How to replace the hydraulic brake booster on GMC Yukon?

The replacement of a hydraulic Brake Booster must begin with wheel blockage and application of the parking brake. Disengage all hoses between the inlet pipe and steering gear and return pipes from the booster assembly yet keep the master cylinder pipes intact. After removing the master cylinder to hydraulic booster nuts you should place the master cylinder in the engine compartment. After removing the stop lamp switch the next task is to remove 4 booster to bulkhead nuts before extracting booster assembly and its gasket from the vehicle. First place the gasket then proceed with the installation of the booster assembly. Install the four booster to bulkhead nuts then tighten them to 33 nm (24 lb ft). After correctly installing the stop lamp switch the master cylinder should be attached to the Brake Booster and secured with 33 nm (24 lb ft) torque. Complete the installation by connecting all return hose and steering gear and inlet hoses then perform hydraulic booster system bleeding and remove the park brake and unblock the wheels. Procedure requires attention because hydraulic brake systems employ power steering fluid in the Brake Booster yet require brake fluid to flow through master cylinder and brake pipes.

OEM GMC Yukon Brake Booster

Brake Power Booster

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17 Brake Boosters found

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GMC Yukon Brake Booster Part Number: 19371355
$403.72 MSRP: $781.92
You Save: $378.20 (49%)
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Hydro-Boost Assembly; Booster Assembly; Power Brake Booster
- Replaces: 15167549, 15183759, 15854058, 15212479, 15218248, 15126866, 15814410
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2006 GMC Yukon | Denali, SL, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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GMC Yukon Brake Master Cylinder Part Number: 86788482
$987.28 MSRP: $1680.82
You Save: $693.54 (42%)
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Product Specifications
- Other Name: CYLINDER ASM-BRK MAS(W/P/B BOOS&ELEK BRK), Master Cylinder, Master Cylinder Assembly; Master Cylinder Assembly
- Replaced by: 85077522
- Replaces: 84514095, 84514094, 84933511, 84821586, 85124356, 84702004, 84821585, 84933510, 84702005
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022 GMC Yukon | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Yukon Master Cylinder Part Number: 87815018
$908.75 MSRP: $1442.81
You Save: $534.06 (38%)
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Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Master Cylinder Assembly
- Replaced by: 85697531
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2023 GMC Yukon | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Yukon Master Cylinder Part Number: 85543517
$908.75 MSRP: $1442.81
You Save: $534.06 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Master Cylinder Assembly
- Replaced by: 85697531
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 GMC Yukon | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Yukon Master Cylinder Part Number: 19432805
$580.37 MSRP: $1119.51
You Save: $539.14 (49%)
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Brake Booster; Booster Assembly
- Replaces: 84164392, 22745515, 19417216, 22881356
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2014 GMC Yukon | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 6.2 L FLEX
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GMC Yukon Master Cylinder Part Number: 85543518
$1227.26 MSRP: $2394.64
You Save: $1167.38 (49%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Master Cylinder Assembly
- Replaces: 84926393, 85124747
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 GMC Yukon | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Yukon Brake Booster Part Number: 84602473
$106.18 MSRP: $207.87
You Save: $101.69 (49%)
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly; Booster
- Replaces: 23135220
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2020 GMC Yukon | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Yukon Brake Booster Part Number: 19432806
$466.92 MSRP: $906.20
You Save: $439.28 (49%)
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaces: 19417219, 25827889, 84177387
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 GMC Yukon | Denali, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX
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GMC Yukon Brake Booster Part Number: 19432803
$345.73 MSRP: $671.00
You Save: $325.27 (49%)
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaces: 20877277, 84164393, 19417211, 20896308
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2011 GMC Yukon | Denali, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX
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GMC Yukon Brake Booster Part Number: 19371352
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Replaces: 15150633, 15710166, 15757258, 15192200, 15003100
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC Yukon | Denali, SL, SLE, SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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GMC Yukon Brake Booster Part Number: 18029985
Product Specifications
- Other Name: Booster, Power Brake; Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 GMC Yukon | Base, SLE, SLT, Sport | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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GMC Yukon Brake Booster Part Number: 18029961
Product Specifications
- Other Name: Booster, Power Brake (Vacuum); Booster Assembly; Booster, Vacuum Power Brake
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997 GMC Yukon | SL, SLE, SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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GMC Yukon Brake Booster Part Number: 15607066
Product Specifications
- Other Name: Booster, Power Brake (Hydraulic); Booster, Hydraulic Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 GMC Yukon | Base, GT, SLE, Sport | 8 Cyl 5.7 L GAS
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GMC Yukon Brake Booster Part Number: 88967101
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaces: 18047186, 89040683
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 GMC Yukon | Denali, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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GMC Yukon Brake Booster Part Number: 18060777
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaces: 18040258, 18042073
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2003 GMC Yukon | Denali, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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GMC Yukon Brake Booster Part Number: 18060072
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster, Vacuum Power Brake
- Replaces: 18013061
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 GMC Yukon | Base, GT, SLE, Sport | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
View related parts
GMC Yukon Brake Booster Part Number: 19432808
$312.98 MSRP: $561.39
You Save: $248.41 (45%)
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly; Booster, Vacuum Power Brake
- Replaces: 15276502, 19417224, 84164389, 15947019, 15856781
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2008 GMC Yukon | Denali, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS

GMC Yukon Brake Booster

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The Brake Booster in GMC Yukon cars is a very important component that lessens the amount of force that is required to set off the brakes. The Brake Booster actually works with the help of a vacuum chamber that increases the hydraulic pressure coming from the master cylinder and in turn increases the force that is exerted from the brake pedal by the driver. There are two main types of boosters used in Yukon vehicles: vacuum-operated boosters, and hydraulic boosters. In vacuum boosters, the pressure difference between the engine vacuum and the atmospheric pressure is used while in hydraulic boosters, the brake application aid rely on fluid pressure. As a result of this, size and type of booster can influence the degree of power assistance that is offered, more especially where large diameters give better assistance. Also, the Brake Booster is a relatively sound unit, which sometimes may malfunction and may require a service or renewal.

GMC Yukon Brake Booster Parts and Q&A

Brake Booster
19432803
Q: How to replace the hydraulic brake booster on GMC Yukon?
A:
The replacement of a hydraulic Brake Booster must begin with wheel blockage and application of the parking brake. Disengage all hoses between the inlet pipe and steering gear and return pipes from the booster assembly yet keep the master cylinder pipes intact. After removing the master cylinder to hydraulic booster nuts you should place the master cylinder in the engine compartment. After removing the stop lamp switch the next task is to remove 4 booster to bulkhead nuts before extracting booster assembly and its gasket from the vehicle. First place the gasket then proceed with the installation of the booster assembly. Install the four booster to bulkhead nuts then tighten them to 33 nm (24 lb ft). After correctly installing the stop lamp switch the master cylinder should be attached to the Brake Booster and secured with 33 nm (24 lb ft) torque. Complete the installation by connecting all return hose and steering gear and inlet hoses then perform hydraulic booster system bleeding and remove the park brake and unblock the wheels. Procedure requires attention because hydraulic brake systems employ power steering fluid in the Brake Booster yet require brake fluid to flow through master cylinder and brake pipes.