2018 Subaru Legacy Tune-Up Parts
88 parts verified to fit your 2018 Subaru Legacy for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(6)primary
aFe
aFe 14-22 Land Rover / 10-19 Subaru / 04-22 Lexus & Toyota Carbon Cabin Air Filter
$23.55
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
K&N
K&N Toyota Cabin Air Filter
$47.99
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
Fuel Injectors
(5)companion
Fel-Pro
Fel-Pro 05-15 Toyota Tacoma/03-20 4Runner/06-12 RAV4 Fuel Injector O-Ring Kit
$42.05
DeatschWerks
DeatschWerks DW300 Performance Pump Module for 15-21 WRX
$499.00
Fel-Pro
Fel-Pro Subaru Outback ES 73203 Fuel Injector O-Ring Kit
$7.90
Fel-Pro
Fel-Pro 13-14 Subaru WRX/13-21 WRX STI/00-12 Outback Fuel Injector O-Ring Kit
$5.91
DeatschWerks
DeatschWerks DW400 Performance Pump Module for 15-21 WRX
$539.00
Fluids & Additives
(77)consumable
LIQUI MOLY
LIQUI MOLY 1L Top Tec ATF 1400
$86.14
LIQUI MOLY
LIQUI MOLY 1L Brake Fluid DOT 4
$66.14
LIQUI MOLY
LIQUI MOLY 205L Special Tec AA Motor Oil SAE 5W30
$1525.02
LIQUI MOLY
LIQUI MOLY 20L Top Tec 4600 Motor Oil SAE 5W30
$229.56
LIQUI MOLY
LIQUI MOLY 205L Special Tec AA Motor Oil SAE 0W20
$1319.63
LIQUI MOLY
LIQUI MOLY 1L Molygen New Generation Motor Oil SAE 5W30
$71.09
LIQUI MOLY
LIQUI MOLY 1L Fully Synthetic Hypoid Gear Oil (GL5) LS SAE 75W140
$204.10
K&N
K&N 03-07 Mitsubishi Lancer Wrench-Off Oil Filer
$17.99
Tune-Up for Other Subaru Legacy Years
Other Jobs for Your 2018 Subaru Legacy
Frequently Asked Questions
What parts do I need for a tune-up on my 2018 Subaru Legacy?
A complete tune-up on the 2018 Subaru Legacy 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 Legacy?
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 Legacy?
Yes, all parts on this page are verified to fit the 2018 Subaru Legacy 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 Legacy?
We carry tune-up parts from trusted brands including aFe, Spectre, K&N, Fel-Pro, and DeatschWerks. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2018 Subaru Legacy?
The cost of a tune-up for the 2018 Subaru Legacy 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.