2001 GMC SIERRA 2500 HD Ignitions & Electrical

Taylor Spiro-Pro Spark Plug Wire Sets 76646

Wire, Spiro-Pro, 8mm, Blue, Coil Pack, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Set of 8

Part Number: TAY-76646

4.75 out of 5 stars ( 4 )

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MSD Blaster OEM Replacement Coils 8263

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

Part Number: MSD-8263

5.0 out of 5 stars ( 3 )

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PerTronix Flame-Thrower Ignition Coils 30848

Ignition Coils, Flame-Thrower, Coil Pack Style, Epoxy, Female/Socket, Square, Black, 35,000 V, Buick, Cadillac, Chevy, GMC, Hummer, LS, Set of 8

Part Number: PNX-30848

2.0 out of 5 stars ( 1 )

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Champion Platinum Power Spark Plugs 3015

Spark Plug, Platinum Power, 14mm Thread, .708 in. Reach, Resistor, Buick, Chevy, Oldsmobile, Isuzu, GMC, Each

Part Number: CPN-3015

Not Yet Reviewed

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Taylor ThunderVolt 8.2mm Spark Plug Wire Sets 84044

Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Black, Buick, Cadillac, Chevy, Pontiac, Hummer, Saab, Set

Part Number: TAY-84044

4.75 out of 5 stars ( 4 )

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Powermaster XS Volt Alternators 5823783

Powermaster XS Volt Alternators 5823783

Alternator, XS Volt, GM AD244 Case, 220 amps, Under Drive Serpentine Pulley, Offset Mount, Black Powdercoat, Internal Regulator, Chevrolet, GMC, Each

Part Number: PWM-5823783

Not Yet Reviewed

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Dorman Battery Hold-Downs 00587

Battery Hold Down Clamp, Steel, Black, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-00587

4.86 out of 5 stars ( 7 )

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Summit Racing™ Race Series 50 Ohm 8.5mm Ignition Wires SUM-887828WS

Spark Plug Wires, Race Series, 8.5mm, Black, 50 Ohm, 9" Leads, OEM Spark Plug Boots With Heat Shields Installed, LS, V8, Set

Part Number: SUM-887828WS

Not Yet Reviewed

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ACCEL C-Cut Performance Spark Plugs 0526-4

Spark Plug, C-Cut Ground Electrode, Tapered Seat, 14mm Thread .708 in. Reach, Projected, Resistor, Set of 4

Part Number: ACC-0526-4

4.95 out of 5 stars ( 20 )

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Summit Racing™ OE Replacement Alternators SUM-810353

Alternator, Stock Replacement, Natural Finish, Buick, Cadillac, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: SUM-810353

3.17 out of 5 stars ( 6 )

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Edge EvoHT2 Programmers 26040

Computer Programmer, EvoHT2, Chevrolet, GMC, Duramax Diesel, Each

Part Number: EGE-26040

2.67 out of 5 stars ( 3 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Standard Motor T-Series Crankshaft Position Sensors PC278T

Crankshaft Position Sensor, T-Series, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: SMP-PC278T

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: Jun 24, 2026 if ordered today

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Estimated Ship Date: Jun 24, 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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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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Denso Platinum TT Spark Plugs 4511

Spark Plugs, Platinum TT, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each

Part Number: DNP-4511

Not Yet Reviewed

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Standard Motor Blue Streak Performance Race Spark Plug Wire Sets 10039

Spark Plug Wires, Blue Streak Performance Race, Assembled, Spiral Core, 9mm, Black, Set

Part Number: SMP-10039

4.5 out of 5 stars ( 8 )

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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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ACCEL Super Coils 140043K-8

Ignition Coils, Super, Coil Pack Style, Female/Socket, Epoxy, Black, Square, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Set of 8

Part Number: ACC-140043K-8

5.0 out of 5 stars ( 1 )

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Standard Motor OE Replacement Horns HN-17

Horn, OE Replacement, High Tone, 12 V, for use on Acura®, for use on Honda®, AMC, Audi, BMW, Chevy, Chrysler, Dodge, Eagle, Ford, GMC, Jaguar, Each

Part Number: SMP-HN17

4.67 out of 5 stars ( 6 )

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Standard Motor Camshaft Position Sensors PC273K

Camshaft Position Sensor, Replacement, Buick, Cadillac, Chevrolet, GMC, Isuzu, Pontiac, Each

Part Number: SMP-PC273K

1.0 out of 5 stars ( 1 )

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Standard Motor Blue Streak Premium Street Performance Spark Plug Wire Sets 10026

Spark Plug Wires, Blue Streak Performance Street, Assembled, Spiral Core, 8.5mm, Black, Set

Part Number: SMP-10026

3.5 out of 5 stars ( 6 )

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Holstein Parts Camshaft Sensors 2CAM0181

Sensor, Camshaft Position Sensor, Replacement, Each

Part Number: HLN-2CAM0181

1.0 out of 5 stars ( 1 )

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ACDelco Conventional Resistor Spark Plugs 19354418

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each

Part Number: ADO-R44LTSM

4.33 out of 5 stars ( 3 )

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ACDelco Replacement Relays 13500114

Relay, Multi Purpose, High Power, General, 8386, Each

Part Number: ADO-13500114

5.0 out of 5 stars ( 1 )

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Edge Insight CS2 Monitors 84030

INSIGHT CS2 MONITOR

Part Number: EGE-84030

5.0 out of 5 stars ( 1 )

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