K&N

K&N 33-2141-1 High-Flow Air Filter

Name: K&N 33-2141-1 High-Flow Air Filter
Brand: K&N
SKU: KN_3321411
Price: 48.49 USD
Availability: OutOfStock

$48.49 Sold out

✔ K&N 33-2141-1 Engine Air Filter — Premium Washable Replacement Filter
✔ Fitment: 1999–2005 Buick Century, LeSabre, Regal; 2000–2005 Chevrolet Impala, Monte Carlo; 2000–2005 Pontiac Bonneville; 1999–2008 Pontiac Grand Prix
✔ Direct replacement for OEM air filter — no modifications required
✔ Reusable — clean every 75,000 miles under normal highway driving conditions
✔ Washable — engineered to last for the life of your vehicle
✔ Increases airflow for improved horsepower and acceleration
✔ Million Mile Limited Warranty — the last filter your vehicle will ever need

K&N 33-2141-1 High-Flow Air Filter — for Buick, Chevrolet, and Pontiac Models

A clogged or dirty air filter can restrict engine performance and reduce acceleration. The K&N 33-2141-1 replacement filter increases airflow to the engine while providing exceptional filtration. Unlike disposable paper filters, this K&N filter is washable and reusable, saving you money over the life of the vehicle and reducing waste.

This high-performance panel filter features layered, oiled cotton gauze media designed to trap harmful contaminants while maximizing air flow. The filter is pre-oiled and ready to drop directly into your existing factory air box, making installation simple.

When to Replace

• Reduced engine power or sluggish acceleration
• Decreased fuel economy
• Visible dirt, dust, or debris accumulation on the filter
• Filter has been in service for 75,000 miles or more without cleaning
• You want to upgrade the performance of your vehicle

Product Details & Highlights

• ✔ Increased airflow — designed to boost horsepower and rate of acceleration
• ✔ Washable and reusable — engineered to last the lifetime of your vehicle
• ✔ Easy installation — pre-oiled and ready to drop into your factory air box
• ✔ Save money — avoids the cost of replacement disposable filters
• ✔ Eco-friendly — reduces waste by avoiding disposable filters
• ✔ Race-tested — the Official Air Filter of NASCAR, trusted on the racetrack
• ✔ Backed by K&N's manufacturer warranty

Package Contents

• 1 × K&N 33-2141-1 air filter (pre-oiled)

FAQ

FAQ

Is this an OEM replacement or an aftermarket part?
This is a high-performance aftermarket replacement air filter, designed to fit directly into your factory air box as a drop-in replacement.

Does this fit my 2003 Buick Regal?
Yes — the 2003 Regal with the 3.8L V6 engine is listed as compatible. We recommend verifying your specific model and year before ordering.

Does this fit the Chevrolet Impala?
Yes — the 2000–2005 Impala with the 3.4L or 3.8L V6 engine is listed as compatible. Please verify with your VIN.

How often should I clean this filter?
Under normal driving conditions, the filter can go up to 75,000 miles before cleaning is required.

Does this filter come pre-oiled?
Yes — the filter comes pre-oiled and ready to install.

View full details

K&N 33-2141-1 High-Flow Air Filter

OEM Part Numbers
• 33-2141-1
• 33-2141 (alternate format)
• A35330 (Purolator cross-reference)
• R88153 (QAP cross-reference)

Vehicle Fitment Table (OEM Compatibility)

Brand	Model	Years	Engine	Notes
Buick	Century	1999–2005	3.1L V6	All trims
Buick	LeSabre	2000–2005	3.8L V6	All trims
Buick	Regal	1999–2004	3.8L V6	All trims
Chevrolet	Impala	2000–2005	3.4L / 3.8L V6	All trims
Chevrolet	Monte Carlo	2000–2005	3.4L / 3.8L V6	All trims
Pontiac	Bonneville	2000–2005	3.8L V6	All trims
Pontiac	Grand Prix	1999–2008	3.1L / 3.8L V6	All trims

Important Fitment Notes:

• Direct fit – This filter installs directly into the factory air box with no modifications required.
• Pre-oiled – The filter comes pre-oiled and ready to install out of the box.
• Warranty – Covered by K&N's No-Hassle Lifetime Limited Warranty.
• Emissions legal – This filter is emissions legal in all 50 US states.
• Will not void warranty – Using this filter will not void your vehicle warranty.

Condition
New

Product Type
High-Performance Panel Air Filter (Drop-in Replacement)

Function
The air filter cleans the air entering the engine, trapping harmful contaminants while maximizing airflow for improved performance. The K&N media is engineered to provide increased horsepower and acceleration through improved air flow.

Technical Specifications

Brand	K&N
Part Number	33-2141-1
Type	High-performance panel air filter
Shape	Panel
Outside Length	10.5 in (267 mm)
Outside Width	7.875 in (200 mm)
Height	0.938 in (24 mm)
Filter Material	Layered, oiled cotton gauze
Filter Color	Red
Weight	0.9 lb (0.4 kg)
Re-Oiling Amount	1.33 oz (39 ml)
Washable	Yes
Condition	New

Warranty
K&N's No-Hassle Lifetime Limited Warranty applies. For claims, please contact the place of purchase or K&N directly. Warranty terms may vary by region.