How to replace the Power Vacuum Brake Booster (LHD) on Cadillac CTS?

Start Brake Booster replacement by unplugging the instrument panel protectant from the left side of the vehicle. Unplug the power brake pedal sensor connector while loosening the booster Pushrod nut. Pull the Pushrod off its connection at both ends and take out the cross vehicle brace on equipped models. Detach both electrical wires from the brake fluid sensor unit plus the hose that links to the power vacuum Brake Booster check valve. Fix the master cylinder in place without disconnecting fittings by loosening nuts and placing it aside using heavy mechanics wire. Take the surge tank out from its air inlet grill panel but keep connected hoses stable. Reshape the j-22805-b - Brake Booster holder by creating wider mounting openings to match the separation of the master cylinder mounting studs. Install the new holder on the master cylinder studs and tighten it with its original nuts. Press the brake locking tab using a flat tool and turn the holder and booster counterclockwise to unhook the booster from its bracket. Take the booster forward out of position to reach the Pushrod retaining clip while releasing and detaching the Pushrod from the booster. Disconnect the booster from your vehicle and if needed you must take out the Pushrod through the dust boot from inside the car. Put the Pushrod through the dust boot (if removed earlier) then fit in the vacuum Brake Booster. Press the foam filter to open the retaining space and connect the Pushrod into the booster before securing it with the retaining clip. Make the booster fit onto the bracket and turn the j-22805-b - Brake Booster holder clockwise to lock the tab into the bracket flange position. Install the master cylinder to the booster and use new nuts tightened to 25 nm (18 lb ft). Afterward remove the holder and throw away the master cylinder nuts. Apply denatured alcohol sparingly on check valve and hose components when joining them together. Connect the brake fluid sensor electrical link while you put back the air intake frame cover and surge tank. Put back the cross vehicle brace and link the Pushrod to the brake pedal base; tighten the rod nut to 9 nm (80 lb in). Reactivate the brake pedal position sensor electrical connector and partake in a sensor reset before reinstalling the insulator panel left side.

How to replace the hydraulic brake booster on Cadillac Escalade?

You should start replacement of the hydraulic Brake Booster by activating the park brake and blocking the wheels before proceeding. Disengage the inlet hose and steering gear and return hoses from the booster assembly but prevent all pipe removal from the master cylinder. After disconnecting the master cylinder to hydraulic booster nuts you must place the master cylinder in the engine compartment. First detach the stop lamp switch then disconnect the booster from its bulkhead mounts before pulling both the booster assembly with its gasket out. Start installation with the gasket while positioning the booster assembly second. The 4 booster to bulkhead nuts require tightening to 33 n.m (24 lb ft) before installing the stop lamp switch. Plug in the Brake Booster to its master cylinder position and seal the connecting hoses including return hose and steering gear and inlet hoses by tightening their nuts to 33 n.m (24 lb ft). Close off the hydraulic booster system bleeding procedure then unfasten the park brake and open the wheels.

