2003 Subaru Baja Tune-Up Parts
166 parts listed for your 2003 Subaru Baja for a complete tune-up. Choose your trim on product pages to confirm exact fit. This is an easy DIY project - estimated 1-2 hours.
Air Filters
(9)primary
Denso
Part # 143-3198
Air Filter
- Type
- Engine
$20.01
Beck Arnley
Part # 042-1625
AIR FILTER
- Type
- Engine
$22.16
Denso
Part # 453-6043
Cabin Air Filter
- Type
- Engine
$17.54
Pronto
Part # PA5353
Engine Air Filter
- Type
- Engine
$11.80
Dorman
Part # 696-734
Engine Air Intake Hose
- Type
- Engine
$31.40
K&N
Part # 33-2154
K&N 05 WRX / 99-06 Impreza / 99-04 Legacy Drop In Air Filter
- Type
- Engine
$76.47
Baldwin Filters
Part # PA4128
Panel Air Element
- Type
- Engine
- Style
- Panel
$13.40
WIX
Part # 42728
WIX Air Filter Panel
- Type
- Engine
- Style
- Panel
$22.51
Fuel Injectors
(23)companion
Autobest
Part # F1529
Autobest F1529 In Tank Electric Fuel Pump
$31.37
Autobest
Part # F4230
Autobest F4230 In Tank Electric Fuel Pump
$19.72
Autobest
Part # F4507A
Autobest F4507A Fuel Pump Module Assembly
$137.02
US Motor Works
Part # USEP8229
ELEC FUEL PUMP
$43.33
Delphi
Part # PN2005
Electric Fuel Pump
$59.60
Denso
Part # 951-0007
Electric Fuel Pump
$119.65
GMB
Part # 520-1021
Electric Fuel Pump
$73.25
Delphi
Part # FE0150
Electric Fuel Pump
$149.22
Fluids & Additives
(134)consumable
aFe
Part # 44-LF017-MB
aFe Pro GUARD D2 Oil Filter 02-17 Nissan Cars L4/ 04-17 Subaru Cars H4 (4 Pack)
$67.61
aFe
Part # 44-LF018-MB
aFe Pro GUARD D2 Oil Filter 13-17 Scion FR-S / Subaru BRZ H4-2.0L (4 Pack)
$67.61
aFe
Part # 44-LF017
aFe ProGuard D2 Fluid Filters Fuel F/F Oil; Nissan Cars 03-13; Subaru Cars H4 04-13
$20.38
aFe
Part # 44-LF018
aFe ProGuard D2 Oil Filter Scion FR-S/Subaru BRZ
$20.86
Bosch
Part # 3974
Bosch Oil Filter
$16.83
DJ Rock
Part # OP706
Engine Cylinder Block Lubricating Oil Pump Assembly
$172.66
Hayden
Part # 293
Engine Oil Cooler Metal Line Kit
$48.06
Hayden
Part # 112
Engine Oil Cooler Replacement Hose
$36.34
Tune-Up for Other Subaru Baja Years
Other Jobs for Your 2003 Subaru Baja
Frequently Asked Questions
What parts do I need for a tune-up on my 2003 Subaru Baja?
A complete tune-up on the 2003 Subaru Baja typically requires air filters, fuel injectors, fluids & additives. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.
How long does a tune-up take on a 2003 Subaru Baja?
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 Baja?
These parts are listed for the 2003 Subaru Baja using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.
What brands make tune-up parts for the 2003 Subaru Baja?
We carry tune-up parts from trusted brands including Denso, Beck Arnley, Pronto, Dorman, and K&N. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2003 Subaru Baja?
The cost of a tune-up for the 2003 Subaru Baja 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.