2003 Subaru Forester Tune-Up Parts
112 parts listed for your 2003 Subaru Forester 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
(15)primary
aFe
aFe MagnumFLOW Air Filters OER P5R A/F P5R Nissan Cars 90-11 V6 Trucks 90-10
$71.00
aFe
aFe MagnumFLOW Air Filters OER PDS A/F PDS Nissan Cars 90-11 V6 Trucks 90-10
$76.00
Denso
Air Filter
$12.05
Beck Arnley
AIR FILTER
$14.21
ATP
ATP Carbon Activated Premium Cabin Air Filter
$30.81
Denso
Cabin Air Filter
$11.00
Pronto
Engine Air Filter
$11.82
GPD
gpd Cabin Air Filter 1211309
$21.06
Fuel Injectors
(39)companion
Autobest
Autobest F304S Fuel Pump Strainer
$3.64
Autobest
Autobest F4230 In Tank Electric Fuel Pump
$19.72
Autobest
Autobest FW801 Fuel Pump Wiring Harness
$3.02
Bosch
Bosch Electric Fuel Pump, In-Tank
$87.55
DeatschWerks
DeatschWerks 02-07 WRX/STi / 93-07 Impreza / 90-07 Legacy Fuel Pump Set Up Kit
$22.00
DeatschWerks
DeatschWerks 255 LPH In-Tank Fuel Pump w/ 02-07 WRX/STi / 93-07 Impreza / 90-07 Legacy Set Up Kit
$109.00
DeatschWerks
DeatschWerks 340 LPH In-Tank Fuel Pump w/ 02-07 WRX/STi / 93-07 Impreza / 90-07 Legacy Set Up Kit
$169.00
DeatschWerks
DeatschWerks 415LPH DW400 In-Tank Fuel Pump w/ 9-1041 Install Kit 98-11 Nissan Patrol
$239.00
Fluids & Additives
(58)consumable
aFe
aFe Pro GUARD D2 Oil Filter 02-17 Nissan Cars L4/ 04-17 Subaru Cars H4 (4 Pack)
$60.13
aFe
aFe Pro GUARD D2 Oil Filter 13-17 Scion FR-S / Subaru BRZ H4-2.0L (4 Pack)
$60.13
aFe
aFe ProGuard D2 Fluid Filters Fuel F/F Oil; Nissan Cars 03-13; Subaru Cars H4 04-13
$16.38
aFe
aFe ProGuard D2 Oil Filter Scion FR-S/Subaru BRZ
$16.38
Bosch
Bosch Oil Filter
$7.86
DJ Rock
Engine Cylinder Block Lubricating Oil Pump Assembly
$164.95
Standard Motor Products
ENGINE OIL COOLER
$482.54
Hayden
Engine Oil Cooler Metal Line Kit
$48.14
Tune-Up for Other Subaru Forester Years
Other Jobs for Your 2003 Subaru Forester
Frequently Asked Questions
What parts do I need for a tune-up on my 2003 Subaru Forester?
A complete tune-up on the 2003 Subaru Forester 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 Forester?
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 Forester?
These parts are listed for the 2003 Subaru Forester 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 Forester?
We carry tune-up parts from trusted brands including aFe, Denso, Beck Arnley, ATP, and Pronto. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2003 Subaru Forester?
The cost of a tune-up for the 2003 Subaru Forester 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.