Power Brake Boost, Duramax | 2011

GM Hydraulic Power Brake Booster Assembly

This Hydraulic Power Brake Booster Assembly is a genuine GM replacement designed to restore proper power-assisted braking operation in applicable Chevrolet Silverado and GMC Sierra 2500HD and 3500HD trucks. Commonly referred to as a Hydroboost unit, this assembly uses hydraulic pressure from the power steering system to provide brake assist. It is built to GM Original Equipment specifications for proper fit, function, and brake pedal feel.

Key Features

• Genuine GM Original Equipment hydraulic power brake booster assembly
• Direct replacement for the original Hydroboost unit
• Designed to restore proper power brake assist and pedal operation
• Manufactured to GM specifications for correct fit and function
• Replaces previous GM part number 20940394
• ACDelco cross-reference part number 178-1036

Benefits

A worn, leaking, or malfunctioning hydraulic brake booster can result in reduced brake assist, increased pedal effort, or hydraulic fluid leakage. Replacing the original unit with GM 19371361 helps restore the braking system to its intended operation while retaining OE-style fitment and performance.

Fitment

Fits applicable 2011 Chevrolet Silverado 2500HD and 3500HD and 2011 GMC Sierra 2500HD and 3500HD models, including applicable trucks equipped with the 6.6L Duramax LML diesel engine. Vehicle configuration can affect fitment, so VIN verification is recommended before ordering.

What's Included

• GM hydraulic power brake booster assembly
• Mounting bracket and related mounting hardware
• Gasket/seal
• Brake pedal rod extension