How to replace the power vacuum brake booster on GMC Yukon?

Start by setting the parking brake and exhaust the vacuum supply by pressing the Brake Pedal three times until it becomes solid. Separate the electrical wires connected to the dod sensor and active booster before removing the vacuum hose from the check valve and taking out the master cylinder nuts while maintaining the connection between brake pipes and the master cylinder. Secure the master cylinder out of the way using mechanics wire before you eliminate the Brake Booster pushrod retainer bolt and both the pushrod retainer and stoplamp switch . Disconnect the pushrod from its Brake Pedal fastening and take out the Brake Booster through its mounting nuts while discarding the gasket. Set the new Brake Booster gasket in place then position the power vacuum Brake Booster with help during installation. Begin by tightening both right-upper and Brake Booster nuts to 33 n.m (24 lb ft). Thread the Brake Booster pushrod into the Brake Pedal pivot hole while adding the stoplamp switch, Brake Booster pushrod retainer, and bolt. Tighten the bolt sequentially to 10 n.m (89 lb in). Install the vacuum hose from the check valve to its proper position while attaching electrical connections to both sensors. Then install the master cylinder by hand and tighten its nuts to 33 n.m (24 lb ft).

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%)
Ships in 1-2 Business Days
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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
$912.86 MSRP: $1442.81
You Save: $529.95 (37%)
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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
$912.86 MSRP: $1442.81
You Save: $529.95 (37%)
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 Questions & Experts Answers

Brake Booster
19432808
Q: How to replace the power vacuum brake booster on GMC Yukon?
A:
Start by setting the parking brake and exhaust the vacuum supply by pressing the Brake Pedal three times until it becomes solid. Separate the electrical wires connected to the dod sensor and active booster before removing the vacuum hose from the check valve and taking out the master cylinder nuts while maintaining the connection between brake pipes and the master cylinder. Secure the master cylinder out of the way using mechanics wire before you eliminate the Brake Booster pushrod retainer bolt and both the pushrod retainer and stoplamp switch . Disconnect the pushrod from its Brake Pedal fastening and take out the Brake Booster through its mounting nuts while discarding the gasket. Set the new Brake Booster gasket in place then position the power vacuum Brake Booster with help during installation. Begin by tightening both right-upper and Brake Booster nuts to 33 n.m (24 lb ft). Thread the Brake Booster pushrod into the Brake Pedal pivot hole while adding the stoplamp switch, Brake Booster pushrod retainer, and bolt. Tighten the bolt sequentially to 10 n.m (89 lb in). Install the vacuum hose from the check valve to its proper position while attaching electrical connections to both sensors. Then install the master cylinder by hand and tighten its nuts to 33 n.m (24 lb ft).