2003 Honda Civic Tune-Up Parts
98 parts verified to fit your 2003 Honda Civic for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(8)primary
K&N
K&N Filter Universal Rubber Filter 2 3/4 inch Flange 6 inch Base 5 inch Top 6 1/2 inch Height
$68.99
K&N
K&N 01-05 Honda Civic Cabin Air Filter
$83.99
Fel-Pro
Fel-Pro Honda CR-V 72377 Engine Crankshaft Position Sensor Seal
$2.94
K&N
K&N 01-05 Honda Civic 1.7L L4 Drop In Air Filter
$68.99
K&N
K&N Round Tapered Universal Air Filter 4 inch Flange 5 3/8 inch Base 4 inch Top 7 inch Height
$209.99
aFe
aFe MagnumFLOW Air Filters OER PDS A/F PDS Acura RSX 02-06 Honda Civic SI 03-05
$94.00
K&N
K&N 02 Acura RSX include Type S 2.0L-L4 Drop In Air Filter
$83.99
aFe
aFe MagnumFLOW Air Filters OER P5R A/F P5R Acura RSX 02-06 Honda Civic SI 03-05
$88.00
Fuel Injectors
(30)companion
DeatschWerks
DeatschWerks 01-05 Honda Civic/02-06 Acura RSX DW400 Pump Module & Return Kit w/CPE Fuel Lines
$1049.00
DeatschWerks
DeatschWerks 01-05 Honda Civic/02-06 Acura RSX DW400 Pump Module
$539.00
Grams Performance
Grams Performance 1000cc Evo X INJECTOR KIT
$479.14
DeatschWerks
DeatschWerks 02-06 Acura RSX / 01-05 Honda Civic / Mazda MX5 06-15 DW430C 430lph Compact Fuel Pump
$219.00
DeatschWerks
DeatschWerks 06-09 Honda S2000 F22 / 02-11 Civic Si K20 Bosch EV14 1500cc Injectors (Set of 4)
$879.62
DeatschWerks
DeatschWerks 02-15 Honda Civic Si K20/K24 650cc Injectors - Set of 4
$398.34
DeatschWerks
DeatschWerks Honda K-Series Fuel Rails
$159.00
DeatschWerks
DeatschWerks 340lph DW300C Compact Fuel Pump w/ 02-06 RSX Set Up Kit (w/o Mounting Clips)
$189.00
Fluids & Additives
(60)consumable
Motul
Motul 5L Specific 948B 5W20 Oil
$230.55
LIQUI MOLY
LIQUI MOLY 5L Molygen New Generation Motor Oil SAE 5W20
$197.86
LIQUI MOLY
LIQUI MOLY 1L Top Tec ATF 1800
$61.73
Royal Purple
Royal Purple Premium Synthetic High Performance Euro Formula 0W20 Motor Oil - 6 Gallon Bag-In-Box
$207.73
Royal Purple
Royal Purple Premium Synthetic High Performance Multi-Grade 0W20 Motor Oil - 6 Gallon Bag-In-Box
$191.53
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 0W20
$1319.63
Tune-Up for Other Honda Civic Years
Other Jobs for Your 2003 Honda Civic
Frequently Asked Questions
What parts do I need for a tune-up on my 2003 Honda Civic?
A complete tune-up on the 2003 Honda Civic 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 Honda Civic?
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 Honda Civic?
Yes, all parts on this page are verified to fit the 2003 Honda Civic 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 Honda Civic?
We carry tune-up parts from trusted brands including K&N, Fel-Pro, aFe, DeatschWerks, and Grams Performance. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2003 Honda Civic?
The cost of a tune-up for the 2003 Honda Civic 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.