How to remove and install a brake master cylinder on Chevrolet Express?

The brake master cylinder is located in the engine compartment and mounted on the power brake booster. Remove the brake master cylinder by first extracting as much fluid from the reservoir as possible using a syringe or turkey baster. Place rags under fluid fittings and get caps or plastic bags to cover ends of lines when disconnected. To avoid contamination, loosen connectors at the ends of brake lines and fill up their other sides. If there is one, unplug electrical connection from the brake fluid level switch and then detach nuts which hold down brake master cylinders to power boosters. Carefully take off a brake master cylinder from studs (or pins) inside an engine compartment. When mounting a new one, take out that reservoir from old part and put it into a newly bought one for it to be installed properly. For instance, set up this device in vices before bench bleeding it by connecting bleeder tubes over outlet ports; then pour some hydraulic liquid into this container with slow compression of pistons in order to remove air inclusions; keep repeating such procedures until no more bubbles appear during these processes; eventually you should remove these tubes while putting plugs into empty openings; after screwing these devices back onto power boosters of vehicles tighten their fastening elements with great care; while filling given container with fluid go ahead with bleeding operations concerning this particular element combined with entire mechanisms controlling cars' performance on roads today; and finally check if brakes work good enough before giving permission to use your autos under normal conditions again. Take away most of oil present in case you want to replace this container itself or even just o-ring seals: so detach reservoirs out of braking systems' masters but lubricate new seals before they are slipped on both connections again so that it can be fixed firmly right there; refill tanks using such oils tightly sealed against leakage-thus processing may be considered completed only after everything has been checked once more together via initial bleeding points which are guaranteed to be followed strictly.

Genuine Chevrolet Express Brake Master Cylinder

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14 Brake Master Cylinders found

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Chevrolet Express Brake Master Cylinder
Part Number: 19420962
$163.95 MSRP: $319.59
You Save: $155.64 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: CYLINDER ASM,BRK MAS; Master Cylinder
- Replaces: 15935845, 84397946, 84543807
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2018 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 4 Cyl 2.8L Diesel, 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel
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Chevrolet Express Brake Master Cylinder
Part Number: 19420963
$199.19 MSRP: $384.93
You Save: $185.74 (49%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: CYLINDER ASM,BRK MAS; Master Cylinder
- Replaces: 15936936, 84397947
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2017 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 4 Cyl 2.8L Diesel, 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel
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Chevrolet Express CYLINDER ASM-BRK MAS
Part Number: 85105169
$134.70 MSRP: $264.88
You Save: $130.18 (50%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Master Cylinder
- Replaces: 84397948, 84543808, 84680664, 84873078
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2024 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 4 Cyl 2.8L Diesel, 6 Cyl 4.3L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L
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Chevrolet Express Brake Master Cylinder
Part Number: 19420965
$191.71 MSRP: $361.72
You Save: $170.01 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: CYLINDER ASM,BRK MAS; Master Cylinder
- Replaces: 25809242
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2014 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA | 6 Cyl 4.3L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Brake Master Cylinder Assembly
Part Number: 19209189
Product Specifications
- Other Name: CYLINDER, Brake Master Cylinder; Master Cylinder
- Replaces: 15146189, 15106442
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 4.8L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Brake Master Cylinder Assembly
Part Number: 19209236
Product Specifications
- Other Name: CYLINDER, Brake Master Cylinder; Master Cylinder
- Replaces: 18047519
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
View related parts
Chevrolet Express Brake Master Cylinder Assembly
Part Number: 19209268
Product Specifications
- Other Name: CYLINDER, Brake Master Cylinder; Master Cylinder
- Replaces: 18060792, 18029954
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L, 8 Cyl 8.1L
View related parts
Chevrolet Express Brake Master Cylinder
Part Number: 19420993
$151.56 MSRP: $273.08
You Save: $121.52 (45%)
Product Specifications
- Other Name: CYLINDER ASM,BRK MAS; Master Cylinder
- Replaces: 25809241
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2010 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA | 6 Cyl 4.3L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Brake Master Cylinder Assembly
Part Number: 19209267
Product Specifications
- Other Name: CYLINDER, Brake Master Cylinder; Master Cylinder
- Replaces: 18060791, 18029955
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel
View related parts
Chevrolet Express Brake Master Cylinder Assembly
Part Number: 25865166
Product Specifications
- Other Name: CYLINDER, Brake Master Cylinder; Master Cylinder
- Replaces: 15795984, 15795983
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 4.8L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Brake Master Cylinder Assembly
Part Number: 19209198
Product Specifications
- Other Name: CYLINDER, Brake Master Cylinder; Master Cylinder
- Replaces: 15269590, 89040423
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Chevrolet Express | 1 TON PASSENGER | 8 Cyl 4.8L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Brake Master Cylinder Assembly
Part Number: 19209206
Product Specifications
- Other Name: CYLINDER, Brake Master Cylinder; Master Cylinder
- Replaces: 15880724
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 5.3L
View related parts
Chevrolet Express Brake Master Cylinder Assembly
Part Number: 19209234
Product Specifications
- Other Name: CYLINDER, Brake Master Cylinder; Master Cylinder
- Replaces: 18047512
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Brake Master Cylinder Assembly
Part Number: 25865167
Product Specifications
- Other Name: CYLINDER, Brake Master Cylinder; Master Cylinder
- Replaces: 15835280
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 5.3L

