GM Hydroboost Assembly, 2011 LML

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Fits: 2011 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel Replace your leaking power brake hydro booster and restore braking power with this genuine GM replacement. Th ese boosters connect the brake pedal apply system to the master cylinder. The brake booster is a force multiplier that causes additional force to be applied to the master cylinder for additional braking power. Replaces Part#: GM 20940394 ACDelco 178-1036 Show more