HUMMER H3 Parts and Accessories

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Converter with Integrated Exhaust Manifold, Chevy, GMC, Hummer, Isuzu, 3.5L, Each

Part Number: APH-642196

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential, Grip LS Traction System, 30-Spline, GM, 8.5 in., Each

Part Number: PWT-LS201030

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Winch, SEC 12,000, 12 V, 12,000 lb., Hawse Fairlead, Power In/Out, 3/8 in. x 92 ft. Synthetic Cable, 12 ft. Remote, Kit

Part Number: MMK-76-53251BW

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Wheel, MR203 Forged, 18 in. x 9 in., 6 x 5.50 in. Bolt Pattern, Forged Aluminum, Polished, +12.00mm Offset, 106.25mm Center Bore, Each

Part Number: MTH-S2944

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: YGA-10427

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Direct Fit, Integrated Manifold, Stainless Steel, 23.00 in. Length, Hummer, Each

Part Number: CTO-1524

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust Manifold, Catalytic Converter, Driver Side, Cast Iron, Natural, Chevy, GMC, Hummer, 3.5L, Each

Part Number: RNB-674-703

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

06 Hummer H3, Lemons And Chumps Roll Cage, 1-5/8" X .083" Wall, Chromoly Tubing

Part Number: RHC-13-0542-CM

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Freight Charge
• Special Order

Roll Bars, Competition, 06 HUMMER H3, SCCA NASA Drift Roll Cage, 1-5/8" X .120" wall

Part Number: RHC-13-0442-DOM

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Freight Charge
• Special Order

KIT ENGINE CAMSHAFT/SPRING

Part Number: MEL-CK-22326DT

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Direct Fit, Stainless Steel Case, Chevy, GMC, Hummer, 5.3L, Each

Part Number: CTO-9550

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ignition System Combo Kit, Ignition Coils, Coil Pack Style, Blue Spark Plug Wires, 8mm, Buick, Cadillac, Chevrolet, GMC, Hummer, Small Block LS, Kit

Part Number: GRN-28-1680KIT

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Rear Position, 42.250 in. Overall Length, Isuzu, 3.7L, Each

Part Number: MPE-5491966

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

• Drop Ship
• Free Shipping
• $10 Summit Bucks
• Special Order

Catalytic Converters, Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Chevy, GMC, Hummer, Isuzu, Each

Part Number: CTO-4487

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 5 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20934-05

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, Chevy, LS, Kit

Part Number: NEX-20934-00

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 5 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20933-05

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

06 Hummer H3, 10 Point Roll Cage, 1-5/8" X .083" Wall, Chromoly Tubing

Part Number: RHC-13-0342-CM

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Freight Charge
• Special Order

Disc Brake Kits, Z23 Evolution Sport Brake Upgrade Kits with Calipers, Front and Rear, Cross-drilled/Slotted Rotors, Red Calipers, Hummer, Kit

Part Number: PWR-KC2820

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

• Drop Ship
• Special Order

Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 16.000 in. Overall Length, Each

Part Number: MPE-5592306

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

• Drop Ship
• Free Shipping
• $10 Summit Bucks
• Special Order

06 Hummer H3, SCCA Nasa Drift Roll Cage, 1-5/8" X .083" Wall, Chromoly Tubing

Part Number: RHC-13-0442-CM

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Freight Charge
• Special Order

Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, Pontiac, LS1 Engine from 1997 to 2003 with a 4L60E, 4L65E, Each

Part Number: BMM-70442

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: YGA-10429

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Wheel, MR204 Forged, 18 in. x 9 in., 6 x 5.50 in. Bolt Pattern, Forged Aluminum, Polished, +12.00mm Offset, 106.25mm Center Bore, Each

Part Number: MTH-S2951

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

06 Hummer H3, Lemons And Chumps Roll Cage, 1-5/8" X .120" Wall, Dom Tubing

Part Number: RHC-13-0542-DOM

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Freight Charge
• Special Order