Premium Cabin Air Filter with Activated Carbon for 2015-2019 Ford Transit 150/250/350 Transit 350 HD Transit 250 Diesel/350 Diesel/350 HD Diesel BK21-18D543-AA

Premium Activated Carbon Cabin Air Filter – Fits 2015–2019 Ford Transit 150 / 250 / 350 / 350 HD (Gas & Diesel) | Replaces BK21-18D543-AA

The Ford Transit is the workhorse of contractors, delivery fleets, tradesmen, and small businesses everywhere. But even a tough cargo hauler needs clean interior air — especially when your day involves long hours behind the wheel. The Premium Cabin Air Filter with Activated Carbon, engineered as a direct replacement for BK21-18D543-AA, restores fresh airflow, reduces interior odors, and removes the contaminants that accumulate in commercial driving conditions.

Designed for the full Ford Transit range — including Transit 150, Transit 250, Transit 350, Transit 350 HD, Transit 250 Diesel, Transit 350 Diesel, and Transit 350 HD Diesel — this filter keeps your cabin air clean no matter how dusty your jobsite, how busy your route, or how rough the weather.

  • ✔OE# 1812679. Replace OE# BK21-18D543-AA. Package included: Cabin Air Filter x1.
  • ✔Compatible with: For 2015-2019 Transit-150 3.2L DIESEL, Transit-150 3.5L/3.7L丨For 2015-2019 ransit-250 3.2L DIESEL, Transit-250 3.5L/3.7L丨For 2015-2019 Transit-350 3.2L DIESEL, Transit-350 3.5L/3.7L丨For 2015-2019 Transit-350 HD 3.2L DIESEL, Transit-350 HD 3.5L/3.7L. Please check your vehicle in the Amazon Fitment Filter System in the top left corner. Please make sure to match the exact part numbers between this part and the part that you are replacing.
  • ✔Excellent Protection: Cabin air filter can remove damaging air and separate solid impurities, such as methylbenzene, butane, sulfur dioxide, nitrogen dioxide, dust, pollen, air pollution, pet dander. Provides fresh air to the cabin and enhances experience for driving! Replace early can prevent you and your family from harmful air pollutants!
  • ✔High-quality: Manufactured from top non-woven fibers & activated carbon, which can multiple filtration and double-layer purification for the air, enhance air quality and ventilation in your vehicle cabin, provide clean air for driver and passengers!
  • ✔After-Sales Service: We offer 24 hours customer service and 1 year product service, If you are encounter product installation, product quality and other problems, please feel free to contact us.

$12.99

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SKU: B0B7QZT2G5

Exact Fitment for Ford Transit Work Vans

Built to OEM dimensions, this filter installs directly into the Transit’s factory HVAC housing with no modifications. A perfect fit for both gasoline and Power Stroke diesel Transit vans.

Compatible Models (2015–2019)

  • Ford Transit 150 (Gasoline)

  • Ford Transit 250 (Gasoline & Diesel)

  • Ford Transit 350 (Gasoline & Diesel)

  • Ford Transit 350 HD (Gasoline & Diesel)

  • Ford Transit 250 Diesel

  • Ford Transit 350 Diesel

  • Ford Transit 350 HD Diesel

Whether you’re running a plumber’s van, a delivery fleet, a shuttle service, or a contractor setup, a clean cabin air filter dramatically improves daily driving comfort.

Transit vans pull a lot of outside air through the rugged front cowl — which means dust, road grime, pollen, and diesel soot accumulate fast. This upgraded carbon filter keeps that junk out of your cabin and away from your HVAC system.


Product description

366

Why This Activated Carbon Filter Is Ideal for Transit Vans

Transit vans operate in environments far harsher than commuter cars. This cabin filter is engineered to keep up with the demands of fleet vehicles and heavy-use work vans.

2

Key Benefits

  • Activated Carbon Odor Absorption
    Neutralizes diesel fumes, city pollution, chemical odors, road grime, and moisture-related smells common in commercial vehicles.

 

1
High-Efficiency Particle Filtration
Captures dust, soot, pollen, mold spores, and airborne debris — essential for drivers with allergies or long daily routes.
  • Improves HVAC Airflow
    A clogged filter makes the Transit’s A/C and heater struggle. A fresh filter restores full airflow for faster cooling, stronger heating, and better defrost performance.

  • Protects the HVAC System
    Keeps dirt and debris out of the blower motor and evaporator core, helping prevent expensive repairs and mold-related odor buildup.

  • OEM Replacement for BK21-18D543-AA
    Correct sealing, proper pleating, and exact housing dimensions ensure no unfiltered air bypass.


Replace Your Transit Cabin Filter Regularly

Commercial vehicles need more frequent cabin filter replacement. For Ford Transit drivers, replace every:

10,000–15,000 miles
or sooner if:

  • You drive jobsite-to-jobsite

  • Your van sees dirt roads

  • You run HVAC constantly

  • Interior odors linger after startup

  • Airflow seems weaker than usual

For work vans, a clean cabin filter is a major quality-of-life upgrade.


Keep Your Ford Transit Interior Fresh

The Premium Activated Carbon Cabin Air Filter (BK21-18D543-AA Replacement) is the perfect maintenance upgrade for all 2015–2019 Ford Transit 150/250/350/350 HD models, both gasoline and diesel. Improve HVAC performance, reduce odors, and breathe cleaner air on every shift.

Order today at ProStreetOnline.com.

Specification: Premium Cabin Air Filter with Activated Carbon for 2015-2019 Ford Transit 150/250/350 Transit 350 HD Transit 250 Diesel/350 Diesel/350 HD Diesel BK21-18D543-AA

Brand Name

Model Info

‎1812679

Item Weight

Product Dimensions

Item model number

Part Number

Material Type

ASIN ‏

Date First Available

Manufacturer

Dimensions
Weight 0.334524 kg
Dimensions 27.94 × 22.352 × 2.794 cm

8 reviews for Premium Cabin Air Filter with Activated Carbon for 2015-2019 Ford Transit 150/250/350 Transit 350 HD Transit 250 Diesel/350 Diesel/350 HD Diesel BK21-18D543-AA

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  1. chris


    worked perfectly in my 2015 ford transit 250

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  2. faramarz Fred dargahi


    Perfect fit, good Material& good price.

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  3. PapaChill


    On time delivery. Perfect fit. Good product.

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  4. Nerf dog duck is awesome! My dog plays with it daily. Durable,


    Perfect fit

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  5. Al F Walter


    As advertised, good quality and quick service.

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  6. Robin Powell


    good prices & no time wasted “hunting” for our vehicle air filters!

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  7. Luda


    Great filter for the money. Fits like oem and easy to replace.

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  8. Verified Purchase


    I replace my cabin air filter every Fall.Pros: Price and function – it fits and it filters the cabin air.Cons: None.Value: Worth the $12

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