Automotive Filter Lookup

Car Air Filter Size Lookup: Cabin & Engine Filter Part Numbers

Find cabin and engine air filter references by year, make, and model. Confirm the generation, engine, trim, and part number before ordering.

Find the Right Cabin or Engine Air Filter

Short answer: Select your vehicle first. Car air filters do not have one universal size. The correct part can change by model year, generation, engine, trim, and hybrid or electric vehicle configuration.

Cabin Filter vs. Engine Air Filter

Cabin Air Filter

Filters air entering the passenger cabin through the heating and air conditioning system. The exact media and filtration performance depend on the filter selected for the vehicle.

View Cabin Filter Guide Details

Engine Air Filter

Filters intake air before it reaches an internal combustion engine. It is separate from the cabin filter and does not apply to fully electric vehicles.

View Engine Filter Guide Details

Before You Buy: Check These 6 Fitment Details

Verify these vehicle specifications before placing your filter order:

  1. Model year: Use the vehicle's model year, not only the registration or purchase year.
  2. Generation: A redesign can change the filter housing even when the model name stays the same.
  3. Engine or fuel type: Gas, hybrid, diesel, turbo, and fully electric versions can use different filter arrangements.
  4. Trim and market: Equipment can vary by trim level and sales region.
  5. Production date: Early and late production vehicles can have different parts within one model year.
  6. Existing part number: Compare the printed number and physical shape with the suggested replacement.

If your vehicle page shows multiple options, confirm with your vehicle identification number (VIN), owner's manual, or the part number stamped on your old filter.

How to Measure an Existing Car Air Filter

Measure the outside length, width, and depth of the filter frame. Record the dimensions in the same unit used by the catalog. If the old filter is bent or crushed, rely more heavily on the printed part number and a vehicle-specific catalog.

Measurements are a confirmation step. Two filters can have similar dimensions but different corner shapes, seals, tabs, frames, or airflow requirements.

Air Filter Replacement Interval, Signs, and Cost

Replacement interval: Follow the maintenance schedule in the vehicle owner manual. Inspect sooner when driving regularly in dusty, smoky, or debris-heavy conditions.

Inspection signs: Visible debris, a damaged frame, or reduced vent airflow can justify an inspection. These signs can also have other causes, so inspect before replacing.

Replacement cost: Price depends on the vehicle, filter type, brand, and labor required for access. Identify the exact part first, then compare the part price with a written service quote.

What Each Vehicle Result Includes

Each vehicle page is designed to help you confirm the details that matter before you order:

  • Part number references: OEM, FRAM, and WIX numbers where listed.
  • Filter dimensions: Length, width, and height in inches and millimeters.
  • Location notes: A cabin-filter or engine-airbox location reference for the vehicle record.
  • Fitment checks: Generation, engine, hybrid, trim, and production-date details that can affect the match.
  • Final confirmation: Use the VIN, owner manual, OEM catalog, or old filter label before buying.

Car Air Filter Guides

Cabin Air Filter Guide Learn what a cabin air filter does, where it may be located, how media types differ, and how to verify the correct replacement for your vehicle. Engine Air Filter Guide Find out how engine air filters work, how to verify size and part number, when to inspect the filter, and what to check during replacement. Car Air Filter Size and Part Number Guide Learn how to use vehicle fitment, dimensions, OEM references, and aftermarket cross-references to find a cabin or engine air filter. Cabin Air Filter Location Guide See the common cabin air filter locations, how to identify the access cover, and why the exact position varies by vehicle. Cabin Air Filter Airflow Direction Learn how to read Air Flow and This Side Up markings and determine the correct cabin filter direction for a specific vehicle. How to Replace a Cabin Air Filter Understand the basic cabin air filter replacement process, vehicle-specific access differences, airflow markings, and post-installation checks. How to Replace an Engine Air Filter Learn the basic engine air filter replacement process, airbox checks, fitment confirmation, and common installation mistakes. Car Air Filter Replacement Cost Understand cabin and engine air filter replacement cost factors, how service quotes differ, and how to compare DIY and professional options. Car Air Filter Replacement Interval Guide Learn how cabin and engine air filter replacement intervals vary by vehicle, mileage, time, environment, and inspection condition. Dirty Air Filter Symptoms Review possible cabin and engine air filter symptoms, what they can mean, and why inspection is needed before replacing parts.

Browse All Car Air Filter Pages by Make and Model

Open a make to view every model currently available in the database. Each model link opens the latest listed year, where the year selector connects the remaining model-year pages.

