2021 GMC SIERRA 1500 Ignitions & Electrical

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .984 in. Reach, Resistor, Each

Part Number: NGK-4344

5.0 out of 5 stars ( 6 )

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

Spark Plug, Laser Iridium, Tapered Seat, 14mm Thread Size, 25mm Reach, Resistor, Each

Part Number: NGK-91418

5.0 out of 5 stars ( 3 )

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

Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 25mm Reach, Tapered Seat, Each

Part Number: NGK-90220

5.0 out of 5 stars ( 5 )

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

Spark Plug Wire, Single, Assembled, 7mm, Spiral Core, Gray, 9.840 in. Length, Each

Part Number: ADO-12716289

5.0 out of 5 stars ( 1 )

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

Wiring Pigtails, Replacement, Female Wire Connector Type, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-PT2974

5.0 out of 5 stars ( 1 )

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

Modules, LED, Each

Part Number: PPP-20-702

4.91 out of 5 stars ( 11 )

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

Relay, Multi Purpose, High Power, General, 8386, Each

Part Number: ADO-13500114

5.0 out of 5 stars ( 1 )

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

Computer Programmer Accessory, Micro USB Cable, Replacement, iTSX, Livewire TS+, X4, Each

Part Number: SCL-4520

Not Yet Reviewed

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

Relays, Replacement, 35 amps, 12 V, 5 Blade Terminals, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-D1780C

5.0 out of 5 stars ( 2 )

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

Spark Plug, Double Iridium, Projected, 8 Heat Range, 25mm Reach, Tapered Seat, Cadillac, Chevy, GMC, Each

Part Number: BCH-96307

Not Yet Reviewed

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

Brake Pad Wear Sensors, Electronic, Front, Cadillac, Chevrolet, GMC, Each

Part Number: PWR-SW-1205

Not Yet Reviewed

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

SCT BDX Magnetic Window Mount, Each

Part Number: SCL-30490

5.0 out of 5 stars ( 1 )

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

Brake Pad Wear Sensors, ACDelco GM Genuine Parts Disc Brake Pad Wear Sensors, Front Left, Cadillac, Chevy, GMC, Each

Part Number: ADO-84886785

Not Yet Reviewed

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

Brake Pad Wear Sensors, Electronic, Rear, Cadillac, Chevrolet, GMC, Each

Part Number: PWR-SW-1206

Not Yet Reviewed

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

Spark Plug, Iridium, Tapered Seat, 14mm Thread, 1 in. Reach, Each

Part Number: CPN-9777

Not Yet Reviewed

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

• $25 Summit Bucks

ABS Speed Sensors, ACDelco ABS Wheel Speed Sensors, Rear Left, Chevrolet, GMC, Each

Part Number: ADO-85039848

Not Yet Reviewed

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

Spark Plug Wires, Assembled, Chevy, GMC, V6, Set

Part Number: SMP-27739

Not Yet Reviewed

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

Brake Pad Wear Sensor

Part Number: SMP-PWS383

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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• Special Order

ABS Speed Sensor, Replacement, Front Left, Cadillac, Chevrolet, GMC, Each

Part Number: SMP-ALS3569

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

• Drop Ship
• Special Order

ABS Sensor

Part Number: DFP-SS21575

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Drop Ship
• $15 Summit Bucks
• Special Order

ABS Sensor

Part Number: DFP-SS21576

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Drop Ship
• $15 Summit Bucks
• Special Order

Steering Column Control Module Connector

Part Number: ADO-PT2560

Not Yet Reviewed

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

Knock Sensor

Part Number: SMP-KS437

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

• Drop Ship
• Special Order

EM- BRK PAD WEAR SENSOR

Part Number: SMP-PWS350

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

• Drop Ship
• Special Order

COOLANT TEMP SENSOR

Part Number: HLN-2CTS0334

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Drop Ship
• Special Order