OEM Cadillac Brake Booster

Brake Power Booster

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68 Brake Boosters found

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Cadillac Brake Booster Part Number: 20840619
$109.64 MSRP: $192.37
You Save: $82.73 (44%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Replaces: 20840617, 20800051, 25847719, 20800049
Fits the following Cadillac Models:
- CTS | 2009 | Base | 6 Cyl 3.6 L GAS
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Cadillac Master Cylinder Part Number: 84678193
$196.88 MSRP: $356.33
You Save: $159.45 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Booster Kit-Power Brake (Vacuum); Booster Assembly; Booster Kit, Vacuum Power Brake
- Replaces: 84073046, 84559498
Fits the following Cadillac Models:
- CT6 | 2016-2020 | Base, Luxury, Platinum, Premium Luxury, Sport | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 4.2 L GAS
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Cadillac Master Cylinder Part Number: 84073045
$100.19 MSRP: $181.34
You Save: $81.15 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Kit, Brake Master Cylinder; Brake Master Cylinder; Brake Booster
- Replaced by: 84678201
Fits the following Cadillac Models:
- CT6 | 2016-2020 | Base, Luxury, Platinum, Premium Luxury, Sport | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 4.2 L GAS
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Cadillac 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
Fits the following Cadillac Models:
- Escalade | 2021-2022 | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum | 6 Cyl 3.0 L DIESEL, 8 Cyl 6.2 L GAS
- Escalade ESV | 2021-2022 | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum | 6 Cyl 3.0 L DIESEL, 8 Cyl 6.2 L GAS
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Cadillac Brake Booster Part Number: 84614709
$104.85 MSRP: $205.28
You Save: $100.43 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaces: 84456300, 23415092
Fits the following Cadillac Models:
- ATS | 2013-2018 | Base, Luxury, Performance, Premium, Premium Luxury, Premium Performance, V | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- CTS | 2016-2019 | V | 8 Cyl 6.2 L GAS
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Cadillac Brake Booster Part Number: 20840618
$132.12 MSRP: $236.99
You Save: $104.87 (45%)
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
Fits the following Cadillac Models:
- CTS | 2010-2014 | Base, Luxury, Performance, Premium, V | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS, 8 Cyl 6.2 L GAS
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Cadillac Brake Booster Part Number: 88967236
Product Specifications
- Other Name: Booster, Power Brake; Booster Assembly; Booster, Hydraulic Power Brake Booster
Fits the following Cadillac Models:
- CTS | 2003-2007 | Base, Luxury, Luxury Sport, V | 6 Cyl 2.8 L GAS, 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
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Cadillac Brake Booster Part Number: 19371352
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
- Replaces: 15150633, 15710166, 15757258, 15192200, 15003100
Fits the following Cadillac Models:
- Escalade | 1999-2000 | Base | 8 Cyl 5.7 L GAS
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Cadillac Brake Booster Part Number: 20840616
$171.79 MSRP: $308.14
You Save: $136.35 (45%)
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaces: 20800047, 25847716
Fits the following Cadillac Models:
- CTS | 2009-2015 | Base, V, Vsport, Vsport Premium | 6 Cyl 3.6 L GAS, 8 Cyl 6.2 L GAS
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Cadillac Brake Booster Part Number: 15237321
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
Fits the following Cadillac Models:
- DTS | 2006-2011 | Base, Livery, Luxury, Platinum, Premium | 8 Cyl 4.6 L GAS
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Cadillac Brake Booster Part Number: 20800045
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaces: 20762405
Fits the following Cadillac Models:
- STS | 2009 | V | 8 Cyl 4.4 L GAS
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Cadillac 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
Fits the following Cadillac Models:
- Escalade | 2007-2008 | Base, Platinum | 8 Cyl 6.2 L GAS
- Escalade ESV | 2007-2008 | Base, Platinum | 8 Cyl 6.2 L GAS
- Escalade EXT | 2007-2008 | Base | 8 Cyl 6.2 L GAS
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Cadillac Brake Booster Part Number: 84172388
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster
- Replaces: 25845639
Fits the following Cadillac Models:
- XLR | 2009 | Platinum, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
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Cadillac Brake Booster Part Number: 15237762
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Power Booster
- Replaces: 18047897
Fits the following Cadillac Models:
- XLR | 2004-2008 | Base, Platinum, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
View related parts
Cadillac Brake Booster Part Number: 20800046
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
- Replaces: 25847715, 19303634
Fits the following Cadillac Models:
- STS | 2009-2011 | Base, Platinum | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
View related parts
Cadillac Brake Booster Part Number: 88967254
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster; Booster Assembly
Fits the following Cadillac Models:
- STS | 2006-2008 | V | 8 Cyl 4.4 L GAS
View related parts
Cadillac Brake Booster Part Number: 9054184
Product Specifications
- Other Name: Booster, Power Brake; Booster Assembly; Booster, Hydraulic Power Brake Booster
- Replaces: 15267511
Fits the following Cadillac Models:
- CTS | 2008 | Base | 6 Cyl 3.6 L GAS
View related parts
Cadillac Brake Booster Part Number: 18044442
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
Fits the following Cadillac Models:
- Eldorado | 2001 | ESC, ETC | 8 Cyl 4.6 L GAS
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Cadillac Brake Booster Part Number: 88967237
Product Specifications
- Other Name: Booster, Power Brake; Booster Assembly
- Replaces: 18048695
Fits the following Cadillac Models:
- SRX | 2004-2009 | Base | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
View related parts
Cadillac Brake Booster Part Number: 18029922
Product Specifications
- Other Name: Booster, Hydraulic Power Brake Booster
Fits the following Cadillac Models:
- DeVille | 1994-1995 | Base | 8 Cyl 4.9 L GAS

