Spark Plugs
availability
Iridium Spark Plug
GM
12681660
3.6L, without bi-fuel. 3.0L. 3.6L, without twin-turbo. 3.0, 3.6L. 3.6L, 2nd design. Iridium is the latest in spark plug technology and...
$8.86
MSRP $16.88
Save $8.02
47.5% Off 
Iridium Spark Plug
GM
12622441
4.3L, 2018-19. 6.6L gas. 6.2L. without supercharger. Iridium is the latest in spark plug technology and is an exact replacement for...
$9.09
MSRP $17.32
Save $8.23
47.5% Off 
Iridium Spark Plug
GM
19301814
3.6L, 1st design. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components
Iridium...
$9.22
MSRP $17.56
Save $8.34
47.5% Off 
Spark Plug Wire
GM
12666910
6.2L with supercharged. Durable to help transfer high voltage pulses without damage
Manufactured to GM OE specification for fit,...
$16.54
MSRP $31.50
Save $14.96
47.5% 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...
$10.99
MSRP $20.94
Save $9.95
47.5% Off 
Iridium Spark Plug
GM
12642722
6.2L supercharged. 6.2L. with supercharger. Iridium is the latest in spark plug technology and is an exact replacement for vehicles'...
$8.93
MSRP $17.00
Save $8.07
47.5% 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...
$12.55
MSRP $23.90
Save $11.35
47.5% Off 
Conventional Spark Plug
GM
19354415
Exc.Police. Exc.Taxi. Standard. Vendor:acdelco. Vendor #CR43TS. Optional. Vendor #R45TS. Black Onyx coating helps reduce corrosion...
$2.19
MSRP $4.18
Save $1.99
47.6% Off 
Conventional Spark Plug
GM
05614168
Optional. Vendor:acdelco. Vendor #R43TSK. Black Onyx coating helps reduce corrosion
Copper core provides great heat transfer and helps...
$1.52
MSRP $2.90
Save $1.38
47.6% Off 
Conventional Spark Plug
GM
19354416
4.3L, 2003-2007. Optional. Vendor:acdelco. Standard. Vendor #R44LTS6. Black Onyx coating helps reduce corrosion
Copper core provides...
$2.29
MSRP $4.36
Save $2.07
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