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The K&N Original Lifetime Engine Air Filter is precision-engineered to boost airflow and enhance engine performance for select Buick, Chevrolet, and Pontiac models from 1999–2008. Built with K&N’s signature multi-layered, oiled cotton media, it delivers superior filtration while improving horsepower and throttle response.
This durable, washable air filter is designed to last for the lifetime of your vehicle, backed by K&N’s trusted 10-Year/Million Mile Limited Warranty. Installation is quick and simple—no modifications required—fitting perfectly into your stock air box. Whether you drive a Pontiac Grand Prix, Chevrolet Monte Carlo, or Buick LeSabre, this reusable filter provides consistent performance, cleaner airflow, and long-term savings compared to disposable paper filters.
Engineered for both everyday driving and spirited performance, K&N’s high-flow design maximizes engine efficiency while maintaining exceptional protection against harmful particles.
Features:
• Multi-layered, oiled cotton media for superior airflow and filtration
• Reusable and washable design for long-term performance and cost savings
• Direct drop-in fit for factory air boxes—no modifications needed
• Designed to increase horsepower and throttle response
• Protected by K&N’s 10-Year/Million Mile Limited Warranty
Fitment:
Buick Century Custom 1999
Buick Century Custom 2000
Buick Century Custom 2001
Buick Century Custom 2002
Buick Century Custom 2003
Buick Century Custom 2004
Buick Century Custom 2005
Buick Century Limited 1999
Buick Century Limited 2000
Buick Century Limited 2001
Buick Century Limited 2002
Buick Century Limited 2004
Buick Century Limited 2005
Buick Century Special Edition 2005
Buick LeSabre Custom 2000
Buick LeSabre Custom 2001
Buick LeSabre Custom 2002
Buick LeSabre Custom 2003
Buick LeSabre Custom 2004
Buick LeSabre Custom 2005
Buick LeSabre Limited 2000
Buick LeSabre Limited 2001
Buick LeSabre Limited 2002
Buick LeSabre Limited 2003
Buick LeSabre Limited 2004
Buick LeSabre Limited 2005
Buick Regal GS 1999
Buick Regal GS 2000
Buick Regal GS 2001
Buick Regal GS 2002
Buick Regal GS 2003
Buick Regal GS 2004
Buick Regal GSE 2000
Buick Regal LS 1999
Buick Regal LS 2000
Buick Regal LS 2001
Buick Regal LS 2002
Buick Regal LS 2003
Buick Regal LS 2004
Buick Regal LSE 2000
Chevrolet Impala Base 2000
Chevrolet Impala Base 2001
Chevrolet Impala Base 2002
Chevrolet Impala Base 2003
Chevrolet Impala Base 2004
Chevrolet Impala Base 2005
Chevrolet Impala LS 2000
Chevrolet Impala LS 2001
Chevrolet Impala LS 2002
Chevrolet Impala LS 2003
Chevrolet Impala LS 2004
Chevrolet Impala LS 2005
Chevrolet Impala LS Sport 2003
Chevrolet Impala Police 2003
Chevrolet Impala Police 2004
Chevrolet Impala Police 2005
Chevrolet Impala SS 2004
Chevrolet Impala SS 2005
Chevrolet Monte Carlo LS 2000
Chevrolet Monte Carlo LS 2001
Chevrolet Monte Carlo LS 2002
Chevrolet Monte Carlo LS 2003
Chevrolet Monte Carlo LS 2004
Chevrolet Monte Carlo LS 2005
Chevrolet Monte Carlo LS Competition 2003
Chevrolet Monte Carlo LS Sport 2003
Chevrolet Monte Carlo LT 2005
Chevrolet Monte Carlo SS 2000
Chevrolet Monte Carlo SS 2001
Chevrolet Monte Carlo SS 2002
Chevrolet Monte Carlo SS 2003
Chevrolet Monte Carlo SS 2004
Chevrolet Monte Carlo SS 2005
Chevrolet Monte Carlo SS 35th Anniversary Edition 2002
Chevrolet Monte Carlo SS Dale Earnhardt Signature Edition 2002
Chevrolet Monte Carlo SS High Sport 2003
Chevrolet Monte Carlo SS Pace Car 2003
Pontiac Bonneville SE 2000
Pontiac Bonneville SE 2001
Pontiac Bonneville SE 2002
Pontiac Bonneville SE 2003
Pontiac Bonneville SE 2004
Pontiac Bonneville SE 2005
Pontiac Bonneville SLE 2000
Pontiac Bonneville SLE 2001
Pontiac Bonneville SLE 2002
Pontiac Bonneville SLE 2003
Pontiac Bonneville SLE 2004
Pontiac Bonneville SLE 2005
Pontiac Bonneville SSEi 2000
Pontiac Bonneville SSEi 2001
Pontiac Bonneville SSEi 2002
Pontiac Bonneville SSEi 2003
Pontiac Grand Prix Base 2005
Pontiac Grand Prix Base 2006
Pontiac Grand Prix Base 2007
Pontiac Grand Prix Base 2008
Pontiac Grand Prix GT 1999
Pontiac Grand Prix GT 2000
Pontiac Grand Prix GT 2001
Pontiac Grand Prix GT 2002
Pontiac Grand Prix GT 2003
Pontiac Grand Prix GT 2005
Pontiac Grand Prix GT 2006
Pontiac Grand Prix GT 2007
Pontiac Grand Prix GT1 2004
Pontiac Grand Prix GT2 2004
Pontiac Grand Prix GTP 1999
Pontiac Grand Prix GTP 2000
Pontiac Grand Prix GTP 2001
Pontiac Grand Prix GTP 2002
Pontiac Grand Prix GTP 2003
Pontiac Grand Prix GTP 2004
Pontiac Grand Prix GTP 2005
Pontiac Grand Prix SE 1999
Pontiac Grand Prix SE 2000
Pontiac Grand Prix SE 2001
Pontiac Grand Prix SE 2002
Pontiac Grand Prix SE 2003
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
