sexy Secretary Black And White Limited Stock
Top Choice X-act Contour - Front Floor Liners Hot Buy
Must Buy Cobra 75 WX ST CB Mic + Baofeng GT-3MK2 Radio Holder with 20mm 67 Designs Ball Great Flash
Great Buy Uniden PC78LTD CB Mic + Rugged Radios RH-5R Radio Holder with 1 inch RAM Ball Super Deal
Top Savings Yaesu FTM-400DR Mobile Mic + Yaesu FTM-3100R Mobile Mic Mount with RAM Ball Great Choice
Top Deal OLD LARGE HISTORIC PHOTO GLASGOW SCOTLAND, AERIAL VIEW OF THE CITY c1950 2 Flash Choice
Super Value Wheel Bearing Rear To Suit BMW Z1 Limited Pick
Super Buy Rf Elements Ultrahorn 5Ghz 24Dbi N Female Connectorised Horn Antenna Best Save
Mega Deal Makita LS1440 355mm Mitre Saw Amazing Price