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Smart Cabin Air Filter

9 items

Breathe clean air with A-Premium Car Cabin Air Filters. Engineered with multi-layer filtration to block dust, pollen, and odors while maintaining peak airflow.

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Activated Carbon Cabin Air Filter for Smart Fortwo 2008-2018 EQ fortwo 2019Activated Carbon Cabin Air Filter for Smart Fortwo 2008-2018 EQ fortwo 2019
A-Premium®Part # APCAF031
Activated Carbon Cabin Air Filter for Smart Fortwo 2008-2018 EQ fortwo 2019
4.8279 Reviews
$17.99
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90 days free return
Fits 2008 - 2018 Smart Fortwo, 2019 - 2019 Smart EQ Fortwo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Smart
Item LocatedUnited States
Quantity1
Installation PositionUnder Driver Side Dash
Part interchange
CF10612, CAF5843C, CAF2147C, PC5843C-P, 9351, CUK2132, E2946LC, 4518300018, 
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item #1004WA5U
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2 Pcs Activated Carbon Cabin Air Filter for Smart Fortwo 2008-2018 EQ fortwo 2019
A-Premium®Part # APCAF062
2 Pcs Activated Carbon Cabin Air Filter for Smart Fortwo 2008-2018 EQ fortwo 2019
4.8279 Reviews
$28.99
Edit ZIP code
90 days free return
Fits 2008 - 2018 Smart Fortwo, 2019 - 2019 Smart EQ Fortwo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Smart
Item LocatedUnited States
Quantity2
Installation PositionUnder Driver Side Dash
Part interchange
CF10612, CAF5843C, CAF2147C, PC5843C-P, 9351, CUK2132, E2946LC, 4518300018, 
...View more
item #1004WAEL
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AISIN 2 Pcs Cabin Air Filters for Smart Fortwo EQ fortwo 2008-2019
AisinPart # CBFAZ-00302
AISIN 2 Pcs Cabin Air Filters for Smart Fortwo EQ fortwo 2008-2019
4.8279 Reviews
$33.99
Edit ZIP code
90 days free return
Fits 2008 - 2018 Smart Fortwo, 2019 - 2019 Smart EQ fortwo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Smart
Item LocatedUnited States
Part interchange
4518300018
ConditionNew
item #1018PLVE
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AISIN Cabin Air Filter Activated Carbon for Smart Fortwo EQ fortwo 2008-2019
AisinPart # CBFAZ-00301
AISIN Cabin Air Filter Activated Carbon for Smart Fortwo EQ fortwo 2008-2019
4.8279 Reviews
$22.99
Edit ZIP code
90 days free return
Fits 2008 - 2018 Smart Fortwo, 2019 - 2019 Smart EQ fortwo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Smart
Item LocatedUnited States
Part interchange
4518300018
ConditionNew
item #1018PGAQ
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Premium Guard PC5843C Cabin Air Filter
Premium GuardPart # PC5843C
Premium Guard PC5843C Cabin Air Filter
4.84 Reviews
$39.99
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3-year warranty
90 days free return
Fits 2008-2018 Smart Fortwo, 2019-2019 Smart EQ fortwo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Smart
Item LocatedUnited States
Quantity1
Part interchange
PC5843C, XC35843C, F9351, CF10612, AFC1471, E2946LC, CUK2132, A4518300018, 
...View more
item #1001QK78
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Beck/Arnley 042-2159 Cabin Air Filter
Beck/ArnleyPart # 042-2159
Beck/Arnley 042-2159 Cabin Air Filter
4.434 Reviews
$40.99
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3-year warranty
90 days free return
Fits 2005-2007 Smart Fortwo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Smart
Item LocatedUnited States
Quantity1
Part interchange
042-2159
item #1000VYRH
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Cabin Air Filter - Baldwin PA10185
BaldwinPart # PA10185
Cabin Air Filter - Baldwin PA10185
4.65 Reviews
$39.99
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3-year warranty
90 days free return
Fits 2008-2008 Smart Fortwo, 2008-2008 Smart Fortwo, 2008-2008 Smart Fortwo, 2009-2010 Smart Fortwo, 2009-2010 Smart Fortwo, 2009-2010 Smart Fortwo, 2009-2010 Smart Fortwo, 2011-2011 Smart Fortwo, 2012-2012 Smart Fortwo, 2012-2013 Smart Fortwo, 2012-2014 Smart Fortwo, 2012-2014 Smart Fortwo, 2012-2014 Smart Fortwo, 2012-2014 Smart Fortwo, 2013-2013 Smart Fortwo, 2015-2015 Smart Fortwo, 2015-2015 Smart Fortwo, 2015-2015 Smart Fortwo, 2015-2017 Smart Fortwo, 2015-2015 Volkswagen Touareg
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Smart
Item LocatedUnited States
Quantity1
Part interchange
PA10185
item #10029E0T
Note
Charcoal Impregnated Media for Odor Control.
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Beck/Arnley 042-2139 Cabin Air Filter
Beck/ArnleyPart # 042-2139
Beck/Arnley 042-2139 Cabin Air Filter
4.434 Reviews
$41.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008-2015 Smart Fortwo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Smart
Item LocatedUnited States
Quantity1
Part interchange
042-2139
item #1000VYGW
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Cabin Air Filter - Mahle LAK 430
MahlePart # LAK 430
Cabin Air Filter - Mahle LAK 430
51 Reviews
$38.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008-2018 Smart Fortwo, 2019-2019 Smart EQ fortwo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Smart
Item LocatedUnited States
Quantity1
Part interchange
LAK 430, CUK2132, C35843C, 042-2139, 49351, PA10185, CF10612, A 451 830 00 18, 
...View more
item #1000XH8P
Show less

