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Vehicle Set: Click here to shop All Hummer H3 parts.

Hummer H3 Performance Parts

Looking for aftermarket parts to modify or upgrade your Hummer H3? At Tunersports.com we carry a huge selection of the top name brand performance parts and accessories for your H3.

Whether you have a 2006 or 2010 Hummer H3 in Adventure to X trim we have you covered. From air filters to wheel and tire accessories we have 698 available parts to mod your H3, all with free shipping to the Continental US 48 States.

All H3 Parts:

Recently Added Hummer H3 Aftermarket Parts:

IN STOCK - LOW
DeatschWerks 550cc Injector Sets -8 Cyl 16U-LS-0550-8
DeatschWerks LS 550cc Injector Kit - Set of 8
$599.00 SALE
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IN STOCK
DeatschWerks 1000cc Injector Sets -8 Cyl 16U-LS-1000-8
DeatschWerks LS 1000cc Injector Kit - Set of 8
$799.00 SALE
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DeatschWerks Fuel Rails 7-206
IN STOCK - LOW
DeatschWerks Fuel Rails 7-206
Deatschwerks GM Truck Gen 3 and 4 LS Fuel Rails
$199.00 SALE
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Mishimoto Ignition Coil MMIG-LSRD-07
IN STOCK - LOW
Mishimoto Ignition Coil MMIG-LSRD-07
Mishimoto 2007+ GM LS Round Style Engine Ignition Coil
$69.92 SALE
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Mishimoto Ignition Coil MMIG-LSRD-0708
IN STOCK - LOW
Mishimoto Ignition Coil MMIG-LSRD-0708
Mishimoto 2007+ GM LS Round Style Engine Ignition Coil Set
$356.95 SALE
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EGR Hood Shld - Sprguard 301311
IN STOCK
EGR Hood Shld - Sprguard 301311
EGR 06+ Hummer H3 Superguard Hood Shield (301311)
$79.79
Cometic Gasket Head Gaskets C15514-051
IN STOCK - LOW
Cometic Gasket Head Gaskets C15514-051
Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in MLS Cylinder Head Gasket 4.070in Bore
$99.40
Rancho RS5000X Shocks RS55308
IN STOCK
Rancho RS5000X Shocks RS55308
Rancho 06-10 Hummer H3 Rear RS5000X Shock
$81.27
Rancho RS9000XL RS999310
IN STOCK - LOW
Rancho RS9000XL RS999310
Rancho 06-10 Hummer H3 Rear RS9000XL Shock
$125.12
Rancho RS9000XL RS999307
IN STOCK
Rancho RS9000XL RS999307
Rancho 06-10 Hummer H3 Front RS9000XL Shock
$125.12

Popular Hummer H3 Aftermarket Parts:

Bilstein B8 5100 Series Shocks 24-186643
IN STOCK
Bilstein B8 5100 Series Shocks 24-186643
Bilstein 5100 Series 2000 Chevrolet Tahoe LT Front 46mm Monotube Shock Absorber
$115.02 SALE
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FOX 2.0 Perf Shock 985-02-009
IN STOCK
FOX 2.0 Perf Shock 985-02-009
Fox 99-06 Chevy 1500 2.0 Performance Series 4.6in. Smooth Body IFP Front Shock (Alum) / 0-2in. Lift
$219.95
Bilstein B8 5100 Series Shocks 24-185615
IN STOCK
Bilstein B8 5100 Series Shocks 24-185615
Bilstein 5100 Series 1995 Chevrolet Tahoe Base 4WD Sport Utility Rear 46mm Monotube Shock Absorber
$149.00 SALE
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Bilstein B6 4600 Series Shocks 24-187091
IN STOCK
Bilstein B6 4600 Series Shocks 24-187091
Bilstein 4600 Series 06-10 Hummer H3/09-10 H3T 46mm Monotube Shock Absorber
$97.20 SALE
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IN STOCK
Clevite Main Bearing Set MS2199H
Clevite Chevrolet V8 293-325-346-364 1997-07 Main Bearing Set
$165.61
FOX 2.0 Perf Shock 985-24-048
IN STOCK
FOX 2.0 Perf Shock 985-24-048
Fox 06-10 Hummer H3 2.0 Performance Series 9.1in. Smooth Body IFP Rear Shock (Alum) / 0-1in. Lift
$219.95
Cometic Gasket Head Gaskets C5489-040
IN STOCK
Cometic Gasket Head Gaskets C5489-040
Cometic GM LS1 SB 4.100in Bore .040in MLS-5 Head Gasket
$99.40
Banks Power Pedal Monster Kits 64330
IN STOCK
Banks Power Pedal Monster Kits 64330
Banks Power Pedal Monster Kit (Stand-Alone) - TE Connectivity MT2 - 6 Way - Use w/Phone
$295.00
Edelbrock Spark Plug Wires 22716
IN STOCK
Edelbrock Spark Plug Wires 22716
Edelbrock Spark Plug Wire Set LS Truck w/ Metal Sleeves 99-15 50 Ohm Resistance Red Wire (Set of 8)
$103.58
Cometic Gasket Head Gaskets C5475-040
IN STOCK
Cometic Gasket Head Gaskets C5475-040
Cometic GM LS1 SB 3.910 inch Bore .040 inch MLS Headgasket
$99.40