K&N High-Flow Original Engine Air Filter 33-5120 — Washable Lifetime Filter for select 2022–2026 Acura/Honda 1.5L

The K&N High-Flow Original Lifetime Engine Air Filter (33-5120) is a washable, reusable replacement filter engineered to boost airflow and preserve engine performance for select 2022–2026 Acura and Honda 1.5L L4 models.

This high-performance air filter replaces disposable paper elements with a multi-layer cotton gauze media that increases airflow—helping your engine breathe better—while lasting for the life of your vehicle when serviced as directed. Built to fit easily into the factory air box of compatible Acura Integra and Honda Accord, Civic, CR-V and related models, the K&N 33-5120 provides a cost-effective, eco-friendlier alternative to single-use filters and is backed by K&N’s limited lifetime warranty.

How does this filter improve engine performance?

The K&N High-Flow media is engineered to allow greater volume of clean air into the intake than typical paper filters, which can help responsiveness and maintain factory power under load. More consistent airflow helps your engine perform as intended across normal driving conditions.

• State-of-the-art cotton gauze media increases air permeability compared to standard filters.
• Multi-layer construction captures contaminants while minimizing restriction.
• Tested on race tracks and road conditions to ensure reliable flow and filtration balance.

Will it fit my 2022–2026 Acura or Honda?

33-5120 is designed for specific Acura and Honda 1.5L L4 models; it installs in the factory air box without modification. Confirm vehicle compatibility against year, model and engine size before purchasing to ensure an exact fit.

• Compatible with select 2022–2026 Honda Civic and 2023–2026 Honda Accord models with L4 1.5L engines.
• Fits 2023–2026 Acura Integra and 2023–2026 Honda CR-V with matching engine spec.
• Installation drops into the stock housing in minutes—no special tools typically required.

How often does it need maintenance and how do I clean it?

K&N filters are washable and reusable; under average highway driving conditions they typically need cleaning about every 75,000 miles. Cleaning uses K&N cleaning and oil products or equivalent; follow the included service instructions for best results.

• Clean approximately every 75,000 miles under normal driving assumptions (15,000 miles/year).
• Use a gentle wash, K&N cleaner, rinse, dry, and re-oil per K&N procedure.
• Pre-treated at the factory and ready to install right away.

What are the durability and warranty details?

Constructed from premium materials with rugged assembly, this K&N filter is built to last and resist aging commonly found in disposable elements. K&N supports its lifetime replacement filters with a limited warranty that covers defects—check the warranty terms for limitations.

• Durable cotton gauze media and reinforced frame for long life.
• No-hassle limited lifetime warranty; limitations apply—review K&N policy.
• Made in the USA to K&N quality standards.

Who is this for? The K&N 33-5120 is ideal for drivers of compatible 2022–2026 Acura and Honda 1.5L vehicles who want a low-maintenance, reusable air filter that improves airflow and reduces ongoing filter-buying expense and waste. It’s a practical upgrade for enthusiasts who value durability and simple DIY servicing as well as everyday drivers seeking a reliable, factory-fit replacement with potential performance benefits.