ACDelco® 18M995 - Professional™ Brake Master Cylinder

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Product Details

ACDelco Parts and Accessories

Professional™ Brake Master Cylinder by ACDelco®. New. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards.


Primary Outlet Thread: 9.525 mm
Secondary Outlet Thread: 3.175 mm
Mounting Hole Quantity: 2
Master Cylinder Material: Cast Iron
Port Quantity: 1
Brake Booster Included: No
Master Cylinder Cap Included: Yes
Pushrod Included: No
Reservoir Included: Yes
Bleeder Hoses Included: Yes
Mounting Bracket Included: No


  • Engineered to exacting tolerances for outstanding performance
  • Built to fit most cars on the road today
  • Quiet, long-life design for trouble-free ownership experience

ACDelco is here with excellent products that are available at a competitive price. The company does its utmost to provide the best possible solutions for your needs. All products by ACDelco are made with expert care and created by professionals to meet all your requirements. The company does not accept compromises when it is going about quality, so you can be sure that all products have only first-rate quality. With many years of manufacturing experience, ACDelco is the name you can trust.

ACDelco®, a brand of GM Customer Care and Aftersales, is a global automotive manufacturer of premium replacement parts for almost all vehicle systems as well as off-road, industrial, and marine equipment. With more than hundred years of manufacturing experience, the company offers an extensive line of brake pads and rotors, belts and hoses, shocks and struts, alternators and starters, thermostats and caps, fuel pumps, and many more trustworthy and top-quality products.

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Warranty Information

This limited warranty is extended only to the original purchaser of ACDelco products and services from a member of the ACDelco Service Center Program. This limited warranty is made by the Independent Repair Facility ("Facility") who is so named on the original repair invoice and performed the service/repairs on your vehicle using ACDelco automotive parts. This warranty may be honored by other Facilities participating in this program, or other authorized non-participating facilities anywhere in the United States.

The Independent Repair Facility warrants that the above repairs and services performed at their location will be free from defects in materials and workmanship for 24 months or 24,000 miles of use, whichever comes first, measured from the date of the first repair and the odometer reading shown on the original repair invoice. The warranty term depends on the product. This warranty is conditioned on the vehicle being subjected only to normal, non-commercial use, and receiving reasonable and necessary maintenance during the warranty period. Warranty repair costs shall in no case exceed the costs of the original repair or service.

What Is not Covered by This Warranty

You must pay for any non-warranty service you order to be performed at the same time as any warranty service. This warranty will not apply to your repaired vehicle if it has been damaged by abnormal use, misuse, neglect, accident, alteration or "tampering with" (by other than the Facility or Facility employees). The Facilities employees and/or agents do not have authority to modify the terms of this warranty, nor to make any promises in addition to those contained within this warranty. This warranty does not in any way include incidental or consequential damages (additional expenses which you may incur as the result of faulty repair or service). Some states do not allow the exclusion or limitation of incidental or consequential damage, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state.

This warranty does not cover repair(s) or service(s) except as listed in the section, "What is Covered by this Warranty," even though the Facility may offer other services. Specifically excluded are any battery, engine, transmission, clutch, or differential repairs, associated gaskets and seals, or assembly replacement of the same. Also excluded are auto body, paint, molding, glass repairs, tires, and used parts. Commercial vehicles are excluded.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

Chrysler Imperial
1949 Chrysler Imperial
Chrysler Imperial C-40
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1946 Chrysler Imperial C-40
Chrysler New Yorker
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Chrysler Saratoga
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1946 Chrysler Saratoga
Chrysler Town and Country
1949 Chrysler Town and Country
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1946 Chrysler Town and Country
Chrysler Windsor
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1948 Chrysler Windsor
1947 Chrysler Windsor
1946 Chrysler Windsor
DeSoto S-11
1948 DeSoto S-11
1947 DeSoto S-11
1946 DeSoto S-11
DeSoto S-13
1949 DeSoto S-13
Dodge Coronet
1952 Dodge Coronet
1951 Dodge Coronet
1950 Dodge Coronet
1949 Dodge Coronet
Dodge Custom
1948 Dodge Custom
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1946 Dodge Custom
Dodge Deluxe
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1946 Dodge Deluxe
Dodge Meadowbrook
1952 Dodge Meadowbrook
1951 Dodge Meadowbrook
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Dodge Wayfarer
1952 Dodge Wayfarer
1951 Dodge Wayfarer
1950 Dodge Wayfarer
1949 Dodge Wayfarer
Plymouth Belvedere
1954 Plymouth Belvedere
1953 Plymouth Belvedere
Plymouth Cambridge
1953 Plymouth Cambridge
1952 Plymouth Cambridge
1951 Plymouth Cambridge
Plymouth Concord
1952 Plymouth Concord
1951 Plymouth Concord
Plymouth Cranbrook
1953 Plymouth Cranbrook
1952 Plymouth Cranbrook
1951 Plymouth Cranbrook
Plymouth Deluxe
1950 Plymouth Deluxe
1949 Plymouth Deluxe
Plymouth P15 Deluxe
1948 Plymouth P15 Deluxe
1947 Plymouth P15 Deluxe
1946 Plymouth P15 Deluxe
Plymouth Plaza
1954 Plymouth Plaza
Plymouth Savoy
1954 Plymouth Savoy
Plymouth Special Deluxe
1950 Plymouth Special Deluxe
1949 Plymouth Special Deluxe
Plymouth Suburban
1954 Plymouth Suburban
  • Plaza
1953 Plymouth Suburban
1952 Plymouth Suburban
1951 Plymouth Suburban
1950 Plymouth Suburban
1949 Plymouth Suburban

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It is neither inferred nor implied that any item sold by is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.