Overview
The K&N 33-2318 is a reusable air filter with oil-soaked cotton gauze media, made for the 2005–2007 Buick Rendezvous in CX, CXL, CXL Plus and Ultra trims. It is a direct-fit element for those vehicles.
K&N has made oil-impregnated filters for more than four decades, and this model is designed to boost horsepower and acceleration. Up to 100,000 miles of service is possible depending on driving conditions, and the filter can be washed and used again.
Key features
- Washable element that is reused rather than replaced
- Up to 100,000 miles before service, based on driving conditions
- K&N design goal: more horsepower and acceleration
- Million Mile Limited Warranty from K&N
- The filter does not void the vehicle warranty.
- Made in the U.S.A.
Maintenance between cleanings
Buick Rendezvous owners often drive a mix of city streets and longer highway trips, and the air filter sees both. A reusable oiled element works best when it is checked regularly, because dust collects in the pleats faster on unpaved roads and during dry, dusty seasons.
Each cleaning cycle should include washing, drying and re-oiling the element in measured amounts. Inspect the airbox seal and the rubber intake ducts at the same time, since a loose duct lets unfiltered air bypass the element. A filter that has torn media or a collapsed frame should be replaced rather than cleaned.
- Check the element at routine service
- Use a light, even coat of filter oil
- Inspect the airbox seal and ducts while the filter is out
Specifications
| Brand | K&N Filter |
|---|---|
| Part number | K/N33-2318 |
| UPC | 24844113283 |
| Filter type | Oiled cotton gauze |
| Washable | Yes |
| Fitment style | Direct fit |
| Service interval | Up to 100,000 miles, depending on driving conditions |
| Warranty | Million Mile Limited Warranty |
| Origin | Made in the U.S.A. |
Vehicle fitment
It fits the 2005–2007 Buick Rendezvous in CX, CXL, CXL Plus and Ultra trims.
The list covers only the Buick Rendezvous. No other Buick models or Rendezvous years are named. Confirm your vehicle’s year, model and trim before ordering.
What’s included
The kit is one replacement air filter element. No additional hardware is included.









