2018 Subaru WRX STI Air Filter Parts

Choose your Submodel for your 2018 Subaru WRX STI


Showing 1 - 8 of 8 products
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K&N
  • Replacement Air Filter
  • Panel; H-.938 in.; L-8.75 in.; W-8.563 in.
  • K/N s replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection; and are covered by K/N s No-Hassle Lifetime Limited Warranty.
  • Air Filter
  • Product Attributes:
    • Oil Included: Filter Is Pre-oiled
    • WARNING CA Proposition 65: Yes
    • Width: 8.563 In.
    • Item Weight: 0.900 Lbs. (0.4 Kg)
    • Machine Washable: Yes
    • Product Box Height: 11.560 In. (294mm)
    • Filter Material: Cotton Gauze
    • Inside Diameter: Oem
    • Product Box Width: 1.750 In. (44 Mm)
    • Product Box Length: 10.440 In. (265mm)
    • Outside Diameter: Oem
    • Item Height: 0.938 In. (24mm)
    • Prop 65 (C, R or CR): Cr
    • Package Content: 1
    • Pre-Screened: No
    • Automotive Item Grade: High Performance
    • Outside Width: 8.563 In. (217mm)
    • Package Contents: 1 Air Filter
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Flange Angle: 0 Degree
    • Overall Length: N/a
    • Package Quantity: 1
    • Shape: Panel
    • Package Material: Paperboard
    • Frame Design: Flexible
    • Filter Re-Oiling Amount: 1.06 Oz (31 Ml)
    • Prop 65 Warning Label: Https://www.knfilters.com/images/l/prop65.jpg
    • Cap Outside Diameter: N/a
    • Filter Style: Dry
    • Outside Length: 8.750 In. (222mm)
    • Package Type: Box
  • Features:
    • Designed To Boost Horsepower And Acceleration
    • Washable And Reusable
    • High Air Flow With Exceptional Filtration
    • Lasts Up To 50000 Miles Before Cleaning
    • Works With Original Equip. Mfg. Vehicle Electronics
    • Will Not Void Vehicle Warranty
    • Million Mile Limited Warranty
  • K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!

This Part Fits the Following OEM/Substitute Numbers:
04861688AA, 16546AA090, 16546AA10, 16546AA10A, 16546AA120, 16546AA12A, 16546AA90, 2820304, 46051FG000, 46914, 49012, 88914, A1527, A3109C, A35592, AD3984, AD5592, C2201...VIEW MORE

Additional Fitment Information:
Vehicle
2018 - Subaru WRX STI

Wix
  • WIX Air Filter Panel
  • Original Equipment Part Number 16546-AA12A
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Inner Diameter Top: Closed
    • Duty Type: Ld
    • Length: 8.74
    • Style: Air Filter Panel
    • Media Material: Synthetic
    • Class: B
  • WIX Premium Panel Air Filters provide excellent engine protection for normal and severe driving conditions such as stop and go traffic, dirt roads, construction sites, short trips, and interstate travel. WIX filters are recommended for OEM air filter change intervals. These filters contain 30% more media than OES filters and use a phenolic resin treated enhanced cellulose media which provides excellent durability against moisture ingestion. When applicable, the high-tear strength polyurethane seal survives extreme hot and cold temperature conditions. Air filter Laboratory Tests per ISO 5011 at least 99.5% efficiency (Based on Wix 42389)

This Part Fits the Following OEM/Substitute Numbers:
0 986 AF2 478, 0 986 AF2 888, 0421712, 16546-AA090, 16546AA10A, 18275, 20-07-714, 26914, 30.615.00, 34-12 321 0002, 3603007, 46914, 5000204194, 585334, 619-46914, 621, 66914, 6914...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Region Engine CID
2018 - Subaru WRX STI H 2458 Mexico 4 Cyl 2.5L -

Fram
  • FRAM, CA9997, Air Filter
  • Rigid Panel Air Filter Excludes Type RA
  • Extra Guard
  • Product Attributes:
    • Reusable: No
    • Shape: Rectangular
    • Flexible or Rigid: Rigid
    • Length: 8.550
  • FRAM Extra Guard® Air Filters are your first line of defense preventing damaging contaminants like pollen and dust from entering your engine. Extra Guard Air Filters block 2X more hazardous particles than the average leading standard retail brands. Replacing a dirty air filter with a FRAM Extra Guard Air Filter helps improve overall engine performance. FRAM filters are engineered to meet OE fit and function requirements.

This Part Fits the Following OEM/Substitute Numbers:
2R8318D483AD, 89031231, A3100C, AF1215, CF101C, VA-187

Additional Fitment Information:
Vehicle
2018 - Subaru WRX STI

Denso
Additional Fitment Information:
Vehicle Sub Model
2018 - Subaru WRX STI Sport-tech

CARQUEST
Additional Fitment Information:
Vehicle Sub Model
2018 - Subaru WRX STI Sport-tech

PUR
  • PUR offers premium air filters at reasonable pricing and have been the reference accross North America for over 40 years.
  • PUR
  • Features:
    • Keeps damaging particles from entering the engine and causing increased engine wear
    • Improves engine response time Protects the operational performance of your engine
    • Reduces ecological footprint through fuel economy
    • Boosts fuel economy by 6% to 11%
    • 98% Efficiency Against Rocks And Other Debris on the Road

This Part Fits the Following OEM/Substitute Numbers:
46914, 49012, 83012, 88914, A35592, AF1280, AF9997, CA9997, PA4197, PA5592, XA5592

Additional Fitment Information:
Vehicle
2018 - Subaru WRX STI

Hengst
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.

Additional Fitment Information:
Vehicle Sub Model
2018 - Subaru WRX STI Sport-tech

Genuine
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.

Additional Fitment Information:
Vehicle Sub Model
2018 - Subaru WRX STI Type RA
Showing 1 - 8 of 8 products

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