2018 Subaru WRX Tune-Up Parts
72 parts verified to fit your 2018 Subaru WRX for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(6)primary
K&N
K&N Filter Universal Rubber Filter-Rd Tapered 3in Flange ID x 6in Base OD x 5in Top OD x 5.563in H
$68.99
aFe
aFe MagnumFLOW Air Filters OER P5R A/F P5R Subaru Impreza WRX STI 08-11 H4-2.5L
$71.00
aFe
aFe MagnumFLOW Air Filters OER PDS A/F PDS Subaru Impreza WRX STI 08-11 H4-2.5L
$76.00
K&N
K&N 09-18 Subaru Forester 2.5L H4 F/I Cabin Air Filter
$47.99
Spectre
Spectre 16-18 Subaru STI 2.5L H4 F/I Replacement Panel Air Filter
$41.99
K&N
K&N 05-08 LGT / 08-11 WRX / STi Drop In Air Filter
$68.99
Fuel Injectors
(15)companion
DeatschWerks
DeatschWerks Toyota / Subaru Performance In-Tank Regulator - High Performance 4.5 BAR
$39.00
DeatschWerks
DeatschWerks 12+ Subaru BRZ/12+ Scion FRS / 15 WRX DW65C 265lph Compact In-Tank Fuel Pump
$159.00
Radium Engineering
Radium Subaru Fuel Hanger For Deatschwerks DW400 - Pumps Not Included
$512.95
Aeromotive
Aeromotive 08-20 Subaru WRX/STi Dual 340lph Drop-In Stealth System
$1027.81
DeatschWerks
DeatschWerks 340lph DW300C Compact Fuel Pump w/ 12+ Scion FR-S/BRZ / 15 WRX Set Up Kit
$189.00
Radium Engineering
Radium 08-21 Subaru Fuel Hanger Plumbing Kit - Stainless
$474.95
Aeromotive
Aeromotive 08-20 Subaru WRX/STi 450lph Drop-In Stealth System
$970.73
Radium Engineering
Radium Subaru Fuel Hanger For Walbro F90000267/274/285 - Pumps Not Included
$512.95
Fluids & Additives
(51)consumable
LIQUI MOLY
LIQUI MOLY 1L Fully Synthetic Hypoid Gear Oil (GL4/5) 75W90
$127.77
LIQUI MOLY
LIQUI MOLY 1L Top Tec 4600 Motor Oil SAE 5W30
$78.39
Motul
Motul 1L Transmission GEAR 300 75W90 - Synthetic Ester
$285.83
LIQUI MOLY
LIQUI MOLY 5L Top Tec 4600 Motor Oil SAE 5W30
$237.03
LIQUI MOLY
LIQUI MOLY 5L Special Tec AA Motor Oil SAE 5W30
$145.98
Royal Purple
Royal Purple Max Gear Synthetic 75W90 Gear Oil - 1 Quart
$107.94
K&N
K&N Universal Performance Gold Oil Filter
$17.99
LIQUI MOLY
LIQUI MOLY 500mL Brake Fluid DOT 4
$151.91
Tune-Up for Other Subaru WRX Years
Other Jobs for Your 2018 Subaru WRX
Frequently Asked Questions
What parts do I need for a tune-up on my 2018 Subaru WRX?
A complete tune-up on the 2018 Subaru WRX typically requires air filters, fuel injectors, fluids & additives. All parts shown on this page are verified to fit your specific vehicle.
How long does a tune-up take on a 2018 Subaru WRX?
A tune-up typically takes 1-2 hours and is rated as easy difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a tune-up myself?
Yes! A tune-up is an easy DIY project that most people can do with basic hand tools. It's a great way to save money on labor costs.
Are these parts guaranteed to fit my 2018 Subaru WRX?
Yes, all parts on this page are verified to fit the 2018 Subaru WRX using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make tune-up parts for the 2018 Subaru WRX?
We carry tune-up parts from trusted brands including K&N, aFe, Spectre, DeatschWerks, and Radium Engineering. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2018 Subaru WRX?
The cost of a tune-up for the 2018 Subaru WRX depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.