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Vehicle Info NeededACDELCOPART NUMBER: 065-178-1031
Power Brake Booster Assembly for Select 2003-2007 Chevy Silverado, GMC Sierra Trucks
$49651
Ships on 09/17/2026
Lowest Price GuaranteePower Brake Booster
Power Brake Booster AssemblySelect 2003-2007 Chevy Silverado, GMC Sierra Trucks OEM-Style Sold Individually
ACDelco 178-1031 Power Brake Booster Assembly Features:
- Restores brake pedal feel and performance
- Original equipment manufacturer (OEM) specifications
- Retains original mounting locations
- Direct fitment installation
Part TypePower Brake Booster
BrandACDELCO
Package Height10.3
Package Width12.5
Package Length20.6
Weight17.14 PG
Part CategoryReplacement Parts
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Product TypeBrake Booster
QuantitySold individually
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Signs Of Wear & Troubleshooting - Section 1 - Bullet 1Chirping or grinding noises when braking.
Signs Of Wear & Troubleshooting - Section 1 - HeaderSigns of brake wear include:
Brake Pedal Rod Extension IncludedYes
Mounting Bracket IncludedYes
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner’s manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 4Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - Bullet 2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Booster TypeHydraulic
Features & Benefits - Bullet 2Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
Features & Benefits - Bullet 3GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
Features & Benefits - Bullet 4GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Master Cylinder IncludedNo
Features & Benefits - Bullet 5GM regularly updates production and service part designs to integrate new materials and technologies
Product DescriptionGM Genuine Parts Power Brake Boosters are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These 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. GM Genuine Parts are the true OE parts installe d during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Features &#38; Benefits - Bullet 1Restores brake power and performance
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems.
Gasket Or Seal IncludedYes
Width (In)7.4
Mounting Hardware IncludedYes
Brake Service GradeRegular
Height (In)7.1
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 2Difficulty stopping the vehicle.
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 3A low or sinking brake pedal.
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 4Brake pedal pulsation (not to be confused with normal ABS operation).
Length (In)16.2
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 5Vehicle pulls to the left or right when brakes are applied.
Part FitmentDirect Fit
Weight (Lb)14.11
Grade TypeOE
Vendor Part Number178-1031
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
