2018 Subaru WRX STI Oil Change Parts
55 parts verified to fit your 2018 Subaru WRX STI for a complete oil change. This is an easy DIY project — estimated 30 minutes.
Motor Oil
(50)primary
K&N
K&N Oil Filter for 2025 Infiniti QX50 2.0L
$10.99
LIQUI MOLY
LIQUI MOLY 500mL Brake Fluid DOT 4
$151.91
aFe
aFe Pro GUARD D2 Oil Filter 02-17 Nissan Cars L4/ 04-17 Subaru Cars H4 (4 Pack)
$60.13
Royal Purple
Royal Purple Premium Synthetic High Performance Multi-Grade 5W30 Motor Oil - 5 Quart
$127.59
LIQUI MOLY
LIQUI MOLY 250mL Brake Fluid DOT 4
$89.42
LIQUI MOLY
LIQUI MOLY 1L Hypoid Gear Oil (GL5) SAE 85W90
$67.53
LIQUI MOLY
LIQUI MOLY 5L Molygen New Generation Motor Oil SAE 5W30
$210.34
aFe
aFe Pro GUARD D2 Oil Filter 99-14 Nissan Trucks / 01-15 Honda Cars (4 Pack)
$60.13
Oil & Air Filters
(5)companion
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
Oil Change for Other Subaru WRX STI Years
Other Jobs for Your 2018 Subaru WRX STI
Frequently Asked Questions
What parts do I need for a oil change on my 2018 Subaru WRX STI?
A complete oil change on the 2018 Subaru WRX STI typically requires motor oil, oil & air filters. All parts shown on this page are verified to fit your specific vehicle.
How long does a oil change take on a 2018 Subaru WRX STI?
A oil change typically takes 30 minutes and is rated as easy difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a oil change myself?
Yes! A oil change 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 STI?
Yes, all parts on this page are verified to fit the 2018 Subaru WRX STI using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make oil change parts for the 2018 Subaru WRX STI?
We carry oil change parts from trusted brands including K&N, LIQUI MOLY, aFe, Royal Purple, and Torque Solution. Filter by brand to find your preferred manufacturer.
How much does a oil change cost for a 2018 Subaru WRX STI?
The cost of a oil change for the 2018 Subaru WRX STI 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.