GMC SIERRA 2500 HD Ignitions & Electrical - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Denso Oxygen Sensors 234-4651

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Saturn, Each

Part Number: DNP-234-4651

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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NTK Oxygen Sensors 21549

Oxygen Sensor, 4-Wire, 0-1 V, Front, Cadillac, Chevy, GMC, 6.0/8.1L, V8, Each

Part Number: NGK-21549

5.0 out of 5 stars ( 3 )

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ACDelco Crankshaft Position Sensors 12669636

Crankshaft Position Sensors, Replacement, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12669636

Not Yet Reviewed

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Interstate Mega-Tron Plus Automotive Batteries MTP-78

Battery, Mega-Tron, 12 V, Starting, 800 Cold Cranking Amps, Side Posts, Each

Part Number: ISB-MTP-78

4.8 out of 5 stars ( 10 )

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In Store Purchase Only

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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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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ACDelco Alternators 22781131

Alternators, GM AD244 Case Style, 12 V, 145 amps, Internal Regulator, Serpentine Pulley, Chevrolet, Each

Part Number: ADO-22781131

Not Yet Reviewed

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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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Champion Copper Plus Spark Plugs 401

Spark Plug, RS12YC, Copper Plus, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-401

4.5 out of 5 stars ( 4 )

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Standard Motor Glow Plug Controllers RY1866

Glow Plug Controller, Duramax Diesel V8, Each

Part Number: SMP-RY1866

Not Yet Reviewed

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Superchips Flashpaq Tuners 2847

Computer Programmer, Flashpaq, Cadillac, Chevy, GMC, Each

Part Number: SRC-2847

3.0 out of 5 stars ( 2 )

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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 )

Estimated Ship Date: Tomorrow

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ACDelco GM Genuine Parts Manifold Absolute Pressure Sensors 25203477

Map Sensor, OE Replacement, 4 Bar, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-25203477

5.0 out of 5 stars ( 2 )

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Champion Copper Plus Spark Plugs 13

Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-13

4.5 out of 5 stars ( 4 )

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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 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 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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ACDelco GM Genuine Parts Nitrogen Oxide Sensors 19330002

Nitrogen Oxide Sensors, GM Genuine Parts, Upstream, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: ADO-19330002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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ACDelco Accelerator Pedal Sensors 23362231

Accelerator Pedal Position Sensors, Accelerator Pedal Assembly, Cadillac, Chevy, GMC, Each

Part Number: ADO-23362231

Not Yet Reviewed

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Standard Motor Wiring Connectors S-824

Wiring Pigtails, 2-pin, Female, Black, for Hyundai, for Kia, Cadillac, Chevy, Chrysler, Dodge, Ford, Mazda, Mercury, Subaru, Volkswagen, Volvo, Each

Part Number: SMP-S824

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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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MechMan Elite Series Billet Alternators B8206370RD

MechMan Elite Series Billet Alternators B8206370RD

Alternator, E Series, 12 V, 370 amps, Billet Aluminum, Red Anodized, Serpentine, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Each

Part Number: MEH-B8206370RD

5.0 out of 5 stars ( 1 )

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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 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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MechMan Elite Series Billet Alternators B14019400B

Alternator, Elite Series, 12 V, 400 amps, Black Anodized, Serpentine Pulley, Cadillac, Chevy, GMC, Each

Part Number: MEH-B14019400B

5.0 out of 5 stars ( 2 )

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Fleece Performance Fan Extension Harnesses FPE-HAR-DMAX-FAN-LML

Duramax Fan Extension Harness (LML)

Part Number: FLE-S0475

5.0 out of 5 stars ( 1 )

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ACDelco Spark Plug Wire Sets 19417607

Spark Plug Wire Sets, Assembled, RFI Suppresion, Spiral Core, Black, Cadillac, Chevrolet, GMC, Hummer, Small Block, Set

Part Number: ADO-19417607

Not Yet Reviewed

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