Original GM Ignition Parts
Your factory GM ignition system creates the spark your vehicle needs to start running under its own power. How does your ignition work? When you turn your key, your ignition switch activates. This sends a small current through a starter solenoid and draws high voltage from your car battery via an ignition coil. The electrical charge then gets distributed to the system's spark plugs, which are attached to the combustion chambers in the cylinder head. Each spark plug captures the electricity in turn, with help from your engine's camshaft or crankshaft. By now, a starter motor has cranked your engine. The "spark" the process creates ignites the fuel-air mixture in the engine cylinder's combustion chambers. That produces the power your vehicle needs. The entire process takes place in time with engine pistons pumping. A timing mechanism or, in some cases, electronic controls, help keep all the related auto parts working in sync. If your car won't start, you can't turn your key, the car stalls, your dash lights flicker, or the starter motor doesn't activate, these are signs you may have a bad ignition. Luckily, our auto parts department has the original GM ignition parts you need to replace in order to repair the system. Order now, right here on the Web!
Iridium Spark Plug
GM
12672175
4.2L twin-turbo. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components
Iridium...
$11.08
MSRP $17.04
Save $5.96
35% Off
Conventional Spark Plug
GM
19354418
Optional. Vendor:acdelco. Vendor #r44ltsm. Standard. Vendor #r43ltse. Black Onyx coating helps reduce corrosion
Copper core provides...
$2.72
MSRP $4.18
Save $1.46
34.9% Off
Iridium Spark Plug
GM
12680076
With twin-turbo. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components
Iridium...
$10.97
MSRP $16.88
Save $5.91
35% Off
Iridium Spark Plug
GM
55504354
2.0l. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components
Iridium composition...
$13.61
MSRP $20.94
Save $7.33
35% Off
Spark Plug Wire
GM
12666674
Durable to help transfer high voltage pulses without damage
$16.46
MSRP $25.32
Save $8.86
35% Off
Iridium Spark Plug
GM
12680074
Sedan, 2.5L, 2.0L turbo, 2.5L. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original...
$11.36
MSRP $17.48
Save $6.12
35% Off
Iridium Spark Plug
GM
55564748
2.8L. Iridium composition provides a high melting point and great strength, providing excellent wear resistance and durability
Iridium...
$15.54
MSRP $23.90
Save $8.36
35% Off
Iridium Spark Plug
GM
12680072
6.0L. Iridium. Vendor:acdelco. Vendor #41-985. Iridium is the latest in spark plug technology and is an exact replacement for vehicles'...
$10.97
MSRP $16.88
Save $5.91
35% Off
Iridium Spark Plug
GM
12646780
Coupe, 3.6L without twin-turbo. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original...
$12.31
MSRP $18.94
Save $6.63
35% Off
Iridium Spark Plug
GM
12681655
1.8L. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components
Iridium composition...
$11.43
MSRP $17.58
Save $6.15
35% Off
Double Platinum Spark Plug
GM
12592619
4.4L. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine...
$8.52
MSRP $13.10
Save $4.58
35% Off
Double Platinum Spark Plug
GM
19300872
Platinum. Vendor:acdelco. Vendor #41-990. 2.8 & 3.6L. 3.0 & 3.6L. 2nd Design. One-piece, fired-in suppressor seal blends three glass...
$8.79
MSRP $13.52
Save $4.73
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