2003 Subaru Outback Tune-Up Parts
126 parts verified to fit your 2003 Subaru Outback for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(7)primary
Spectre
Spectre 16-18 Subaru STI 2.5L H4 F/I Replacement Panel Air Filter
$41.99
aFe
aFe MagnumFLOW Air Filters OER PDS A/F PDS Nissan Cars 90-11 V6 Trucks 90-10
$76.00
K&N
K&N 02-07 WRX/STi Drop In Air Filter 11in O/S Length / 6.563in O/S Width / 1.063in Height
$68.99
K&N
K&N 05 WRX / 99-06 Impreza / 99-04 Legacy Drop In Air Filter
$68.99
aFe
aFe MagnumFLOW Air Filters OER P5R A/F P5R Nissan Cars 90-11 V6 Trucks 90-10
$71.00
Spectre
Spectre 13-18 Nissan Pathfinder 3.5L V6 F/I Replacement Air Filter
$36.99
Mahle OE
Mahle OE 71-08 BMW 4.8L Fuel Filter
$16.05
Fuel Injectors
(7)companion
Fel-Pro
Fel-Pro 13-14 Subaru WRX/13-21 WRX STI/00-12 Outback Fuel Injector O-Ring Kit
$5.91
Fel-Pro
Fel-Pro Subaru Outback ES 73035 Fuel Injector O-Ring Kit
$24.50
Fel-Pro
Fel-Pro 15-17 Ford F-150/07-12 Mustang Fuel Injector O-Ring Kit
$3.48
Fel-Pro
Fel-Pro Subaru Outback ES 73203 Fuel Injector O-Ring Kit
$7.90
Radium Engineering
Radium Engineering Top Feed Upgrade Subaru EJ22/EJ251
$218.45
Fel-Pro
Fel-Pro Toyota Camry Fuel Injector O-Ring Kit
$4.66
Weapon R
Weapon R 90+ Subaru (1.8-2.5L) / 86-05 Nissan (1.5-2.0L) / 86-05 Mazda (1.6-3.0L) Fuel Rail Adapter
$22.50
Fluids & Additives
(112)consumable
Royal Purple
Royal Purple Premium Synthetic High Performance Straight-Grade SAE 30 Motor Oil - 1 Quart
$65.50
Liqui Moly
Liqui-Moly Synthoil Race Tech GT1 10W-60 Motor Oil - Size:1 Liter
$16.95
Royal Purple
Royal Purple Synthetic High Performance 5W30 Motor Oil (Canada) - 1 Quart
$59.94
Royal Purple
Royal Purple HPS Synthetic High Performance Street 10W30 Motor Oil - 1 Quart
$59.94
aFe
aFe Pro GUARD D2 Oil Filter 13-17 Scion FR-S / Subaru BRZ H4-2.0L (4 Pack)
$60.13
LIQUI MOLY
LIQUI MOLY 20L Special Tec B FE Motor Oil SAE 0W30
$203.30
Royal Purple
Royal Purple HMX Premium Synthetic High Mileage 5W30 Motor Oil - 5 Quart
$130.33
LIQUI MOLY
LIQUI MOLY 20L Top Tec 4200 New Generation Motor Oil SAE 5W30
$239.71
Tune-Up for Other Subaru Outback Years
Other Jobs for Your 2003 Subaru Outback
Frequently Asked Questions
What parts do I need for a tune-up on my 2003 Subaru Outback?
A complete tune-up on the 2003 Subaru Outback 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 2003 Subaru Outback?
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 2003 Subaru Outback?
Yes, all parts on this page are verified to fit the 2003 Subaru Outback 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 2003 Subaru Outback?
We carry tune-up parts from trusted brands including Spectre, aFe, K&N, Mahle OE, and Fel-Pro. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2003 Subaru Outback?
The cost of a tune-up for the 2003 Subaru Outback 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.