2021 Chevrolet Blazer Tune-Up Parts
48 parts verified to fit your 2021 Chevrolet Blazer for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(5)primary
K&N
K&N 2017 Cadillac XT5 3.6L V6 F/I Drop In Air Filter
$68.99
aFe
aFe MagnumFLOW OE Air Filter Pro 5R 17-21 GM Compact SUVs L4-2.0L(t) / L4-2.5L / V6-3.6L
$71.00

K&N
K&N Replacement Cabin Air Filter
$47.99
aFe
aFe 17-23 GMC Acadia V6 3.6L / 17-24 Cadillac XT5 V6 3.6L Magnum FLOW Pro DRY S Air Filter
$76.00

aFe
aFe POWER Cabin Air Filter Various Buick Cadillac Chevrolet GMC 13-24
$34.82
Fuel Injectors
(1)companionFluids & Additives
(42)consumableLIQUI MOLY
LIQUI MOLY 20L Central Hydraulic System Oil
$252.13
LIQUI MOLY
LIQUI MOLY 5L Top Tec 6600 Motor Oil SAE 0W20
$195.69
LIQUI MOLY
LIQUI MOLY 205L Molygen New Generation Motor Oil SAE 5W30
$1866.84

Royal Purple
Royal Purple Synthetic High Performance 0W20 Motor Oil (Canada) - 1 Quart
$59.94
LIQUI MOLY
LIQUI MOLY 1L Special Tec AA Motor Oil SAE 5W30
$50.23
LIQUI MOLY
LIQUI MOLY 5L Molygen New Generation Motor Oil SAE 0W20
$217.51
LIQUI MOLY
LIQUI MOLY 20L Top Tec ATF 1800
$178.84

K&N
K&N 21-25 Chevrolet Trailblazer 1.2L L3 / 17-24 Alfa Romeo Giulia 2.0L L4 Spin-On Oil Filter
$10.99
Tune-Up for Other Chevrolet Blazer Years
Other Jobs for Your 2021 Chevrolet Blazer
Frequently Asked Questions
What parts do I need for a tune-up on my 2021 Chevrolet Blazer?
A complete tune-up on the 2021 Chevrolet Blazer 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 Chevrolet Blazer?
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 Chevrolet Blazer?
Yes, all parts on this page are verified to fit the 2021 Chevrolet Blazer 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 Chevrolet Blazer?
We carry tune-up parts from trusted brands including K&N, aFe, Fel-Pro, LIQUI MOLY, and Royal Purple. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2021 Chevrolet Blazer?
The cost of a tune-up for the 2021 Chevrolet Blazer 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.

