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ACDelco 18M201 Brake Master Cylinder

ACDelco 18M201 Brake Master Cylinder Image 3

ACDelco 18M201 Brake Master Cylinder Image 4

ACDelco 18M201 Brake Master Cylinder Image 5

ACDelco 18M201 Brake Master Cylinder Image 6

ACDelco 18M201 Brake Master Cylinder Image 7

ACDelco 18M201 Brake Master Cylinder Image 8


Brand:	ACDelco
Part Number:	18M201
UPC:	00707773315002
Weight:	3.55 lbs
Condition:	New

On Sale:

$102.33

Availability:

19 in Stock

Warehouse:

US-12

Quantity:

Product Information

Description:

Get the ACDelco 18M201 Brake Master Cylinder for your vehicle. Buy now and secure your purchase online!

ACDelco Professional Brake Master Cylinders use both aluminum and iron castings, making them a high quality replacement for many vehicles on the road today. These master cylinders contain both Ethylene Propylene (EPDM) and Styrene Butadiene (SBR) rubber components to provide superior resistance to heat, corrosion, and leakage. ACDelco Professional Brake Master Cylinders are ready to bench bleed and install right out of the box - no assembly required. These premium aftermarket replacement brake master cylinders are manufactured to meet your expectations for fit, form, and function. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

Cast iron and aluminum specifications; no extra stress on the brake boosting mounting
Geometrical tolerance ensures that the body and plastic reservoir match for a proper fit
Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality
Piston assembly and return spring help to prevent brake drag, which can cause premature brake pad wear
Pressure tested to ensure safe and confident braking

Specifications:

Bleeder Hoses Included:

Yes

Bore Size:

0.875 in.

Brake Booster Included:

Brake Pressure Switch Quantity:

Brake Pressure Switch(s) Included:

Height (in):

5.6 in

Length (in):

11.3 in

Master Cylinder Bore Diameter:

0.875 in.

Master Cylinder Bore Diameter:

22.225 mm

Master Cylinder Cap Included:

Yes

Master Cylinder Material:

Aluminum

Mounting Bracket Included:

Mounting Hole Diameter:

0.423 in.

Mounting Hole Quantity:

Port Quantity:

Primary Outlet Thread Diameter:

0.472 in.

Primary Outlet Thread Diameter:

12 mm

Programming Required:

Push Rod Included:

Reservoir Included:

Yes

Secondary Outlet Thread Diameter:

0.629 in.

Secondary Outlet Thread Diameter:

16 mm

Weight (lb):

3.55 lb

Width (in):

7.7 in

Features and Benefits:

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

Specifications:

Country of Origin:

Select a vehicle to narrow ACDelco 18M201 Brake Master Cylinder fitment info!

Last Updated: 03/09/2024

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

1986

Buick Century

2.8L V6 Gas OHV

1 Professional
with Light Duty Brakes
GM Brake Code JA1

Buick Century

2.8L V6 Gas OHV Professional
with Light Duty Brakes
GM Brake Code JA1

1 Per Vehicle

Buick Century

2.5L L4 Gas OHV,
3.8L V6 Gas OHV

1 Professional
with Light Duty Brakes
GM Brake Code JA1

Buick Century

2.5L L4 Gas OHV,
3.8L V6 Gas OHV Professional
with Light Duty Brakes
GM Brake Code JA1

1 Per Vehicle

1985

Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

1 Professional
with Light Duty Brakes
GM Brake Code JA1

Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV Professional
with Light Duty Brakes
GM Brake Code JA1

1 Per Vehicle

1984

Buick Century

3.8L V6 Gas OHV

1 Professional
with Light Duty, Medium Duty Brakes
GM Brake Code JA1,JA8

Buick Century

3.8L V6 Gas OHV Professional
with Light Duty, Medium Duty Brakes
GM Brake Code JA1,JA8

