GMC SIERRA 2500 HD Ignitions & Electrical - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ 86 Series 8mm 300 Ohm Ignition Wires SUM-867828

Summit Racing™ 86 Series 8mm 300 Ohm Ignition Wires SUM-867828

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867828

4.14 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Taylor ThunderVolt 8.2mm Spark Plug Wire Sets 84244

Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Red, 180 Degree Boots, Cadillac/Chevy, Pontiac, LS, Set

Part Number: TAY-84244

4.72 out of 5 stars ( 18 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Delphi Ignition Coils GN10639

Ign Coil

Part Number: DFP-GN10639

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

NGK Laser Platinum Spark Plugs PTR5D-10

Spark Plug, Laser Platimun, Projected Tip, 14mm Thread, 0.708 in. Reach, Tapered Seat, Each

Part Number: NGK-3784

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Autolite XP Xtreme Performance Spark Plugs XP5245

Spark Plug, Resistor, Iridium Tip, Copper Core, 14mm Thread Size, 0.708 in. Reach, Tapered Seat, Each

Part Number: ATL-XP5245

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Delphi MAP Sensors PS10000

Sensor, MAP, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Hummer, Isuzu, Saab, Saturn, Each

Part Number: DFP-PS10000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

ACDelco GM Genuine Parts Remanufactured Alternators 88864281

Alternator, GM AD230 Case Style, 12 V, 105 amps, Internal Regulator, Serpentine Pulley, Cadillac, Chevy, GMC, Each

Part Number: ADO-334-2491A

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

ACDelco Replacement Switches 85673885

Electrical Switches, ACDelco Replacement Black Switches, Atmosphere Auxiliary Multi-Function Switch, Brown Cover, Chevy, GMC, Sold as a Kit

Part Number: ADO-85673885

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

MSD Blaster OEM Replacement Coils 82653

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Isuzu, Hummer, Pontiac, Saab, Each

Part Number: MSD-82653

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

ACDelco GM Genuine Parts Oxygen Sensors 12622308

Oxygen Sensor, GM Genuine Part, 4-wire, Front, Chevrolet, 6.0L LS, Each

Part Number: ADO-213-4693

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Delphi Engine Coolant Temperature Sensors TS10076

Coolant Temperature Sensor, OEM, Brass, Natural, Buick, Cadillac, Chevy, GMC, Pontiac, Saab, Saturn, Each

Part Number: DFP-TS10076

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

ACDelco Ignition Coil Wiring Harnesses 12601824

Ignition Coil Wiring Harness, Each

Part Number: ADO-356G

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Delphi Throttle Position Sensors SS10382

Throttle Position Sensor, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: DFP-SS10382

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

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 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Dragon Fire Race Series Spark Plug Wire Sets PWJ121

Spark Plug Wire Sets, Race Series, Assembled, Spiral Core, Coil Pack Terminal Ends, Red Wires, 10mm Diameter, Cadillac, Chevrolet, Small Block LS, Set

Part Number: DFR-PWJ121

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Chevrolet Performance Spark Plug Wire Looms 88891792

Spark Plug Wire Retainer, 4-Wire, Plastic, Chevrolet, GMC, Saturn, 4 cyl., V8, Each

Part Number: NAL-88891792

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Denso Ignition Coils 673-7110

Direct Ignition Coil, Direct Ignition Coil OE Quality

Part Number: DNP-673-7110

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

ACDelco Alternators 84143542

Alternators and Generators, Alternators, 12 V, 150 amps, Internal Regulator, Serpentine Pulley, Chevy, GMC, Each

Part Number: ADO-84143542

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

ACDelco GM Genuine Parts Oxygen Sensors 19355306

Oxygen Sensor, 4-wire, Thread-in, 0-1 V, Cadillac, Chevy, GMC, Each

Part Number: ADO-AFS106

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Standard Motor T-Series OE Replacement Horns HN17T

Horn, OE Replacement, High Tone, Each

Part Number: SMP-HN17T

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

NTK Oxygen Sensors 21546

Oxygen Sensor, 4-Wire, 0-1 V, Chevy, GMC, 5.3L, V8, Each

Part Number: NGK-21546

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Powermaster HPR Large Frame Series Alternators 48550

Alternator, High-Amp, 245 amp, 12 V, Serpentine, Natural Finish, Denso Case, Internal Regulator, Cadillac, Chevy, GMC, Each

Part Number: PWM-48550

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Champion Iridium Spark Plugs 9405

Spark Plug, Iridium, Iridium, 14mm Thread, 0.689 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: CPN-9405

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

ACDelco GM Genuine Parts Nitrogen Oxide Sensors 12671388

Nitrogen Oxide Sensors, GM Genuine Parts, Downstream, Chevrolet, GMC, Each

Part Number: ADO-12671388

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

FAST XR Series Ignition Coils 30386-8

Ignition Coils, XR Series, Black, 50,000 Volts Max, V8, LS, Cadillac, Chevy, GMC, Pontiac, Set of 8

Part Number: FST-30386-8

5.0 out of 5 stars ( 1 )

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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Professional Products LSX High Performance Coil Packs 30500

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/9/2026

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