K&N 33-2014 Washable Panel Engine Air Filter

The K&N 33-2014 is a washable, reusable replacement engine air filter listed for select 1985–1989 Chevrolet Corvette models. Its panel shape is designed to fit the factory air box, but buyers should confirm exact vehicle fitment before ordering.

At a glance

Washable and reusable design with four layers of treated cotton gauze, according to the listing.
Pre-treated for installation in the factory air box.
The listing identifies select 1985–1989 Chevrolet Corvette models as compatible.
The stated 75,000-mile cleaning interval applies under normal highway driving conditions, using 15,000 miles per year as the basis.

Price

$67.19Save 20%

Reference price: ~~$83.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Reusable construction may reduce the need to replace disposable engine filters as often.
Pre-treated design is described as ready to install in the factory air box.
The listing provides a specific highway-use cleaning interval rather than requiring frequent replacement.

Technical specifications

13 specifications

Identity and fit
Brand	K&N
Model	33-2014
Product type	Replacement Engine Air Filter
Fit type	Vehicle Specific Fit
Listed vehicle fitment	Fits Select 1985-1989 Chevrolet: Corvette (See Product Description)
OEM equivalent part number	25042562

Construction and installation
Form factor	Panel
Weight listed	16 ounces
Filter media	Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
Installation	K&N Air Filters are pre-treated and ready to drop into your factory air box

Care and warranty
Cleaning interval claim	Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (based on the average miles driven per year of 15,000 miles)
Warranty claim	No-hassle limited lifetime warranty on stock replacement K&N air filters- limitations apply
Reuse claim	Using a washable, reusable engine air filter helps reduce replacement air filter waste- a K&N air filter is designed to last longer than 10 or more disposable filters

What to know before buying

The stated 75,000-mile cleaning interval is conditional on normal highway driving, and warranty coverage is described as limited with limitations applying. Confirm vehicle-specific fitment and warranty terms before purchase.

What’s in the box

Included

Engine air filter

Who is it for?

A good fit for

Owners of a listed 1985–1989 Chevrolet Corvette seeking a washable replacement engine air filter.
Buyers who prefer a reusable filter intended to fit the factory air box.

Less suited to

Vehicles outside the listed fitment unless compatibility is confirmed.
Drivers seeking a maintenance-free or disposable filter.

K&N 33-2014 Washable Panel Engine Air Filter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 83 ratings

5 stars80%80%
4 stars14%14%
3 stars2%2%
2 stars2%2%
1 star2%2%

Customer feedback highlights perceived performance, including a report of improvement at idle, along with positive comments about functionality and value. Those impressions may matter to Corvette owners considering a reusable replacement, but they do not establish a measured performance gain. Ratings are mostly five-star, though a smaller share are lower, and ratings alone do not explain the concerns.

Positive themes

Customers report that the filter performs well.
Some feedback mentions perceived engine-performance improvement, particularly at idle.
Customers appreciate its value over time.

Frequently asked questions

Which vehicles is the K&N 33-2014 listed for?

The listing identifies select 1985–1989 Chevrolet Corvette models. Confirm fitment for the specific vehicle before ordering.

How often does it need cleaning?

The listed interval is every 75,000 miles under normal highway driving conditions, based on 15,000 miles driven per year. Actual service needs may depend on driving conditions.

Does it install in the factory air box?

The listing says the filter is pre-treated and ready to drop into the factory air box.

What warranty is stated?

The listing describes a limited lifetime warranty for stock replacement filters and says limitations apply. Check the terms for this specific product.