1 Per Vehicle

Buick Century

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

1 Professional
with Light Duty, Medium Duty Brakes
GM Brake Code JA1,JA8

Buick Century

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
4.3L V6 Diesel OHV Professional
with Light Duty, Medium Duty Brakes
GM Brake Code JA1,JA8

1 Per Vehicle

Buick Skyhawk

1.8L L4 Gas SOHC Turbo

1 Professional

Buick Skyhawk

Buick Skyhawk

1.8L L4 Gas SOHC,
2.0L L4 Gas OHV

1 Professional

Buick Skyhawk

1.8L L4 Gas SOHC,
2.0L L4 Gas OHV Professional

1 Per Vehicle

1986

Buick Skylark

3.0L V6 Gas OHV

1 Professional
Power Brakes

Buick Skylark

3.0L V6 Gas OHV Professional
Power Brakes

1 Per Vehicle

Buick Skylark

2.5L L4 Gas OHV

ACDelco 18M201 Brake Master Cylinder

$102.33

Product Information

Description:

Features and Benefits:

Specifications:

Features and Benefits:

Specifications:

Select a vehicle to narrow ACDelco 18M201 Brake Master Cylinder fitment info!

Buick Century 2.8L V6 Gas OHV

1

Professionalwith Light Duty Brakes GM Brake Code JA1

Buick Century

2.8L V6 Gas OHV Professionalwith Light Duty Brakes GM Brake Code JA1 1 Per Vehicle

Buick Century 2.5L L4 Gas OHV,3.8L V6 Gas OHV

1

Professionalwith Light Duty Brakes GM Brake Code JA1

Buick Century

2.5L L4 Gas OHV,3.8L V6 Gas OHV Professionalwith Light Duty Brakes GM Brake Code JA1 1 Per Vehicle

Buick Century 3.0L V6 Gas OHV,4.3L V6 Diesel OHV

1

Professionalwith Light Duty Brakes GM Brake Code JA1

Buick Century

3.0L V6 Gas OHV,4.3L V6 Diesel OHV Professionalwith Light Duty Brakes GM Brake Code JA1 1 Per Vehicle

Buick Century 3.8L V6 Gas OHV

1

Professionalwith Light Duty, Medium Duty Brakes GM Brake Code JA1,JA8

Buick Century

3.8L V6 Gas OHV Professionalwith Light Duty, Medium Duty Brakes GM Brake Code JA1,JA8 1 Per Vehicle

Buick Century 2.5L L4 Gas OHV,3.0L V6 Gas OHV,4.3L V6 Diesel OHV

1

Professionalwith Light Duty, Medium Duty Brakes GM Brake Code JA1,JA8

Buick Century

2.5L L4 Gas OHV,3.0L V6 Gas OHV,4.3L V6 Diesel OHV Professionalwith Light Duty, Medium Duty Brakes GM Brake Code JA1,JA8 1 Per Vehicle

