2001 - 2010 Duramax 6.6L
Part # 10010
The OEM screw GM uses is made of a hardened plastic but can be easily damaged. A cracked screw can cause air leaks which can lead to a stalling condition, hard start or other driveability concerns. Fix this with an Aluminum Head Bleeder Screw.
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California Residents: Prop 65 Warning
WARNING: Cancer and Reproductive Harm