2018 Subaru WRX STI Air Filter
Browse our online catalogue to find original replacement Air Filters specifically designed to fit a 2018 Subaru WRX STI.




2018 Subaru WRX STI Air Filter
$21.98
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 1
Fits: 2018 Subaru WRX STI
Equipped With:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: Canada;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number 16546-AA12A
Original Equipment Part Number 16546-AA12A




2018 Subaru WRX STI Air Filter
$21.98
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 1
Fits: 2018 Subaru WRX STI
Equipped With:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: Mexico;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: Mexico;
Vehicle Fitment Notes:
Original Equipment Part Number 16546-AA12A
Original Equipment Part Number 16546-AA12A




2018 Subaru WRX STI Air Filter
$21.98
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 1
Fits: 2018 Subaru WRX STI
Equipped With:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: United States;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number 16546-AA12A
Original Equipment Part Number 16546-AA12A
2018 Subaru WRX STI Air Filter
$23.62
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Required Per Vehicle: 1
Fits: 2018 Subaru WRX STI
Equipped With:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: Canada;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number 16546-AA180
Original Equipment Part Number 16546-AA180
2018 Subaru WRX STI Air Filter
$23.62
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Required Per Vehicle: 1
Fits: 2018 Subaru WRX STI
Equipped With:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: Mexico;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: Mexico;
Vehicle Fitment Notes:
Original Equipment Part Number 16546-AA180
Original Equipment Part Number 16546-AA180
2018 Subaru WRX STI Air Filter
$23.62
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Required Per Vehicle: 1
Fits: 2018 Subaru WRX STI
Equipped With:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: United States;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ257; Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number 16546-AA180
Original Equipment Part Number 16546-AA180

2018 Subaru WRX STI Air Filter
$17.77
10+ In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in Korea
Fits: 2018 Subaru WRX STI
Equipped With:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
OE Number : 16546AA120
OE Number : 16546AA120





2018 Subaru WRX STI Air Filter
$21.10
$13.36
Out of Stock
Condition: New
Required Per Vehicle: 1
Fits: 2018 Subaru WRX STI
Equipped With:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Rigid Panel Air Filter Exc. Type RA
Rigid Panel Air Filter Exc. Type RA