Availability
GMC SIERRA 2500 HD Ignitions & Electrical
Showing In Stock Items. Show All 1117 Items.
Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set
Part Number: SUM-867828R
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
BUILD IT WITH SUMMIT!
Ignition Coils, Coil Pack, Epoxy, Square, Black, LS, V8, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each
Part Number: SUM-850504-1B
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Ignition Coil, Coil Pack Style, Black, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each
Part Number: DFP-GN10165
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Throttle Position Sensor, Replacement, Each
Part Number: ADO-213-4668
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Camshaft Position Sensor, OE Style, 3-Pin Connector, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each
Part Number: DFP-SS11370
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Sensor, Coolant Temperature, 3/8 in. NPT Thread, Brass, Natural, Each
Part Number: ADO-213-928
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Sensor, Engine Oil, Stock Replacement, Steel/Black, Silver, Black, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Each
Part Number: RNB-926-040
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Camshaft Position Sensor, Buick, Cadillac, Chevrolet, GMC, Pontiac, Each
Part Number: DFP-SS11368
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Ignition Coil, OEM Replacement, Cadillac, Chevy, GMC, Each
Part Number: ADO-12723610
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Ignition Coil, Socket, Coil Pack Style, Round, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each
Part Number: DFP-GN10119
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Buick, Cadillac, Chevrolet, GMC, Isuzu, Pontiac, Saturn, Each
Part Number: DNP-234-4668
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Crankshaft Position Sensor, Replacement, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Each
Part Number: DFP-SS11397
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Glow Plug, Replacement, GM, 6.6L Duramax, LLY, LBZ, LMM, LGH, LML, Each
Part Number: ADO-9G
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Spark Plug Wires, Assembled, 7mm, Spiral Core, Black, Set
Part Number: ADO-9748UU
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Knock Sensor Wiring Harness, OEM Replacement, Buick, Cadillac, Chevy, GMC, Pontiac, Each
Part Number: RNB-917-033
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Oxygen Sensor, 4-wire, Cadillac, Chevy, GMC, Each
Part Number: ADO-12657188
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Horn, OE Replacement, Low Tone, Each
Part Number: SMP-HN16T
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Spark Plug Wires, Assembled, 7mm, Spiral Core, Red, Buick, Cadillac, Chevy, GMC, Hummer, Small Block LS, Set
Part Number: ADO-9748RR
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each
Part Number: DNP-234-4018
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Ignition Coil, Coil Pack Style, Female/Socket, Square, Each
Part Number: NGK-49081
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
MAP Sensors, GM Genuine Parts Manifold Absolute Pressure Sensors, GM Style, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Saab, Each
Part Number: ADO-12711681
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Crankshaft Position Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Saab, Each
Part Number: SMP-PC552
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Knock Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each
Part Number: DFP-AS10017
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Oxygen Sensor, 4-wire, Thread-in, 0-1 V, Cadillac, Chevy, GMC, Each
Part Number: ADO-213-3866
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster