2021 Toyota 4Runner Tune-Up Parts
55 parts verified to fit your 2021 Toyota 4Runner for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(6)primary
aFe
aFe MagnumFLOW Air Filters OER PDS A/F PDS Toyota 4Runner/FJ Cruiser 10-11 V6-4.0L
$76.00
AEM Induction
AEM 10-19 Toyota 4 Runner V6-4.0L F/I DryFlow Filter
$62.99
aFe
aFe MagnumFLOW Air Filters OER P5R A/F P5R Toyota 4Runner/FJ Cruiser 10-12 V6-4.0L
$71.00
aFe
aFe 14-22 Land Rover / 10-19 Subaru / 04-22 Lexus & Toyota Carbon Cabin Air Filter
$23.55
K&N
K&N Toyota Cabin Air Filter
$47.99
K&N
K&N 10 Toyota 4 Runner 4.0L V6 / 2010 FJ Cruiser 4.0L-V6 Drop In Air Filter
$68.99
Fuel Injectors
(1)companion
Fluids & Additives
(48)consumable
Royal Purple
Royal Purple HPS Synthetic High Performance Street 5W20 Motor Oil - 1 Quart
$59.94
Royal Purple
Royal Purple Max Gear Synthetic 75W90 Gear Oil - 1 Quart
$107.94
Royal Purple
Royal Purple Premium Synthetic High Performance Multi-Grade 5W20 Motor Oil - 1 Quart
$59.94
Royal Purple
Royal Purple HMX Premium Synthetic High Mileage 5W20 Motor Oil - 5 Quart
$130.33
LIQUI MOLY
LIQUI MOLY 1L Molygen New Generation Motor Oil SAE 0W20
$73.80
LIQUI MOLY
LIQUI MOLY 500mL Brake Fluid DOT 4
$151.91
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
Tune-Up for Other Toyota 4Runner Years
Other Jobs for Your 2021 Toyota 4Runner
Frequently Asked Questions
What parts do I need for a tune-up on my 2021 Toyota 4Runner?
A complete tune-up on the 2021 Toyota 4Runner 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 2021 Toyota 4Runner?
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 2021 Toyota 4Runner?
Yes, all parts on this page are verified to fit the 2021 Toyota 4Runner 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 2021 Toyota 4Runner?
We carry tune-up parts from trusted brands including aFe, AEM Induction, K&N, Victor Reinz, and Royal Purple. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2021 Toyota 4Runner?
The cost of a tune-up for the 2021 Toyota 4Runner 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.