2003 INFINITI M45 Tune-Up Parts
138 parts verified to fit your 2003 INFINITI M45 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

Bosch
Bosch Fuel Pump Module Assembly
$276.28


Bosch
Bosch Fuel Pump Module Assembly
$164.06


Bosch
ELECTRIC FUEL PUMP
$51.04

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
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


CSF
Automatic Transmission Oil Cooler
$72.86


Bosch
Bosch Oil Filter
$6.55


Bosch
Bosch Oil Filter
$8.17

Nissens
Engine Oil Cooler
$132.42


Gates
Engine Oil Filler Cap
$12.64

Denso
Engine Oil Filter
$7.47
Tune-Up for Other INFINITI M45 Years
Other Jobs for Your 2003 INFINITI M45
Frequently Asked Questions
What parts do I need for a tune-up on my 2003 INFINITI M45?
A complete tune-up on the 2003 INFINITI M45 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 M45?
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 M45?
Yes, all parts on this page are verified to fit the 2003 INFINITI M45 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 M45?
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 M45?
The cost of a tune-up for the 2003 INFINITI M45 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.