Choose a Cabin Air Filter That Fits Your Vehicle

A cabin air filter traps airborne debris before outside air moves through the passenger-compartment vents. Start by entering your vehicle's year, make, model, trim, and engine, then compare the listing's dimensions, installation position, and fitment notes. A car cabin air filter may sit behind the glove box, under the hood, or elsewhere in the HVAC intake. Also confirm the media type and package quantity before ordering.

Compare Cabin Filter Media and Package Options

Standard and activated-carbon media

Cabin filter listings can differ in their media and construction. Some listings identify activated-carbon media. Treat media as one selection attribute; do not assume it resolves every odor complaint or makes filters interchangeable. Match the listed dimensions, shape, and part interchange to the original filter. If odor is the main complaint, remember that moisture, a dirty evaporator area, or contaminated ductwork may also require inspection.

Filter pairs and combination packages

A-Premium listings include two-piece cabin filter packages and some packages that combine a cabin filter with an engine air filter. Read the quantity and notes instead of assuming a two-piece package contains two identical cabin filters. A combination package may include one filter for the passenger compartment and another for the engine intake.

When Should You Inspect a Cabin Air Filter?

Reduced vent airflow, visible dirt, persistent odors, or debris collecting around the filter can justify an inspection. These signs do not prove the filter is the only cause. A blower problem, blocked air inlet, damaged door actuator, evaporator contamination, or another HVAC restriction can produce similar results. Follow the maintenance schedule in the owner's manual and inspect sooner when the vehicle operates in dusty, smoky, or high-pollen conditions.

Remove the filter only as the vehicle instructions allow. Compare its condition with a new filter, check the housing for leaves or loose debris, and avoid pushing contamination farther into the HVAC case. If airflow remains weak after a correct replacement, continue diagnosing the HVAC system rather than installing another filter.

Cabin Air Filter Fitment Checks

Cabin filter fitment is application-specific. Work through each check below and resolve any mismatch before opening or installing the replacement.

  • Vehicle details: Use the full year, make, model, trim, and engine selection, then read any country-of-build or model-specific note.
  • Dimensions and shape: Compare length, width, height, and panel shape because filters listed for related vehicles can still differ.
  • Installation position: Confirm whether the listing identifies a behind-glove-box, under-hood, or other location that matches the vehicle.
  • Airflow orientation: Note the arrow on the removed filter and follow the vehicle or product instructions when positioning the replacement.
  • Package contents: Verify whether the listing contains one filter, a matched pair, or an engine-and-cabin filter combination.

Replacement and Installation Considerations

Consult the owner's manual before opening the filter housing because access panels, tabs, and fasteners vary by vehicle. Record the old filter's orientation, keep debris out of the open HVAC case, and make sure the new filter sits flat without folded edges. Reinstall the cover so every clip or screw engages. Afterward, run the blower through several speeds and listen for air leaks, rubbing, or a loose cover.

Do not force a filter that appears too thick, too wide, or incorrectly shaped. Recheck the vehicle selection, dimensions, and special notes. A compressed or misaligned filter can leave bypass gaps or interfere with the housing cover, so resolving a mismatch before use is more useful than trimming the media.

Frequently Asked Questions (FAQ)

Is a cabin air filter the same as an engine air filter?

No. A cabin air filter cleans air entering the passenger compartment, while an engine air filter protects the engine intake. Check the listing carefully because some packages contain one of each.

Is an activated-carbon cabin filter always the right choice?

Not automatically. Activated-carbon media is one selection attribute, but fitment still depends on the specified dimensions, shape, and vehicle application. Choose the media only after confirming the filter fits and assessing the source of any odor.

How do I know which cabin filter fits my car?

Enter the complete vehicle information and compare the product's dimensions, installation position, interchange numbers, and fitment notes with the removed filter or the vehicle manual.

Does a cabin air filter listing include one filter or two?

Package quantity varies. Current listings include two-piece cabin-filter packages and packages that combine cabin and engine filters. Confirm the quantity and item description on the selected product page before ordering.

Why is vent airflow still weak after replacing the cabin filter?

The replacement may be misoriented or not seated correctly, but the cause could also be a blower, inlet, duct, door, or evaporator restriction. Recheck installation, then diagnose the HVAC system.

Related Blogs

How to Replace a Cabin Air Filter

A clean cabin air filter enhances your vehicle's air quality. This guide walks you through the signs that indicate a replacement is needed, the tools required, and common mistakes to avoid, making the process easy and effective.

Jul 21, 2026

When to Replace Your Car Air Filters

Jul 21, 2026