Cadillac Spark Plugs
Spark Plug
GM
19542395
Optional. Vendor:acdelco. Vendor #cr43tsm. Standard.
$2.12
MSRP $3.14
Save $1.02
32.5% 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...
$2.94
MSRP $4.36
Save $1.42
32.6% 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...
$13.06
MSRP $23.90
Save $10.84
45.4% Off 
Conventional Spark Plug
GM
19354415
Exc.Police. Exc.Taxi. Standard. Vendor:acdelco. Vendor #CR43TS. Optional. Vendor #R45TS. Black Onyx coating helps reduce corrosion...
$2.82
MSRP $4.18
Save $1.36
32.5% 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...
$9.88
MSRP $18.59
Save $8.71
46.9% 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'...
$9.55
MSRP $17.48
Save $7.93
45.4% 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...
$11.76
MSRP $21.52
Save $9.76
45.4% Off 
Iridium Spark Plug
GM
12688094
2.7L turbo. 1.3L turbo. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components...
$10.61
MSRP $19.42
Save $8.81
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