Thermostats & Parts
Engine Coolant Thermostat and Housing Assembly
GM
12620112
4.2L. Includes thermostat. Trailblazer. S-series. This GM Genuine part is designed, engineered and tested to rigorous standards, and are...
$81.55
MSRP $120.82
Save $39.27
32.5% Off Fits Your Vehicle
M8x1.25x30 Multi-Purpose Bolt
GM
11515758
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.71
MSRP $2.23
Save $0.52
23.3% Off Fits Your Vehicle
Engine Coolant Seal
GM
12561155
O-Ring. 4.2L. 2.8 & 2.9L. 5.3L. 6.0L. 3.7L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$25.41
MSRP $37.64
Save $12.23
32.5% Off Fits Your Vehicle
Engine Coolant Outlet O-Ring
GM
12579977
2.8 & 2.9L, 2.9L. 4.2L. 3.7L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
Fits Your Vehicle
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