2003 Hummer H1 Tune-Up Parts
80 parts verified to fit your 2003 Hummer H1 for a complete tune-up. This is an easy DIY project — estimated 1-2 hours.
Air Filters
(2)primary
Fuel Injectors
(8)companion
Bosch
Bosch Nozzle Holder Assy
$59.85
Fel-Pro
Fel-Pro 93-04 Jeep Grand Cherokee/75-94 Chevrolet C10 Fuel Pump Mounting Gasket
$1.94
Fel-Pro
Fel-Pro Chevrolet K1500 Fuel Pump Mounting Gasket
$1.29
Fel-Pro
Fel-Pro Chevrolet K2500 70150 Fuel Pump Mounting Gasket
$1.59
Motorad
Fuel Cap Tester Adapter
$9.33
Standard Motor Products
FUEL INJECTOR
$62.92
US Motor Works
FUEL PUMP KIT
$38.82
Spectra Premium
Fuel Tank Strap
$37.14
Fluids & Additives
(8)consumable
ATP
ATP Automatic Transmission Oil Pump Seal
$10.46
Bosch
Bosch Oil Filter
$7.38
Sealed Power
Engine Oil Pump
$120.45
K&N
K&N Oil Filter Automotive 02-04 Hummer H1 6.5L
$10.99
K&N
K&N Oil Filter OIL FILTER; AUTOMOTIVE
$17.99
LIQUI MOLY
LIQUI MOLY 1L Fully Synthetic Hypoid Gear Oil (GL4/5) 75W90
$127.77
LIQUI MOLY
LIQUI MOLY 1L Fully Synthetic Hypoid Gear Oil (GL5) LS SAE 75W140
$204.10
LIQUI MOLY
LIQUI MOLY 1L Top Tec ATF 1100
$63.51
Tune-Up for Other Hummer H1 Years
Other Jobs for Your 2003 Hummer H1
Frequently Asked Questions
What parts do I need for a tune-up on my 2003 Hummer H1?
A complete tune-up on the 2003 Hummer H1 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 2003 Hummer H1?
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 Hummer H1?
Yes, all parts on this page are verified to fit the 2003 Hummer H1 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 2003 Hummer H1?
We carry tune-up parts from trusted brands including aFe, WIX, Bosch, Fel-Pro, and Motorad. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2003 Hummer H1?
The cost of a tune-up for the 2003 Hummer H1 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.