2003 Chevrolet Trailblazer Tune-Up Parts
147 parts listed for your 2003 Chevrolet Trailblazer 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
(10)primary
aFe
aFe MagnumFLOW Air Filters OER P5R A/F P5R Chevrolet Trailblazer/GMC Envoy 02-09
$93.90
aFe
aFe MagnumFLOW Air Filters OER PDS A/F PDS Chevrolet Trailblazer/GMC Envoy 02-09
$99.43
Bosch
Bosch Air Filter
$9.42
Pronto
Engine Air Filter
$12.00
Fel-Pro
Fel-Pro Chevrolet Silverado 1500 Engine Oil Filler Cap Seal
$3.44
K&N
K&N Cellulose Media Fuel Filter 2.125in OD x 4.281in L
$19.99
K&N
K&N Chevy Trailblazer Drop In Air Filter
$88.60
K&N
K&N Filter 3 inch Flange 6 inch Base 5 Top 6 1/2 inch Height
$78.99
Fuel Injectors
(32)companion
Autobest
Autobest F2550A Fuel Pump Module Assembly
$88.54
Bosch
Bosch Fuel Pump Module Assembly
$221.90
US Motor Works
ELEC FUEL PUMP
$99.67
Fel-Pro
Fel-Pro 15-17 Ford F-150/07-12 Mustang Fuel Injector O-Ring Kit
$3.33
Fel-Pro
Fel-Pro Chevrolet Silverado 1500 Fuel Injector O-Ring Kit
$5.45
Motorad
Fuel Cap Tester Adapter
$13.47
Spectra Premium
Fuel Filler Hose
$28.17
Spectra Premium
Fuel Filler Neck
$153.42
Fluids & Additives
(105)consumable
aFe
aFe Pro GUARD D2 Oil Filter 03-06 GM Trucks V8 4.8L/5.3L/6.0L (4 Pack)
$72.93
aFe
aFe Pro GUARD D2 Oil Filter 99-05 GM Gas Trucks V8 4.8L/5.3L/6.0L (4 Pack)
$72.93
aFe
aFe ProGuard D2 Fluid Filters Oil F/F OIL GM Trucks 03-06 V8-4.8L/5.3L/6.0L
$16.38
aFe
aFe ProGuard D2 Fluid Filters Oil F/F OIL GM Trucks 99-05 V8-4.8L/5.3L/6.0L
$29.18
ATP
ATP Automatic Transmission Oil Pump Seal
$10.45
Skyward Automotive
Automatic Transmission Oil Cooler
$91.87
Sunsong
Automatic Transmission Oil Cooler Hose Asm
$13.77
Sunsong
Automatic Transmission Oil Cooler Hose Asm
$19.90
Tune-Up for Other Chevrolet Trailblazer Years
Other Jobs for Your 2003 Chevrolet Trailblazer
Frequently Asked Questions
What parts do I need for a tune-up on my 2003 Chevrolet Trailblazer?
A complete tune-up on the 2003 Chevrolet Trailblazer 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 2003 Chevrolet Trailblazer?
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 Chevrolet Trailblazer?
These parts are listed for the 2003 Chevrolet Trailblazer 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 2003 Chevrolet Trailblazer?
We carry tune-up parts from trusted brands including aFe, Bosch, Pronto, Fel-Pro, and K&N. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2003 Chevrolet Trailblazer?
The cost of a tune-up for the 2003 Chevrolet Trailblazer 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.