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GM Genuine Parts Power Brake Booster Inlet Hose Assembly
OE

GM Genuine Parts Power Brake Booster Inlet Hose Assembly

GM Part #20930009

ACDelco Part #176-1640

MSRP$93.03*

GM Genuine Parts Power Brake Booster Lines are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

About this product

GM Genuine Parts Power Brake Booster Lines are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed 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). A brake booster line utilizes the vacuum produced by the vehicle's engine to supply energy to the power brake booster, which assists the pedal input of the driver, and is a GM-recommended replacement for your vehicle's original components. GM Genuine Parts are the true OE parts installed 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).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies

Product Specifications

Inside Diameter0.29 in / 7.4 mm
Outside Diameter0.37 in / 9.52 mm
Length23.7 in / 783.38 mm
ClassificationOE
MaterialRubber and Steel
Oil Resistant Outer CoatingNo
End 1 TypeThreaded Nut
End 2 TypeThreaded Nut

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

The following should be conducted by a qualified technician:

  • Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
  • Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
  • Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
  • Check the thickness of your brake pads.
  • Inspection of the brake hoses for brittleness or cracking.
  • Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
  • Inspection of wheel bearings and grease seals.
  • Parking brake adjustments (as needed).

Troubleshooting Tips:

  • Brake pedal pulsation (not to be confused with normal ABS operation).
  • Vehicle pulls to the left or right when brakes are applied.

ModelBody StyleTrimYear(s)
Silverado 2500 HDCab & ChassisLT, LTZ, WT2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Silverado 2500 HDCrew Cab PickupLT, LTZ, WT2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Silverado 2500 HDExtended Cab PickupLT, LTZ, WT2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Silverado 2500 HDStandard Cab PickupLT, LTZ, WT2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Silverado 2500 HD Classic2007