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33-2001
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MSRP $73.59 36.1% Off
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K&N 33-2001 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   2 Customer Reviews
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®
The K&N 33-2001 Air Filter fits some Audi 100, Audi 4000, Audi 4000 Quattro, Audi 5000, Audi 80, Audi 80 Quattro, Audi 90, Audi 90 Quattro, Audi Cabriolet, Audi Coupe, Audi Coupe Quattro, Audi Quattro, Audi S2, Dodge Monaco, Eagle Premier, Fiat 124, Fiat 131, Fiat 132, Fiat Argenta, Fiat Regata, Fiat Ritmo, Ford Capri III, Ford Escort III, Ford Escort IV, Ford Orion, Ginetta , Opel Ascona B, Opel Kadett C, Opel Manta, Opel Manta A, Opel Manta B, Opel Rekord E, Reliant SS1, Talbot-Lago Alpine, Talbot-Lago Horizon, Talbot-Lago Minx, Talbot-Lago Rapier, Talbot-Lago Solara, Vauxhall Carlton, Volkswagen Beetle, Volkswagen Caddy I, Volkswagen Dasher, Volkswagen Golf, Volkswagen Golf GTI, Volkswagen Golf I, Volkswagen Golf II, Volkswagen Golf II GTI, Volkswagen Jetta, Volkswagen Jetta I, Volkswagen Jetta II, Volkswagen Karmann Ghia, Volkswagen Passat, Volkswagen Quantum, Volkswagen Rabbit, Volkswagen Rabbit Pickup, Volkswagen Santana, Volkswagen Scirocco, Volkswagen Transporter, Volkswagen Transporter T3, Volkswagen Vanagon, Volvo 142, Volvo 144, Volvo 145, and Volvo 164 models. See vehicle applications link for details.
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

[More Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.25 oz (37 ml)
Height1.563 in (40 mm)
Inner WireNo
Outside Length13.125 in (333 mm)
Outside Width5 in (127 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height13.56 in (345 mm)
Product Box Length7.72 in (196 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Top StyleOpen
Weight1.1 lb (0.5 kg)

K&N 33-2001 Air Filter Product Reviews

Saturday, October 22, 2016 - Part 33-2001
I have had years of problems with my Fiat 124 running too rich. I had the carb rebuilt twice, but it still was too rich. I was told I had to have the carb re-jetted. I bought a K&N air filter and the first thing I noticed was that the engine idle was 200 rpm higher. Then I took it for a drive and wow! The Fiat had the same power as when I bought it over thirty years ago. I still can’t get over how great the car runs now. My service shop said that the air filter in my wife’s Camry was old and needed to be replaced. I took it out to check it and yes, it did look like it needed to be replaced. So, of course I bought a K&N for the Camry. I didn’t notice any more power, but I did notice that our standard 70 mile loop for major monthly shopping was taking a bit less gas. Lately I have been in the process of restoring a 1973 Datsun. I had the carb rebuilt and the car ran briefly. I sent the carb back and thank goodness the guys gave me a much reduced price to rebuild it again. They told me the carb was coated inside with a lot of residue. So before installing the re-re- built carb, I took out the gas tank and I was completely stunned as to how much goo there was in the tank. I had the tank boiled out. Then I had some of the fuel line replaced and had the remainder flushed out. I replaced the fuel filter and replaced the fuel pump with a replica of the original pump. I put on the carb and the engine started great. But the engine would not idle (yes I did have the idle solenoid connected). Then I realized that the car did idle when the air filter was not on. I did several tests to confirm this. I then ordered a K&N for the Datsun. Low and behold the car ran and idled perfectly. Now some say that K&N are too expensive, but if you look at the lifespan of the filters, it can be seen that in the long run, K&N filters are economical. There is another plus to K&N, just think of what goes through the mind of a prospective car buyer when he or she sees a K&N sticker on your air cleaner. Probably something like, "Hmmm, the owner wanted to take the best care of the car."

Donald
California
Thursday, January 1, 2015 - Part 33-2001
Excellent filter!! No doubt it improved my 1998 VW Bug!! You guys at K&N should add this filter to all the Mexican VW Sedan (old beetle) years up to 2003 on your databases since this filter fits perfectly on the stock air filter holder.

Eduardo Novoa
Mexico