2021 Chevrolet Blazer Tune-Up Parts
110 parts listed for your 2021 Chevrolet Blazer for a complete tune-up. Choose your trim on product pages to confirm exact fit. This is an easy DIY project - estimated 1-2 hours.
Air Filters
(14)primaryaFe
aFe 17-23 GMC Acadia V6 3.6L / 17-24 Cadillac XT5 V6 3.6L Magnum FLOW Pro DRY S Air Filter
$82.84
aFe
aFe MagnumFLOW OE Air Filter Pro 5R 17-21 GM Compact SUVs L4-2.0L(t) / L4-2.5L / V6-3.6L
$78.23

Hengst
Air filter insert
$25.54


Baldwin Filters
Cabin Air Element
$23.88

Hengst
Carbon Activated Cabin Air Filter
$20.03

Pronto
Engine Air Filter
$21.09


GPD
gpd Cabin Air Filter 1211405
$18.03

K&N
K&N 2017 Cadillac XT5 3.6L V6 F/I Drop In Air Filter
$68.99
Fuel Injectors
(17)companion

Bosch
Bosch High Pressure Direct Gasoline Injector
$71.33


Delphi
Direct Injection High Pressure Fuel Pump
$335.38


Delphi
Direct Injection High Pressure Fuel Pump
$279.55


Standard Motor Products
Direct Injection High Pressure Fuel Pump
$263.83


Standard Motor Products
DIRECT INJECTION HIGH PRESSURE FUEL PUMP
$260.95

Fel-Pro
Fel-Pro Chevrolet Malibu ES 73819 Fuel Injector O-Ring Kit
$11.64


Standard Motor Products
Fuel Injector - GDI - New
$146.87


Standard Motor Products
Fuel Injector - GDI - New
$132.33
Fluids & Additives
(79)consumable

Dorman
4-Piece Oil Drain Plug Removal Kit
$26.99
aFe
aFe ProGuard D2 Fluid Filters Oil F/F OIL Ford F-150 15-17 V6-3.5L (TT)
$16.38
aFe
aFe ProGuard HD Oil Filter; 19-20 GM Silverado 1500; L4 2.7L - 4 Pack
$72.93
aFe
aFe ProGuard HD Oil Filter; 19-20 GM Silverado 1500; L4 2.7L - Single
$29.18
aFe
aFe PROGUARD Oil Filter- 4 Pack
$72.93


Dorman
Engine Oil Dipstick - Metal
$15.88

Motorad
Engine Oil Filler Cap
$17.95


Dorman
Engine Oil Pressure Sensor
$29.59
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. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.
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?
These parts are listed for the 2021 Chevrolet Blazer using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.
What brands make tune-up parts for the 2021 Chevrolet Blazer?
We carry tune-up parts from trusted brands including aFe, Hengst, Baldwin Filters, Pronto, and GPD. 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.
