2001-2016 Duramax Fuel Filter Head Bleeder Screw (10010) 5.3L DT40 reduces oil consumption by

DT40 reduces oil consumption by limiting oil vaporization and foaming

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Note: A T4 gasket should be used on the top and bottom of the spacer to provide a proper seal

Proper pushrod length maintains stock rocker geometry

2001-2016 Duramax Fuel Filter Head Bleeder Screw (10010) 5.3L DT40 reduces oil consumption byOn Duramax Diesel trucks from 2001 2016, the fuel filter head was outfitted with a plastic bleed screw from the factory. While this bleeder screw provides easy servicing for your fuel filter, over time, the plastic can become damaged from repeated use or exposure to harsh conditions. This can lead to cracks in the screw which cause air leaks, leading to stalling, hard start, and other drivability conditions. Merchant Automotive has recognized this