2003 INFINITI Q45 Tune-Up Parts
134 parts verified to fit your 2003 INFINITI Q45 for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(8)primaryaFe
aFe Various Chrysler/ Dodge/ Infiniti/ Nissan/ RAM 02-22 Cabin Air Filter
$23.55


ATP
ATP Carbon Activated Premium Cabin Air Filter
$21.68


ATP
ATP Replacement Cabin Air Filter
$10.60

Denso
Cabin Air Filter
$10.94

Beck Arnley
CABIN AIR FILTER
$18.55

Pronto
Engine Air Filter
$10.95

Hengst
Pollen Cabin Air Filter
$13.92


Bosch
Premium Cabin Air Filter
$18.64
Fuel Injectors
(8)companion
Fel-Pro
Fel-Pro 15-17 Ford F-150/07-12 Mustang Fuel Injector O-Ring Kit
$3.33

Vernet
Fuel Cap
$9.18

Motorad
Fuel Cap Tester Adapter
$13.47

Beck Arnley
FUEL INJ O-RING KIT
$2.26

Skyward Automotive
Fuel Injector
$29.59


Standard Motor Products
Fuel Injector - MFI - New
$82.55

Hitachi
FUEL INJECTOR (GREEN)
$71.71


Standard Motor Products
Fuel Injector Connector
$3.90
Fluids & Additives
(8)consumableaFe
aFe Pro GUARD D2 Oil Filter 99-14 Nissan Trucks / 01-15 Honda Cars (4 Pack)
$60.13
aFe
aFe ProGuard D2 Fluid Filters Fuel F/F Oil; Nissan Trucks 99-14; Honda Cars 01-14
$16.38


Bosch
Bosch Oil Filter
$6.55


Bosch
Bosch Oil Filter
$8.17


Gates
Engine Oil Filler Cap
$12.64

Denso
Engine Oil Filter
$7.47

Hengst
Engine Oil Filter
$5.59

Rostra
Engine Oil Pressure Switch
$8.67
Tune-Up for Other INFINITI Q45 Years
Other Jobs for Your 2003 INFINITI Q45
Frequently Asked Questions
What parts do I need for a tune-up on my 2003 INFINITI Q45?
A complete tune-up on the 2003 INFINITI Q45 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 INFINITI Q45?
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 INFINITI Q45?
Yes, all parts on this page are verified to fit the 2003 INFINITI Q45 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 INFINITI Q45?
We carry tune-up parts from trusted brands including aFe, ATP, Denso, Beck Arnley, and Pronto. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2003 INFINITI Q45?
The cost of a tune-up for the 2003 INFINITI Q45 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.
