Spark Plugs
Engine Core Plug
GM
91173849
Location-Cylinder Head. 22mm O.D. Location-Engine Block. 22mm O.D.
$4.99
MSRP $7.41
Save $2.42
32.7% Off 
Transmission Oil Plug
GM
12479777
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$13.25
MSRP $20.38
Save $7.13
35% Off 
Flywheel Housing Plug
GM
11612124
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.48
MSRP $5.17
Save $1.69
32.7% Off 
Transmission Oil Plug
GM
19258728
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
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