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Cadillac Brake Booster

Choose OEM Brake Booster, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Cadillac's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Cadillac Brake Booster. You can shop at highly competitive prices and protect your budget. All our genuine Cadillac parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Cadillac Brake Booster reduces the effort of the pedal by increasing hydraulic force to make swift confident stops. Cadillac was founded in 1902 and cut a niche as crisp lines combined and solid road manners. Drivers compliment the silent cabins, ingenious shows, and a ride that is smoother than competitors. Each of the models is luxurious, but not flashy with pretense, allowing the badge to be eloquent with proportional power and grace. Cadillac remains agitation and launches electric sedans such as Celestiq with glass roofs and wall-to-wall touchscreens. Tradition collides with technology, and both old and new adopters feel the movement. Comfort is manifested in small details, ranging to the embroidered dashboard down to the seats that will fit into the car without becoming sore during a road journey. The brand continues to update interfaces such that menus scroll like smartphones and updates are over-the-air and not limited to dealership waiting areas. Simply put the Brake Booster is placed between the pedal and the master cylinder and makes an engine vacuum within a closed chamber work to transform the light foot press into serious hydraulic pressure. A check valve protects the vacuum as internal diaphragms control atmospheric push and thus preventing power remains firm even when in traffic crawl. In cases where there is low vacuum supply, a hydraulic type Brake Booster may tap into the power-steering pressure to maintain sharp and repeatable braking response. All Cadillac Brake Boosters are available in performance or standard tunes, giving the driver the option to change units or kits whenever they want a more sportive Brake Booster pedal feel.

Cadillac Brake Booster Parts and Q&A

Brake Booster
20840618
Q: How to replace the Power Vacuum Brake Booster (LHD) on Cadillac CTS?
A:
Start Brake Booster replacement by unplugging the instrument panel protectant from the left side of the vehicle. Unplug the power brake pedal sensor connector while loosening the booster Pushrod nut. Pull the Pushrod off its connection at both ends and take out the cross vehicle brace on equipped models. Detach both electrical wires from the brake fluid sensor unit plus the hose that links to the power vacuum Brake Booster check valve. Fix the master cylinder in place without disconnecting fittings by loosening nuts and placing it aside using heavy mechanics wire. Take the surge tank out from its air inlet grill panel but keep connected hoses stable. Reshape the j-22805-b - Brake Booster holder by creating wider mounting openings to match the separation of the master cylinder mounting studs. Install the new holder on the master cylinder studs and tighten it with its original nuts. Press the brake locking tab using a flat tool and turn the holder and booster counterclockwise to unhook the booster from its bracket. Take the booster forward out of position to reach the Pushrod retaining clip while releasing and detaching the Pushrod from the booster. Disconnect the booster from your vehicle and if needed you must take out the Pushrod through the dust boot from inside the car. Put the Pushrod through the dust boot (if removed earlier) then fit in the vacuum Brake Booster. Press the foam filter to open the retaining space and connect the Pushrod into the booster before securing it with the retaining clip. Make the booster fit onto the bracket and turn the j-22805-b - Brake Booster holder clockwise to lock the tab into the bracket flange position. Install the master cylinder to the booster and use new nuts tightened to 25 nm (18 lb ft). Afterward remove the holder and throw away the master cylinder nuts. Apply denatured alcohol sparingly on check valve and hose components when joining them together. Connect the brake fluid sensor electrical link while you put back the air intake frame cover and surge tank. Put back the cross vehicle brace and link the Pushrod to the brake pedal base; tighten the rod nut to 9 nm (80 lb in). Reactivate the brake pedal position sensor electrical connector and partake in a sensor reset before reinstalling the insulator panel left side.
Brake Booster
19432808
Q: How to replace the hydraulic brake booster on Cadillac Escalade?
A:
You should start replacement of the hydraulic Brake Booster by activating the park brake and blocking the wheels before proceeding. Disengage the inlet hose and steering gear and return hoses from the booster assembly but prevent all pipe removal from the master cylinder. After disconnecting the master cylinder to hydraulic booster nuts you must place the master cylinder in the engine compartment. First detach the stop lamp switch then disconnect the booster from its bulkhead mounts before pulling both the booster assembly with its gasket out. Start installation with the gasket while positioning the booster assembly second. The 4 booster to bulkhead nuts require tightening to 33 n.m (24 lb ft) before installing the stop lamp switch. Plug in the Brake Booster to its master cylinder position and seal the connecting hoses including return hose and steering gear and inlet hoses by tightening their nuts to 33 n.m (24 lb ft). Close off the hydraulic booster system bleeding procedure then unfasten the park brake and open the wheels.