HUMMER H3 - Free Shipping on Orders Over $109 at Summit Racing

Motive Gear Performance Ring and Pinion Sets G975390 GM 7.5/7.625 in. 3.90 Gears

Ring and Pinion Gears, Pro Series, 3.90:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-G975390

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2004-2006 CANYON, COLORADO, 2006-2007 H3 - 16481

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Chevrolet, GMC, Hummer, Each

Part Number: WLK-16481

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

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AP Exhaust Direct-Fit Catalytic Converters 642196

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Estimated Ship Date: Apr 8, 2026

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Motive Gear Performance Ring and Pinion Sets G885308 GM 8.5/8.6 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Allstar Performance Ring and Pinion Gear Sets ALL70120 GM 8.5/8.6 in. 3.08 Gears

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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SPEC Stage 3 Plus Clutch Kits for 2004-2007 COLORADO, 2006-2010 H3 - SC943F

Clutch Kit, Chevy Stage 3+ Clutch

Part Number: SXC-SC943F

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Carrier Bearing Pullers YT P20

Axle Carrier Bearing Puller, Kit

Part Number: YGA-56034

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

ATP Automotive Exhaust Manifolds 101428

Exhaust Manifold with Integrated Catalytic Converter

Part Number: ATP-101428

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 674-989

Catalytic Converter, Direct Fit, Aluminized Steel, Ceramic, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: RNB-674-989

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM8.0-373 GM 8.0 in. 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, GM 8.0 in., Set

Part Number: YGA-24203

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM7.5-411 GM 7.5/7.6 in. 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, GM 7.50 in./7.625 in., Set

Part Number: YGA-24147

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2023 GM 8.6 in. 4.11 Gears

Ring and Pinion Gears,USA Standard 8.6" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10734

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers for 2006-2010 H3, 2009-2010 H3T - KC3035-36

Disc Brake Kits, Z36 Truck and Tow Performance Brake Kits with Calipers, Front, Cross-drilled/Slotted Rotors, 4-piston Red Calipers, Hummer, Kit

Part Number: PWR-KC3035-36

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Estimated Ship Date: Today

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KMC KM446 Mesa Forged Monoblock Satin Black Wheels 18x9

Wheels, KM446 Mesa, Satin Black, 18 in. x 9.0 in., Forged Monoblock Aluminum, 6 x 5.5 in. Bolt Circle, 4.53 in. Backspace, -12.00 Offset, Each

Part Number: KMC-S1852

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Estimated Ship Date: Today

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KMC KM446 Mesa Forged Monoblock Satin Black Wheels 18x9

Wheels, KM446 Mesa, Satin Black, 18 in. x 9.0 in., Forged Monoblock Aluminum, 6 x 5.5 in. Bolt Circle, 5.00 in. Backspacing, 0.00 Offset, Each

Part Number: KMC-S1607

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Estimated Ship Date: Today

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KMC KM447 Impact Forged Monoblock Satin Black Wheels 18x9

Wheels, KM447 Impact, Satin Black, 18 in. x 9.0 in., Forged Monoblock Aluminum, 6 x 5.5 in. Bolt Circle, 4.53 in. Backspace, -12.00 Offset, Each

Part Number: KMC-S1861

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Fuel Off-Road Maverick D536 Series Chrome Wheels 18x9

Wheel, Maverick D536, Aluminum, Chrome, 18 in. x 9.0 in., 6 x 5.50 in./135mm Bolt Circle, 5.75 in. Backspace

Part Number: FLW-D53618909857

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Estimated Ship Date: Today

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Motive Gear Performance Ring and Pinion Sets G885513 GM 8.5/8.6 in. 5.13 Gears

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Walker Direct-Fit Catalytic Converters 84725

CalCat CARB Catalytic Converter

Part Number: WLK-84725

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Granatelli Motor Sports Pro Series Xtreme Coil Packs 28-1680CP

Granatelli Motor Sports Pro Series Xtreme Coil Packs 28-1680CP

Ignition Coils, Pro Series Xtreme Coil Packs, 80,000 V, Socket, Epoxy, Round, Black, Cadillac, Chevy, GMC, Hummer, Saab, Small Block LS, Set of 8

Part Number: GRN-28-1680CP

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Rhodes Race Cars Competition Roll Cages for 2006 H3 - 13-0142-CM

06 Hummer H3, 6 Point Roll Bar, 1-3/4" X .083" Wall, Chromoly Tubing

Part Number: RHC-13-0142-CM

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Rhodes Race Cars Competition Roll Cages for 2006 H3 - 13-0242-DOM

06 Hummer H3, 8 Point Roll Bar, 1-3/4" X .120" Wall, Dom Tubing

Part Number: RHC-13-0242-DOM

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Rhodes Race Cars Competition Roll Cages for 2006 H3 - 13-0042-CM

06 Hummer H3, 4 Point Roll Bar, 1-3/4" X .083" Wall, Chromoly Tubing

Part Number: RHC-13-0042-CM

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

KMC KM447 Impact Forged Monoblock Satin Black Wheels 18x9

Wheels, KM447 Impact, Satin Black, 18 in. x 9.0 in., Forged Monoblock Aluminum, 6 x 5.5 in. Bolt Circle, 5.00 in. Backspacing, 0.00 Offset, Each

Part Number: KMC-S1622

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

KMC KM549 GRS Silver Machined Wheels with Satin Black Lip 18x9

Wheels, KM549 GRS Series, Machined Silver Wheels with Black Gloss Lip, 18 in. x 9 in, Aluminum, 6 x 5.5 in. Bolt Circle, 5.71 in. Backspacing, Each

Part Number: KMC-54989068518

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

KMC KM447 Impact Forged Monoblock Raw Machined Wheels 18x9

Wheels, KM447 Impact, Raw Machined, 18 in. x 9.0 in., Forged Monoblock Aluminum, 6 x 5.5 in. Bolt Circle, 4.53 in. Backspace, -12.00 Offset, Each

Part Number: KMC-S1855

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

KMC KM446 Mesa Forged Monoblock Raw Machined Wheels 18x9

Wheels, KM446 Mesa, Raw Machined, 18 in. x 9.0 in., Forged Monoblock Aluminum, 6 x 5.5 in. Bolt Circle, 5.00 in. Backspacing, 0.00 Offset, Each

Part Number: KMC-S1599

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

HUMMER H3 Parts and Accessories