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ACDelco 18M172 Brake Master Cylinder

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ACDelco 18M172 Brake Master Cylinder Image 8
ACDelco 18M172 Brake Master Cylinder

ACDelco
Brand:ACDelco
Part Number: 18M172
UPC: 00707773315033
Weight: 5.97 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 18M172 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:
1.125 in.
Brake Booster Included:
No
Height (in):
4.8 in
Length (in):
9.4 in
Master Cylinder Bore Diameter:
1.57480315 in.
Master Cylinder Bore Diameter:
40 mm
Master Cylinder Cap Included:
Yes
Master Cylinder Material:
Iron
Mounting Bracket Included:
No
Mounting Hole Diameter:
0.433 in.
Mounting Hole Quantity:
2
Port Quantity:
2
Primary Outlet Thread Diameter:
0.5625 in.
Primary Outlet Thread Diameter:
14.287 mm
Programming Required:
No
Push Rod Included:
No
Reservoir Included:
Yes
Secondary Outlet Thread Diameter:
0.5 in.
Secondary Outlet Thread Diameter:
12.7 mm
Weight (lb):
5.97 lb
Width (in):
5.8 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:
CN

Select a vehicle to narrow ACDelco 18M172 Brake Master Cylinder fitment info!

Last Updated: 03/09/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes
Buick Electra

5.0L V8 Gas OHV
1
 
Professional
Non-ABS
Wagon
 

Buick Electra



5.0L V8 Gas OHV Professional
Non-ABS
Wagon

1 Per Vehicle
Buick Electra

5.0L V8 Gas OHV
1
 
Professional
 

Buick Electra



5.0L V8 Gas OHV Professional

1 Per Vehicle
Buick Electra

4.1L V6 Gas OHV
1
 
Professional
 

Buick Electra



4.1L V6 Gas OHV Professional

1 Per Vehicle
Buick Estate Wagon

5.0L V8 Gas OHV
1
 
Professional
 

Buick Estate Wagon



5.0L V8 Gas OHV Professional

1 Per Vehicle
Buick LeSabre

3.8L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Professional
Non-ABS
Wagon
4 Doors
 