Buick Skyhawk 1.8L L4 Gas SOHC Turbo

1

Professional

Buick Skyhawk

1.8L L4 Gas SOHC Turbo Professional 1 Per Vehicle

Buick Skyhawk 1.8L L4 Gas SOHC,2.0L L4 Gas OHV

1

Professional

Buick Skyhawk

1.8L L4 Gas SOHC,2.0L L4 Gas OHV Professional 1 Per Vehicle

Buick Skylark 3.0L V6 Gas OHV

1

ProfessionalPower Brakes

Buick Skylark

3.0L V6 Gas OHV ProfessionalPower Brakes 1 Per Vehicle

Buick Skylark 2.5L L4 Gas OHV

1

ProfessionalPower Brakes

Buick Skylark

2.5L L4 Gas OHV ProfessionalPower Brakes 1 Per Vehicle

Buick Skylark 2.8L V6 Gas OHV

1

ProfessionalPower Brakes

Buick Skylark

2.8L V6 Gas OHV ProfessionalPower Brakes 1 Per Vehicle

Buick Somerset 2.5L L4 Gas OHV,3.0L V6 Gas OHV

1

Professional

Buick Somerset

2.5L L4 Gas OHV,3.0L V6 Gas OHV Professional 1 Per Vehicle

Buick Somerset Regal 2.5L L4 Gas OHV,3.0L V6 Gas OHV

1

ProfessionalPower Brakes

Buick Somerset Regal

2.5L L4 Gas OHV,3.0L V6 Gas OHV ProfessionalPower Brakes 1 Per Vehicle

Cadillac Cimarron 2.0L L4 Gas OHV

1

Professional

Cadillac Cimarron

2.0L L4 Gas OHV Professional 1 Per Vehicle

Chevrolet Cavalier 2.0L L4 Gas OHV

1

Professional

Chevrolet Cavalier

2.0L L4 Gas OHV Professional 1 Per Vehicle

Chevrolet Celebrity 2.5L L4 Gas OHV,2.8L V6 Gas OHV

Buick Century

2.8L V6 Gas OHV

Professional
with Light Duty Brakes
GM Brake Code JA1

2.8L V6 Gas OHV Professional
with Light Duty Brakes
GM Brake Code JA1

1 Per Vehicle

Buick Century

2.5L L4 Gas OHV,
3.8L V6 Gas OHV

Professional
with Light Duty Brakes
GM Brake Code JA1

2.5L L4 Gas OHV,
3.8L V6 Gas OHV Professional
with Light Duty Brakes
GM Brake Code JA1

1 Per Vehicle

Buick Century

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Professional
with Light Duty Brakes
GM Brake Code JA1

3.0L V6 Gas OHV,
4.3L V6 Diesel OHV Professional
with Light Duty Brakes
GM Brake Code JA1

1 Per Vehicle

Buick Century

3.8L V6 Gas OHV

Professional
with Light Duty, Medium Duty Brakes
GM Brake Code JA1,JA8

3.8L V6 Gas OHV Professional
with Light Duty, Medium Duty Brakes
GM Brake Code JA1,JA8

1 Per Vehicle

Buick Century

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
4.3L V6 Diesel OHV

Professional
with Light Duty, Medium Duty Brakes
GM Brake Code JA1,JA8

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
4.3L V6 Diesel OHV Professional
with Light Duty, Medium Duty Brakes
GM Brake Code JA1,JA8

1 Per Vehicle

Buick Skyhawk

1.8L L4 Gas SOHC Turbo

1.8L L4 Gas SOHC Turbo Professional

1 Per Vehicle

Buick Skyhawk

1.8L L4 Gas SOHC,
2.0L L4 Gas OHV

1.8L L4 Gas SOHC,
2.0L L4 Gas OHV Professional

1 Per Vehicle

Buick Skylark

3.0L V6 Gas OHV

Professional
Power Brakes

3.0L V6 Gas OHV Professional
Power Brakes

1 Per Vehicle

Buick Skylark

2.5L L4 Gas OHV

Professional
Power Brakes

2.5L L4 Gas OHV Professional
Power Brakes

1 Per Vehicle

Buick Skylark

2.8L V6 Gas OHV

Professional
Power Brakes

2.8L V6 Gas OHV Professional
Power Brakes

1 Per Vehicle

Buick Somerset

2.5L L4 Gas OHV,
3.0L V6 Gas OHV

2.5L L4 Gas OHV,
3.0L V6 Gas OHV Professional

1 Per Vehicle

Buick Somerset Regal

2.5L L4 Gas OHV,
3.0L V6 Gas OHV

Professional
Power Brakes

2.5L L4 Gas OHV,
3.0L V6 Gas OHV Professional
Power Brakes

1 Per Vehicle

Cadillac Cimarron

2.0L L4 Gas OHV

2.0L L4 Gas OHV Professional

1 Per Vehicle

Chevrolet Cavalier

2.0L L4 Gas OHV

2.0L L4 Gas OHV Professional

1 Per Vehicle

Chevrolet Celebrity

2.5L L4 Gas OHV,
2.8L V6 Gas OHV