2018 Audi S4 Tune-Up Parts
57 parts verified to fit your 2018 Audi S4 for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(12)primary
Denso
Air Filter
$32.59
Hengst
Air Filter
$20.91
Pronto
Engine Air Filter
$25.24
Corteco
Cabin Air Filter
$43.14
GPD
gpd Cabin Air Filter 1211398
$25.54
aFe
aFe MagnumFLOW Air Filters OER Pro DRY S 09-12 Audi A4 V6 3.0L / 09 A4 V6 3.2L
$94.00
Hengst
Biofunctional Cabin Air Filter
$26.22
K&N
K&N 15-18 Audi A4 L4-1.4L 18-20 A5/RS5 2021 Q5 F/I Drop In Replacement Air Filter
$83.99
Fuel Injectors
(8)companion
Bosch
ELECTRIC FUEL PUMP
$51.04
Walker Products
Walker Products 17097 Fuel Injector Seal Kit
$6.88
Delphi
Fuel Pump Module Assembly
$381.45
Delphi
Direct Injection High Pressure Fuel Pump
$622.01
Spectra Premium
Fuel Pump Tank Seal
$35.42
Standard Motor Products
Fuel Injector Seal Kit
$37.28
Delphi
Fuel Pump Module Assembly
$300.94
Victor Reinz
MAHLE Original Audi A3 08-06 Fuel Pump Gasket
$8.86
Fluids & Additives
(37)consumable
LIQUI MOLY
LIQUI MOLY 5L Top Tec ATF 1800
$188.95
Royal Purple
Royal Purple Premium Synthetic High Performance Multi-Grade 5W20 Motor Oil - 5 Quart
$127.59
Dorman
Trapped Washer Oil Drain Plug M14x1.50
$4.15
Royal Purple
Royal Purple Synthetic High Performance 5W20 Motor Oil (Canada) - 1 Quart
$59.94
Royal Purple
Royal Purple Premium Synthetic High Performance Multi-Grade 5W20 Motor Oil - 6 Gallon Bag-In-Box
$191.53
Hella
HELLA Engine Oil Pressure Switch 003259971
$13.10
LIQUI MOLY
LIQUI MOLY 1L Top Tec ATF 1800
$61.73
Pronto
EXTENDED LIFE OIL FILTER PG
$9.77
Tune-Up for Other Audi S4 Years
Other Jobs for Your 2018 Audi S4
Frequently Asked Questions
What parts do I need for a tune-up on my 2018 Audi S4?
A complete tune-up on the 2018 Audi S4 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 2018 Audi S4?
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 2018 Audi S4?
Yes, all parts on this page are verified to fit the 2018 Audi S4 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 2018 Audi S4?
We carry tune-up parts from trusted brands including Denso, Hengst, Pronto, Corteco, and GPD. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2018 Audi S4?
The cost of a tune-up for the 2018 Audi S4 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.