2021 GMC SIERRA 1500 Ignitions & Electrical

ACDelco Ignition Coils 12723610

Ignition Coil, OEM Replacement, Cadillac, Chevy, GMC, Each

Part Number: ADO-12723610

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Delphi Ignition Coils GN10165

Ignition Coil, Coil Pack Style, Black, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: DFP-GN10165

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Delphi Ignition Coils GN10639

Ign Coil

Part Number: DFP-GN10639

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Caspers Electronics Oxygen Sensor Extension Harnesses for 2015-2022 SIERRA 1500, SILVERADO 1500 - 109289-24

Caspers Electronics Oxygen Sensor Extension Harnesses for 2015-2022 SIERRA 1500, SILVERADO 1500 - 109289-24

Oxygen Sensor Extension Harness, 4 Wire, Flat, 24 in. Long, Chevy, GMC, Each

Part Number: CEI-109289-24

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACDelco Crankshaft Position Sensors 12669636

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

Part Number: ADO-12669636

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACDelco GM Genuine Parts Knock Sensors 12623095

Knock Sensor, GM OE, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-12623095

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

NGK Laser Iridium Spark Plugs 94956

Spark Plug, Laser Iridium, 12mm Thread, 0.984 in. Reach, 9 Heat Range, 14mm Wrench Size, ILNFR9B7G, Each

Part Number: NGK-94956

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACDelco GM Genuine Parts Fuel Pressure Sensors 12708493

Fuel Pressure Sensors, GM Genuine Parts, Plastic/Steel, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12708493

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACDelco GM Genuine Parts Oxygen Sensors 12670253

Oxygen Sensor, Thread-in, Chevy, GMC, Each

Part Number: ADO-12670253

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACDelco Air Temperature Sensors 55494196

Air Temperature Sensors, GM Genuine Parts, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-55494196

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

SCT Livewire TS+ Pod Adapters 30604

Mount, Pod Adapters, Livewire TS+, Each

Part Number: SCL-30604

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Standard Motor Ignition Coils UF912

Ignition Coil, Replacement, Coil Pack Style, Female/Socket, Epoxy, Black, Cadillac, Chevrolet, GMC, Each

Part Number: SMP-UF912

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Denso Oxygen Sensors 234-8054

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Cadillac, Chevrolet, Each

Part Number: DNP-234-8054

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Delphi MAP Sensors PS10247

Manifold Absolute Pressure Sensor, Manifold Absolute Pressure Sensor

Part Number: DFP-PS10247

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

ACDelco GM Genuine Parts Brake Pedal Position Sensors 13597422

Brake Pedal Position Sensors, GM Genuine Parts, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-13597422

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holstein Parts Camshaft Sensors 2CAM0433

Sensor, Camshaft Position Sensor, Replacement, Each

Part Number: HLN-2CAM0433

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Holstein Parts MAP Sensors 2MAP0260

Sensor, Manifold Pressure Sensor, MAP, Replacement, Each

Part Number: HLN-2MAP0260

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACDelco GM Genuine Parts Brake Fluid Level Sensors 23139898

Brake Fluid Level Sensors, ACDelco GM Genuine Parts Brake Fluid Level Sensors, Chevrolet, GMC, Cadillac, Buick, Brightdrop, Each

Part Number: ADO-23139898

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Standard Motor Spark Plug Wire Sets 7739

Domestic Truck Wire Set

Part Number: SMP-7739

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Delphi Vehicle Speed Sensors SS12245

Vehicle Speed Sensor

Part Number: DFP-SS12245

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holstein Parts Vehicle Speed Sensors 2VSS0527

Sensor, Vehicle Speed Sensor, Replacement, Each

Part Number: HLN-2VSS0527

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Standard Motor Power Window Switches DWS2050

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

Part Number: SMP-DWS2050

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Standard Motor Spark Plug Wire Sets 27873

Spark Plug Wires, Black Wire, Black Boots, Set

Part Number: SMP-27873

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACDelco Wiring Connectors 13587325

Multi Purpose Connector Kit

Part Number: ADO-PT2931

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACDelco Crankshaft Position Sensors 12712848

SENSOR ASM-CR/SHF POSN

Part Number: ADO-12712848

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air