Acura 2 models
Alfa Romeo 2 models
Audi 4 models
BMW 4 models
Buick 1 models
Cadillac 1 models
Chevrolet 8 models
Chrysler 1 models
Dodge 4 models
Fiat 2 models
Ford 12 models
GMC 4 models
Genesis 4 models
Honda 7 models
Hyundai 5 models
Infiniti 5 models
Jaguar 3 models
Jeep 10 models
Kia 7 models
Land Rover 4 models
Lexus 4 models
Lincoln 6 models
Lucid 1 models
Maserati 2 models
Mazda 5 models
Mercedes-Benz 5 models
Mercury 1 models
Mini 2 models
Mitsubishi 5 models
Nissan 6 models
Polestar 2 models
Pontiac 3 models
Porsche 4 models
RAM 2 models
Rivian 2 models
Saturn 2 models
Scion 2 models
Subaru 4 models
Tesla 5 models
Toyota 9 models
Volkswagen 5 models
Volvo 2 models

Popular Vehicle Filter Lookups

Gen XV80 Toyota Camry

Toyota Camry

Cabin Filter: CF10285
Engine Filter: CA10741
Years: 2025 to 2026
View Specs & Guide
Gen 11th Gen Honda Civic

Honda Civic

Cabin Filter: CF10134
Engine Filter: CA12050
Years: 2022 to 2026
View Specs & Guide
Gen 14th Gen Ford F-150

Ford F-150

Cabin Filter: CF12150
Engine Filter: CA10262
Years: 2021 to 2026
View Specs & Guide
Gen T1XX Chevrolet Silverado 1500

Chevrolet Silverado 1500

Cabin Filter: CF11809
Engine Filter: CA11956
Years: 2019 to 2026
View Specs & Guide
Gen XA50 Toyota RAV4

Toyota RAV4

Cabin Filter: CF10285
Engine Filter: CA10741
Years: 2019 to 2026
View Specs & Guide
Gen 6th Gen Honda CR-V

Honda CR-V

Cabin Filter: CF10134
Engine Filter: CA12050
Years: 2023 to 2026
View Specs & Guide
Gen 5th Gen DT RAM 1500

RAM 1500

Cabin Filter: CF11671
Engine Filter: CA10261
Years: 2019 to 2026
View Specs & Guide
Gen 6th Gen Subaru Outback

Subaru Outback

Cabin Filter: CF10930
Engine Filter: CA12044
Years: 2020 to 2026
View Specs & Guide
Gen E210 Toyota Corolla

Toyota Corolla

Cabin Filter: CF10285
Engine Filter: CA10741
Years: 2020 to 2026
View Specs & Guide
Gen WL Jeep Grand Cherokee

Jeep Grand Cherokee

Cabin Filter: CF11183
Engine Filter: CA11883
Years: 2021 to 2026
View Specs & Guide
Gen 6th Gen Ford Explorer

Ford Explorer

Cabin Filter: CF12150
Engine Filter: CA10262
Years: 2020 to 2026
View Specs & Guide
Gen T1XX GMC Sierra 1500

GMC Sierra 1500

Cabin Filter: CF11809
Engine Filter: CA11956
Years: 2019 to 2026
View Specs & Guide

Need Help Identifying Your Filter?

How We Verify Fitment

Use this as a fitment reference: A vehicle's year, engine, trim, production date, and market can change the correct filter. Confirm the final part number with your vehicle identification number (VIN), owner manual, OEM catalog, or existing filter label before ordering.

What If Your Vehicle Is Not Listed?

Do not substitute a filter from a similar model. Check the owner manual, inspect the old filter label, use a VIN-based OEM catalog, or ask a parts supplier to verify the exact vehicle. Missing data means this lookup cannot provide a reliable reference for that configuration.

Frequently Asked Questions About Automotive Air Filters

How do I find my car air filter size?

Select the make, model, and year, then confirm the generation, engine, trim, and production split. Use the listed dimensions as a cross-check before ordering.

Is a cabin air filter different from an engine air filter?

Yes. A cabin air filter cleans air entering the passenger area through the heating and air conditioning system. An engine air filter cleans intake air entering an internal combustion engine.

Can the same model have different air filters by year or trim?

Yes. Generation, engine, trim, sales market, and production changes can alter the correct filter even when the model name stays the same.

Should I use the old filter number or vehicle lookup?

Use both when possible. The vehicle lookup narrows the options, while the old part number and physical shape help confirm the match.

Can I choose a car air filter by dimensions alone?

No. Similar measurements do not guarantee the same seals, tabs, frame, corner shape, or vehicle fitment. Confirm the part number and vehicle application.

How do I measure an existing car air filter?

Measure the outside length, width, and depth of the filter frame. Record the dimensions in the same unit used by the catalog, then compare the shape and part number as well.

Where is the cabin air filter located?

The location depends on the vehicle. Common locations include behind the glove box, below the dashboard, and near the windshield cowl. Check the vehicle result and owner manual before removing panels.

Which way should the cabin air filter arrow point?

Follow the marking on the filter and housing. An Air Flow arrow points in the direction of airflow, while a This Side Up marking describes orientation. Do not assume every vehicle uses the same direction.

How often should cabin and engine air filters be replaced?

Follow the interval in the vehicle owner manual. Timing varies by vehicle, filter, mileage, time, and driving environment. Inspect sooner in dusty, smoky, or debris-heavy conditions.

How much does car air filter replacement cost?

Cost depends on the vehicle, filter type, part brand, and labor required for access. Use the vehicle result to identify the correct part, then compare the part price with a written service quote.

What are common signs that an air filter should be inspected?

Visible debris, a damaged filter frame, or reduced vent airflow can justify an inspection. These signs can have other causes, so check the filter and follow the vehicle maintenance guidance before replacing it.

What if my vehicle does not appear in the database?

Do not substitute a filter from a similar model. Check the owner manual, inspect the old filter label, use a VIN-based OEM catalog, or ask a parts supplier to verify the exact vehicle.