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

ACDelco Spark Plugs 19355206

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

Part Number: ADO-R44LTSM6

5.0 out of 5 stars ( 1 )

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Standard Motor Nitrogen Oxide Sensors NOX021

Nitrogen Oxide Sensor, OE Replacement, Downstream, Chevrolet, GMC, Each

Part Number: SMP-NOX021

Not Yet Reviewed

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Dorman Impact Sensors 590-225

Impact Sensor, Chevy, GMC, Radiator Support, Each

Part Number: RNB-590-225

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

BD Diesel Throttle Sensitivity Boosters 1057932

Throttle Response Enhancers, Throttle Sensitivity Boosters, Dodge, Ford, Jeep, Ram, Each

Part Number: BDD-1057932

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Banks Power PedalMonster Throttle Response Enhancers 64310

4.75 out of 5 stars ( 23 )

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Dorman Wiring Connectors 645-215

Wiring Pigtails, Wiring Connectors, 2-pin, Female, 18-gauge, Black, Ford, Lincoln, Mercury, Each

Part Number: RNB-645-215

5.0 out of 5 stars ( 2 )

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Delphi Oxygen Sensors ES20094

Oxygen Sensor, 4-wire, Thread-in, 0-1 V, Buick, Cadillac, Chevy, GMC, Pontiac, Hummer, Isuzu, Saab, Each

Part Number: DFP-ES20094

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MSD Blaster OEM Replacement Coils 826383

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, 4.8, 5.3, 6.0L, Set of 8

Part Number: MSD-826383

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Granatelli Motor Sports Spark Plug Wires 28-1545HTBLB

Granatelli Motor Sports Spark Plug Wires 28-1545HTBLB

Spark Plug Wire Sets, Assembled, Solid Core, Black Boots, Blue Wires, 8.00mm Diameter, Cadillac, Chevrolet, GMC, 6.2L Gen V, Set

Part Number: GRN-28-1545HTBLB

3.0 out of 5 stars ( 2 )

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Powermaster Street Alternators 8247

Alternator, Street, 120 Amps, Natural Finish, Serpentine, Cadillac, Chevy, GMC, Each

Part Number: PWM-8247

5.0 out of 5 stars ( 1 )

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ACDelco GM Genuine Parts Fuel Pressure Sensors 12651990

Fuel Pressure Sensors, GM Genuine Parts, Chevrolet, GMC, Each

Part Number: ADO-12651990

Not Yet Reviewed

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ACDelco GM Genuine Parts Mass Airflow Sensors 23324767

MAF Sensor, GM OE, Stock, Cadillac, Chevy, GMC, Each

Part Number: ADO-23324767

Not Yet Reviewed

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JET Powr-Flo Mass Airflow Sensors 69109

Mass Air Meter, Plastic, Black, Cadillac, Chevy, GMC, Each

Part Number: JET-69109

4.0 out of 5 stars ( 4 )

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ACDelco Replacement Wiring Harness Connectors 12101937

Wiring Harness Connector, Replacement, Multipurpose, Male, 2-pin, Gray, Each

Part Number: ADO-PT209

5.0 out of 5 stars ( 1 )

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Hypertech REACT Performance Throttle Enhancers 101300

Throttle Response Enhancer, REACT Performance, Each

Part Number: HYP-101300

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Dorman Starter Mounting Bolts 72004

Starter Mounting Bolt, Flanged Hex Head, Steel, Zinc Color, 5.00 in. Underhead Length, Buick, Cadillac, Chevy, GMC, Hummer, Olds, Pontiac, Saab, Each

Part Number: RNB-72004

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

Diode Dynamics LED Flasher Relays DD4013

LM487 LED Turn Signal Flasher

Part Number: DOD-DD4013

1.0 out of 5 stars ( 1 )

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Delphi Ignition Knock Sensors AS10261

Knock Sensor, Original Equipment, Each

Part Number: DFP-AS10261

Not Yet Reviewed

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Intellitronix High Output Ignition Coils IGCL001-LS

Ignition Coils, Coil Pack, Epoxy, Square, Red, LS, V8, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Set of 8

Part Number: IZL-IGCL001-LS

4.0 out of 5 stars ( 2 )

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Powermaster PowerMax Starters 19201

Starter, PowerMAX, Full Size, Standard Rotation, Chrome, Chevy, GMC, Pontiac, Small Block LS, Each

Part Number: PWM-19201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Powermaster PowerMax Starters 19109

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Bosch Double Platinum Spark Plugs 8104

Spark Plug, Double Platinum, Tapered Seat, 14mm Thread, 17.5mm Reach, Resistor, Each

Part Number: BCH-8104

5.0 out of 5 stars ( 1 )

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Standard Motor Power Window Switches DWS-241

Power Window Switch, OEM, Stock Activation, Plastic, Cadillac, Chevy, GMC, Each

Part Number: SMP-DWS-241

4.13 out of 5 stars ( 8 )

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Delphi Mass Airflow Sensors AF10058

Mass Airflow Sensor, Electronics, Black Plastic Housing, Buick, Cadillac, Chevy, GMC, Hyundai, for Kia, Saturn

Part Number: DFP-AF10058

5.0 out of 5 stars ( 1 )

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ACDelco GM Genuine Parts Exhaust Temperature Sensors 12643246

Sensor, Exhaust Temperature, Position Two, Chevy, GMC, 6.6L Diesel, Each

Part Number: ADO-213-4778

5.0 out of 5 stars ( 2 )

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MSD Pro Power Coils 828783

Ignition Coil, MSC II Coil Pack, Epoxy, Square, Black, GM LS2/LS7, Set of 8

Part Number: MSD-828783

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Taylor 409 Pro Race Spiro-Wound 10.4mm Spark Plug Wires 79606

Spark Plug Wires, 409 Pro Race, 10.40mm, Black Wire, Spiral Core, Set

Part Number: TAY-79606

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today