Sale

K&N

Replacement Engine Air Filter

$101.24 $55.19 Save $46.05

SKU: 33-5091

In Stock
In Stock
Ships by Aug 29
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The K&N Engineering 33-5091 is a performance-grade, panel-style replacement engine air filter. Designed for easy installation, the K&N 33-5091 is a drop-in replacement that fits seamlessly into your factory air box, requiring no modifications. This upgrade aims to increase horsepower and optimize engine efficiency by allowing your engine to breathe more freely. K&N backs this air filter with a 10-Year/Million Mile Limited Warranty, highlighting its durability and reliability. This air filter is specifically designed for use with select 2019-2025 Infiniti QX50 and 2022-2025 Infiniti QX55 models. It is noted that this product is not CARB-verified but complies with relevant standards. The filter's design contributes to superior airflow and superior performance, making it an excellent choice for enhancing your vehicle's capabilities while supporting environmental sustainability.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandK&N
Part Number33-5091
CategoryAir and Fuel

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

View Full Shipping Policy