GMC C3500HD Ignitions & Electrical

Spark Plug, Iridium Power, ITF20, 14mm Thread, 11.60mm Reach, Tapered Seat, Universal, Each

Part Number: DNP-5331

Not Yet Reviewed

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Oxygen Sensor, OE Replacement, Each

Part Number: BCH-13027

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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

Part Number: ADO-PT209

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Wiring Pigtails, Fuel Tank Selector Valve Connector, 6-pin, Male, 6 Port Terminal with 5 Wires, Chevy, Dodge, Ford, GMC, Mercury, Olds, Pontiac, Each

Part Number: SMP-FV5C

Not Yet Reviewed

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Distributor Ignition Pickup, Buick, Cadillac, Chevy, Geo, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-D1987

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Relay, 30 Amp, 12V, 5 Male Terminals, Each

Part Number: SMP-RY109

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Electrical Switches, Compressor Mounted High Cut-Out Pressure Switches, Buick, Cadillac, Chevrolet, Geo, GMC, Oldsmobile, Pontiac, Each

Part Number: FSS-35961

Not Yet Reviewed

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Spark Plug Wires, Assembled, 7mm, HEI, Spiral Core, Black, Chevy, GMC, 7.4L, Set

Part Number: ADO-748G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Combination Switch, Turn Signal, Headlight Dimmer, Windshield Wiper, Replacement, Cadillac, Chevrolet, GMC, Oldsmobile, Truck, Van, Each

Part Number: ADO-D826A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

• Free Shipping

Starter, Stock Style, Standard Rotation, Black/Natural, Buick, Cadillac, Chevy, GMC, Oldsmobile, Each

Part Number: ADO-323-367

Not Yet Reviewed

Estimated Ship Date: Monday 11/16/2026 if shipped by air

• Core Charge $20.00

MAP Sensor, OEM Replacement, Stock-Style, Each

Part Number: SMP-AS59T

Not Yet Reviewed

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Spark Plug, XP Xtreme Performance, Iridium, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-XP605

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Coolant Temperature Sensor, OEM, Brass, Natural, for use on Acura®, Honda®, Chevy, Isuzu, Each

Part Number: DFP-TS10075

4.79 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

• $10 Summit Bucks on $100 spent*

Wiring Pigtails, 2-pin, Male, Black, for use on Acura®, Buick, Cadillac, Chevy, Chrysler, Ford, GMC, Lincoln, Mercury, Mitsubishi, Olds, Pontiac, Each

Part Number: SMP-HP3840

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Spark Plug, OE Iridium, Iridium, 14mm Thread, 0.750 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: BCH-9601

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Diode Assemblies, Replacement, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saturn, Suzuki, Each

Part Number: ADO-12135037

Not Yet Reviewed

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Horn, Stock Replacement, Each

Part Number: ADO-E1903E

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Ignition Coil Wiring Harnesses, Connector Pigtails, GM Ignition Coil Pigtail, 2 pin Female Plug, 18 and 12 Gauge Leads, GM, Each

Part Number: PCO-5633PT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Ignition Module, OEM Replacement, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each

Part Number: SMP-LX340

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Knock Sensor, Replacement, Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Each

Part Number: SMP-KS7

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Wiring Pigtails, Wiring Connectors, Idle Air Control Valve Connector, Male, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-85112

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Turn Signal Switch, Replacement, Plastic, Black, Cadillac, Chevrolet, GMC, Oldsmobile, Each

Part Number: SMP-DS698

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Starter, Fullsize, Inline, High-Torque, Chrome, 153/168-tooth, Chevy, Each

Part Number: PRO-66259

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

• Free Shipping

Turn Signal Switch, Labeled, Plastic, Black, Cadillac, Chevy, GMC, Oldsmobile, Each

Part Number: RNB-2330814

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

• Free Shipping

Relays, Replacement, 12 V, 35 amps, 4 Blade Terminals, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: ADO-13503102

Not Yet Reviewed

Estimated Ship Date: Monday 11/16/2026 if shipped by air