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

MSD Blaster OEM Replacement Coils 826483

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0, 8.1L, Set of 8

Part Number: MSD-826483

5.0 out of 5 stars ( 2 )

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Fleece Performance Wiring Pigtails FPE-HAR-GM-LCT-SEAL

Wire Connectors, Internal Harness and Viton® O-ring Seal for Allison LCT and GM 4T65-E Transmissions, 20-pin, Gray, 2-piece, Each

Part Number: FLE-S0483

4.0 out of 5 stars ( 1 )

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NGK Ignition Coils U5328

Ignition Coil, Coil Pack Style, Female/Socket, Square, Each

Part Number: NGK-49081

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ACDelco Gold Remanufactured Alternators 88864285

Alternators and Generators, Professional Remanufactured Alternators, Delco AD244 Case Style, 12 V, 145 amps, Serpentine Pulley, Chevy, GMC, Hummer

Part Number: ADO-334-2529A

1.0 out of 5 stars ( 1 )

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Denso Oxygen Sensors 234-4018

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: DNP-234-4018

5.0 out of 5 stars ( 3 )

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DiabloSport Trinity 2 EX Performance Programmers 9200

Computer Programmer, Trinity 2 EX Performance, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: DBL-9200

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ACDelco Wiring Connectors 88987993

Wire Connectors, Female Type, Gray, Buick, Cadillac, Chevrolet, Geo, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-PT1798

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MechMan High-Output Racing Alternators 8237240B

240 Amp H.O. Racing Alternator

Part Number: MEH-8237240B

Not Yet Reviewed

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MSD Street Fire Spark Plug Wire Sets 5574

Spark Plug Wire Sets, Street Fire, Assembled, Coil Pack Terminal Ends, Spiral Core, Black, 8.00mm Diameter, Chevrolet, GMC, 4.8L, 5.3L, 6.0L, Set

Part Number: MSD-5574

4.57 out of 5 stars ( 23 )

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Delphi Ignition Knock Sensors AS10017

Knock Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: DFP-AS10017

4.25 out of 5 stars ( 28 )

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ACDelco GM Genuine Parts Oxygen Sensors 12583804

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

Part Number: ADO-213-3866

4.33 out of 5 stars ( 6 )

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ACDelco GM Genuine Parts Mass Airflow Sensors 23262343

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

Part Number: ADO-23262343

5.0 out of 5 stars ( 2 )

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Standard Motor Crankshaft Position Sensors PC552

Crankshaft Position Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Saab, Each

Part Number: SMP-PC552

Not Yet Reviewed

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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 )

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ACDelco Gold Manifold Absolute Pressure Sensors 19418812

MAP Sensors, Gold Manifold Absolute Pressure Sensors, GM Style, Chevrolet, GMC, Each

Part Number: ADO-19418812

5.0 out of 5 stars ( 2 )

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ACDelco GM Genuine Parts Oxygen Sensors 12609457

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

Part Number: ADO-213-4229

5.0 out of 5 stars ( 3 )

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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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ACDelco GM Genuine Parts Replacement Horns 84594590

Horn, OE Replacement, Low Tone, 12 V, Buick, Cadillac, Chevy, GMC, Kit

Part Number: ADO-84594590

5.0 out of 5 stars ( 1 )

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MechMan S Series Billet Racing Alternators B8206170B

Alternator, for aftermarket Bracket Setups, -Motor swaps- for aftermarket Bracket Setups LS truck-suv, -Motor swaps-LS truck\-suv

Part Number: MEH-B8206170B

5.0 out of 5 stars ( 1 )

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Dorman Cylinder Deactivation Manifolds 917-162XD

Cylinder Deactivation Component, Cylinder Deactivation Manifold, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: RNB-917-162XD

5.0 out of 5 stars ( 1 )

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Summit Racing™ 88 Series 50 Ohm 8.5mm Ignition Wires SUM-887830

Summit Racing™ 88 Series 50 Ohm 8.5mm Ignition Wires SUM-887830

Spark Plug Wires, 88 Series, Street / Strip, 8.5mm, Black, 50 Ohm, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-887830

4.13 out of 5 stars ( 30 )

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MechMan Elite Series Billet Alternators B8302370RD

Alternators and Generators, Elite Series Billet Alternators, 12 V, 370 amps, Red Anodized, Serpentine, Buick, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: MEH-B8302370RD

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Holstein Parts Knock Sensors 2KNC0025KIT

Sensor, Ignition Knock Sensor, Replacement, Each

Part Number: HLN-2KNC0025KIT

4.0 out of 5 stars ( 3 )

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MSD Multiple Spark Coils and Coil Kits 82858

Ignition Coil, MSC II Coil Pack, D580 Style, Epoxy, Square, Red, GM LS1/LS6, Set of 8

Part Number: MSD-82858

4.0 out of 5 stars ( 13 )

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Standard Motor Knock Sensors KS116K

Knock Sensor, Replacement, Wiring Harness, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Kit

Part Number: SMP-KS116K

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