Spark Plugs
availability
Spark Plug Wire
GM
12716289
4.3L, 2018-19. Express, savana. 4.3l. Wire set. 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Spark plug wire....
$19.94
MSRP $34.69
Save $14.75
42.5% Off 
Conventional Spark Plug
GM
96130723
2007-08. Black Onyx coating helps reduce corrosion
Copper core provides great heat transfer and helps maximize plug durability
In...
$7.99
MSRP $13.90
Save $5.91
42.5% Off 
Conventional Spark Plug
GM
21025103
Black Onyx coating helps reduce corrosion
Copper core provides great heat transfer and helps maximize plug durability
In...
$2.63
MSRP $4.58
Save $1.95
42.6% Off 
Conventional Spark Plug
GM
19354423
Optional. Vendor:acdelco. Vendor #R43XLS. Black Onyx coating helps reduce corrosion
Copper core provides great heat transfer and helps...
$2.63
MSRP $4.58
Save $1.95
42.6% Off 
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...
$10.07
MSRP $17.52
Save $7.45
42.5% Off 
Conventional Spark Plug
GM
19354427
Standard. Vendor:acdelco. Vendor #R44TS. Optional. Vendor #R44T8. Black Onyx coating helps reduce corrosion
Copper core provides great...
$2.89
MSRP $5.02
Save $2.13
42.4% Off 
Iridium Spark Plug
GM
12681657
Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components
Iridium composition...
$9.98
MSRP $17.36
Save $7.38
42.5% Off 
Spark Plug Wire
GM
12666674
Durable to help transfer high voltage pulses without damage
$14.96
MSRP $26.02
Save $11.06
42.5% Off 
Conventional Spark Plug
GM
19355202
Black Onyx coating helps reduce corrosion
Copper core provides great heat transfer and helps maximize plug durability
In...
$2.89
MSRP $5.02
Save $2.13
42.4% 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...
$10.40
MSRP $18.08
Save $7.68
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