2003 GMC SIERRA 1500 HD Parts & Accessories

PerTronix Flame-Thrower Spark Plug Wire Sets 808224

SPARK PLUG WIRE SETS, PerTronix 808224 Flame-Thrower Spark Plug Wires 8 cyl 8mm 45 Degree Boots Black

Part Number: PNX-808224

3.2 out of 5 stars ( 5 )

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Rough Country Spline-Drive Lug Nuts 141532BLK

Lug Nuts, Conical Seat, 14mm x 1.50 RH, Spline Drive, Black, Steel, Chevy, Dodge, Ford, GMC, Jeep, Nissan, Ram, Toyota, Set of 32

Part Number: ROU-141532BLK

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Skyjacker Sway Bar Relocation Brackets SBL20

Sway Bar Relocation Bracket, Steel, Natural, Jeep/Chevy, GMC/Dodge, Ford, Mazda, Each

Part Number: SJA-SBL20

5.0 out of 5 stars ( 3 )

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Pacer Performance LED Modules 20-702

Modules, LED, Each

Part Number: PPP-20-702

4.91 out of 5 stars ( 11 )

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Bosch Focus Windshield Wiper Blades FS22

Windshield Wiper Blades, Focus, Beam Style, Steel Frame, Rubber Blade, Black, 22.00 in. Length, for use on Acura®, Audi, BMW, Chevy, Chrysler, Each

Part Number: BCH-FS22

5.0 out of 5 stars ( 1 )

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Fel-Pro Water Pump Gaskets ES73010

Water Pump Gaskets, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Pair

Part Number: FEL-ES73010

5.0 out of 5 stars ( 2 )

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Dorman Brake Banjo Bolts 13940

Fitting, Brake Hose Bolt, Banjo, Steel, Zinc, 10mm x 1.5,, Each

Part Number: RNB-13940

4.75 out of 5 stars ( 12 )

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MSD Blaster OEM Replacement Coils 8264

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0, 8.1L, Each

Part Number: MSD-8264

4.2 out of 5 stars ( 5 )

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Pacer Performance Flexy Flares Fender Flares 52-169

Fender Flare, Front, Rear, Black Synthetic Rubber, Universal, 50 ft. Roll, Each

Part Number: PPP-52-169

Not Yet Reviewed

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Summit Racing™ Idle Air Control Valve and Throttle Position Sensor Bolt Kits SUM-921100

Replacement Component, IAC/TPS Mounting Hardware, Stainless, GM LS Engines, Each

Part Number: SUM-921100

5.0 out of 5 stars ( 7 )

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KYB Gas-a-Just Shocks and Struts KG54342

Shock Absorber / Strut, Gas-a-Just, Monotube, Gas Charged, Each

Part Number: KYB-KG54342

5.0 out of 5 stars ( 7 )

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Energy Suspension Transmission Mounts 3.1171R

Energy Suspension Transmission Mounts 3.1171R

Bushing, Transmission Mount, Gold Iridited, Red, Cadillac, Chevy, GMC, Each

Part Number: ENS-3-1171R

5.0 out of 5 stars ( 2 )

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Dorman Exhaust Manifold Mounting Hardware 03413B

Exhaust Manifold Bolts, Steel, Zinc Plated, Cadillac, Chevy, GMC, Chrysler, Dodge, Isuzu, Jeep, Set of 12

Part Number: RNB-03413B

4.59 out of 5 stars ( 27 )

Estimated Ship Date: Today

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Cloyes Timing Crankshaft Sprockets S827

Timing Gear, Crankshaft Sprocket, 22-tooth, Steel, Chevy, Each

Part Number: CLO-S827

Not Yet Reviewed

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ACDelco Transmission Solenoids 19139322

Transmission Solenoids, TCC/Lock-up Solenoid, GM, Each

Part Number: ADO-214-1892

5.0 out of 5 stars ( 3 )

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Eddie Motorsports Smooth Billet Coil Covers MS109-02MB

Ignition Coil Covers, Smooth, Billet Aluminum, Matte Black Powdercoated, Chevy, Pontiac, Small Block LS, Pair

Part Number: EMS-MS109-02MB

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Summit Racing™ Spark Plug Boot Heat Shields SUM-889505BK

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Black, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505BK

5.0 out of 5 stars ( 1 )

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Sherman Quarter Panels SHE901-59L

Quarter Panel Patch, Steel, EDP Coated, Driver Side, Wheel Arch, Chevy, GMC, Each

Part Number: SHI-901-59L

5.0 out of 5 stars ( 1 )

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ACDelco Automatic Transmission Shift Shaft Seals 19340257

Automatic Transmission Shift Shaft Seal, Nitrile, Buick, Cadillac, Chevy, Each

Part Number: ADO-8792S

1.0 out of 5 stars ( 2 )

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King HP-Series Cam Bearings CS5172HP

Cam Bearings, Alecular Silicon, Chevy LS, Dart LS Next Block, Kit

Part Number: KGB-CS5172HP

Not Yet Reviewed

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FAST XR Series Ignition Coils 30387-8

Ignition Coils, XR Series, Black, 50,000 Volts Max, V8, Round Truck Style, LS, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Set of 8

Part Number: FST-30387-8

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ High-Output Ignition Coils SUM-850501-1B

Not Yet Reviewed

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MaxTrac Suspension Leveling Kits 840513

Leveling Kit, Front, Torsion Key, 1-3 in., Cadillac, Chevrolet, GMC, Kit

Part Number: MXT-840513

4.0 out of 5 stars ( 4 )

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Dee Zee Hex Cast Side Step Bars DZ66321CTB

Step Bars, Aluminum, Black Textured Powdercoated, Crew Cab, Pair

Part Number: DZZ-DZ66321CTB

Not Yet Reviewed

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Autolite Double Platinum Spark Plugs PP5245

Spark Plug, Double Platinum, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-APP5245

Not Yet Reviewed

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Standard Motor Oil Pressure Gauge Sending Units PS-308

Oil Pressure Sender/Switch, OEM Replacement, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Each

Part Number: SMP-PS308

3.29 out of 5 stars ( 7 )

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2003 GMC SIERRA 1500 HD Parts and Accessories