2012 GMC SIERRA-1500 Ignitions & Electrical

Oxygen Sensor, 4-Wire, 0-1 V, Chevy, GMC, 5.3L, V8, Each

Part Number: NGK-21546

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: NGK-21066

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Spark Plug Wires, Assembled, 7mm, Spiral Core, Black, Cadillac, Chevy, GMC, Hummer, Saab, Small Block LS, Set

Part Number: ADO-748UU

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plugs, Iridium Long Life, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each

Part Number: DNP-5090

Not Yet Reviewed

Estimated Ship Date: Today

Coolant Temperature Sensor, OEM, Brass, Natural, Buick, Cadillac, Chevy, GMC, Pontiac, Saab, Saturn, Each

Part Number: DFP-TS10076

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ignition System Combo Kit, Ignition Coils, Blue Spark Plug Wires, 8mm Wire Diameter, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: GRN-28-1629KIT

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Computer Chips and Modules, AFM Plus V4 Fuel Economy Module, V4 Mode Increase Optimzer, Cadillac, Chevrolet, GMC, Each

Part Number: RET-RA002

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Ign Coil

Part Number: DFP-GN10639

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

Wiring Connector, GM 19368859, Cadillac, CTS, Gray Plastic, Each

Part Number: ADO-PT3846

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug Wire Retainer, Plastic, Black, Each

Part Number: NAL-12132229

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Throttle Position Sensor, Replacement, Each

Part Number: ADO-19259452

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping
• $20.00 Summit Bucks

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

Part Number: DNP-234-4256

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Alternators and Generators, High-Output, 12 V, 400 amps, Black/Natural, Internal Regulator, Serpentine Pulley, Cadillac, Chevy, GMC, Each

Part Number: MEH-8302400

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

• Free Shipping
• Special Order

Starter Bolts, Steel, Zinc, Long and Short Bolts, Chevy, LS, Set of 3

Part Number: MRG-60942MRG

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Computer Programmer, Max Energy Power Programmer, Cadillac, Chevy, GMC, Each

Part Number: HYP-32501

4.26 out of 5 stars ( 46 )

Estimated Ship Date: Dec 2, 2025 if ordered today

• Free Shipping

Battery Hold Down Clamp, Steel, Black, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-00587

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

Spark Plug, Professional, Platinum Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-902

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug Wire Sets, Assembled, Solid Core, Black Boots, Blue Wires, 8.00mm Diameter, Cadillac, Chevrolet, GMC, 6.2L Gen V, Set

Part Number: GRN-28-1545HTBLB

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Wiring Harness, GM Gen IV 4.8-6.2L Harness, Throttle by Wire, Truck/SUV, 4L65E, Each

Part Number: PRF-60526

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Computer Modules, Throttle Response Enhancer, Plug-n-Play, Module, Wiring Harness, Adjustable Dial, Chevy, GMC, 2.7L, 5.3L, 6.2L, Kit

Part Number: KNN-20-1000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Spark Plug, Iridium, Iridium, 14mm Thread, 0.689 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: CPN-9405

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Blue, 8.00mm Diameter, 10 in. Length, Cadillac, Chevrolet, GMC, Hummer, V8, Set

Part Number: GRN-28-1545-CBBL

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Starter, Stock Style, Standard Rotation, Black/Natural, Chevy, GMC, Hummer, Saab, Each

Part Number: ADO-323-1662

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $45.00
• Free Shipping
• $20.00 Summit Bucks

Replacement Component, IAC/TPS Mounting Hardware, Stainless, GM LS Engines, Each

Part Number: SUM-921100

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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

Part Number: DFP-TS10075

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Today