Chevrolet Express Brake Master Cylinder

The Chevrolet Express Brake Master Cylinder converts the driver's pedal pressure into hydraulic pressure that grips pads or shoes against wheels to provide control over stopping power. Housed in cast iron or aluminum, this unit contains twin pistons because of rules since 1967 that require dual circuits to be applied. Thus, if one of the hydraulic paths fails, the other slows the van. Pressing the brake pedal pushes a rod that moves the pistons forward, creating a build-up of pressure in the fluid, and a spring snaps them back when the pedal is lifted to keep the ports in the reservoir open for supply. Early designs applied an integral reservoir made of metal and held in place with a bail, but most later designs applied an external reservoir sealed by O-rings and twist caps, which allowed for easier fluid checks and reduced weight. Regular fluid changes help the Chevrolet unit to last, but the Express schedule recommends inspection when the Brake Master Cylinder cap is removed. Styles have similar protection against leaks, but moisture or age can cause corrosion on the bore or hardening on seals, causing a sinking pedal and the need to replace the Brake Master Cylinder. Drivers should keep an eye out for the presence of dampness where the Brake Master Cylinder meets the booster, as drips or bypassing is an indication that the Brake Master Cylinder is failing. Whether integral or remote-reservoir, every Chevrolet Express depends on this precise hydraulic pump to ensure confident.

Each OEM Chevrolet Express Brake Master Cylinder we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Express Brake Master Cylinder Parts Questions & Experts Answers

Brake Master Cylinder
19420962
Q: How to remove and install a brake master cylinder on Chevrolet Express?
A:
The brake master cylinder is located in the engine compartment and mounted on the power Brake Booster. Remove the brake master cylinder by first extracting as much fluid from the reservoir as possible using a syringe or turkey baster. Place rags under fluid fittings and get caps or plastic bags to cover ends of lines when disconnected. To avoid contamination, loosen connectors at the ends of Brake Lines and fill up their other sides. If there is one, unplug electrical connection from the brake fluid level switch and then detach nuts which hold down brake master cylinders to power boosters. Carefully take off a brake master cylinder from studs (or pins) inside an engine compartment. When mounting a new one, take out that reservoir from old part and put it into a newly bought one for it to be installed properly. For instance, set up this device in vices before bench bleeding it by connecting bleeder tubes over outlet ports; then pour some hydraulic liquid into this container with slow compression of pistons in order to remove air inclusions; keep repeating such procedures until no more bubbles appear during these processes; eventually you should remove these tubes while putting plugs into empty openings; after screwing these devices back onto power boosters of vehicles tighten their fastening elements with great care; while filling given container with fluid go ahead with bleeding operations concerning this particular element combined with entire mechanisms controlling cars' performance on roads today; and finally check if brakes work good enough before giving permission to use your autos under normal conditions again. Take away most of oil present in case you want to replace this container itself or even just o-ring seals: so detach reservoirs out of braking systems' masters but lubricate new seals before they are slipped on both connections again so that it can be fixed firmly right there; refill tanks using such oils tightly sealed against leakage-thus processing may be considered completed only after everything has been checked once more together via initial bleeding points which are guaranteed to be followed strictly.