Buick LeSabre



3.8L V6 Gas OHV,
5.0L V8 Gas OHV Professional
Non-ABS
Wagon
4 Doors

1 Per Vehicle
Buick LeSabre

3.8L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Professional
 

Buick LeSabre



3.8L V6 Gas OHV,
5.0L V8 Gas OHV Professional

1 Per Vehicle
Buick LeSabre

4.1L V6 Gas OHV
1
 
Professional
 

Buick LeSabre



4.1L V6 Gas OHV Professional

1 Per Vehicle
Cadillac Brougham

5.0L V8 Gas OHV
1
 
Professional
Non-ABS
 

Cadillac Brougham



5.0L V8 Gas OHV Professional
Non-ABS

1 Per Vehicle
Cadillac Commercial Chassis

4.1L V8 Gas OHV
1
 
Professional
 

Cadillac Commercial Chassis



4.1L V8 Gas OHV Professional

1 Per Vehicle
Cadillac Commercial Chassis

6.0L V8 Gas OHV
1
 
Professional
 

Cadillac Commercial Chassis



6.0L V8 Gas OHV Professional

1 Per Vehicle
Cadillac Commercial Chassis

6.0L V8 Gas OHV
1
 
Professional
11in Rear Drum
 

Cadillac Commercial Chassis



6.0L V8 Gas OHV Professional
11in Rear Drum

1 Per Vehicle
Cadillac Commercial Chassis

6.0L V8 Gas OHV
1
 
Professional
with 12in Diameter Rear Drum
 

Cadillac Commercial Chassis



6.0L V8 Gas OHV Professional
with 12in Diameter Rear Drum

1 Per Vehicle
Cadillac DeVille

4.1L V8 Gas OHV
1
 
Professional
2 Doors
 

Cadillac DeVille



4.1L V8 Gas OHV Professional
2 Doors

1 Per Vehicle
Cadillac DeVille

4.1L V8 Gas OHV
1
 
Professional
4 Doors
 

Cadillac DeVille



4.1L V8 Gas OHV Professional
4 Doors

1 Per Vehicle
Cadillac DeVille

4.1L V6 Gas OHV
1
 
Professional
2 Doors
 

Cadillac DeVille



4.1L V6 Gas OHV Professional
2 Doors

1 Per Vehicle
Cadillac DeVille

4.1L V6 Gas OHV
1
 
Professional
4 Doors
 

Cadillac DeVille



4.1L V6 Gas OHV Professional
4 Doors

1 Per Vehicle
Cadillac DeVille

6.0L V8 Gas OHV
1
 
Professional
2 Doors
 

Cadillac DeVille



6.0L V8 Gas OHV Professional
2 Doors

1 Per Vehicle
Cadillac DeVille

6.0L V8 Gas OHV
1
 
Professional
4 Doors
 

Cadillac DeVille



6.0L V8 Gas OHV Professional
4 Doors

1 Per Vehicle
Cadillac Fleetwood

5.0L V8 Gas OHV
1
 
Professional
Non-ABS
RWD
 

Cadillac Fleetwood



5.0L V8 Gas OHV Professional
Non-ABS
RWD

1 Per Vehicle
Cadillac Fleetwood

4.1L V8 Gas OHV
1
 
Professional
RWD
 

Cadillac Fleetwood



4.1L V8 Gas OHV Professional
RWD

1 Per Vehicle
Cadillac Fleetwood

4.1L V8 Gas OHV
1
 
Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
 

Cadillac Fleetwood



4.1L V8 Gas OHV Professional
Aluminum Step Bore Cylinder With Plastic Reservoir

1 Per Vehicle
Cadillac Fleetwood

5.7L V8 Diesel OHV,
6.0L V8 Gas OHV
1
 
Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
 

Cadillac Fleetwood



5.7L V8 Diesel OHV,
6.0L V8 Gas OHV Professional
Aluminum Step Bore Cylinder With Plastic Reservoir

1 Per Vehicle
Cadillac Fleetwood

4.1L V6 Gas OHV
1
 
Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
 

Cadillac Fleetwood



4.1L V6 Gas OHV Professional
Aluminum Step Bore Cylinder With Plastic Reservoir

1 Per Vehicle
Checker Marathon

3.8L V6 Gas OHV,
4.4L V8 Gas OHV,
5.7L V8 Diesel OHV
1
 
Professional
 

Checker Marathon



3.8L V6 Gas OHV,
4.4L V8 Gas OHV,
5.7L V8 Diesel OHV Professional

1 Per Vehicle
Checker Marathon

5.0L V8 Gas OHV
1
 
Professional
 

Checker Marathon



5.0L V8 Gas OHV Professional

1 Per Vehicle
Chevrolet Camaro

3.8L V6 Gas OHV,
4.4L V8 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Professional
Power Brakes
 

Chevrolet Camaro



3.8L V6 Gas OHV,
4.4L V8 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV Professional
Power Brakes

1 Per Vehicle
Chevrolet Caprice

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Professional
 

Chevrolet Caprice



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV Professional

1 Per Vehicle
Chevrolet Caprice

4.3L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
Coupe
2 Doors
 

Chevrolet Caprice



4.3L V6 Gas OHV,
5.0L V8 Gas OHV Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
Coupe
2 Doors

1 Per Vehicle
Chevrolet Caprice

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
Sedan
4 Doors
 

Chevrolet Caprice



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
Sedan
4 Doors

1 Per Vehicle
Chevrolet Caprice

4.3L V6 Gas OHV,
5.7L V8 Gas OHV
1
 
Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
 

Chevrolet Caprice



4.3L V6 Gas OHV,
5.7L V8 Gas OHV Professional
Aluminum Step Bore Cylinder With Plastic Reservoir

1 Per Vehicle
Chevrolet Caprice

5.0L V8 Gas OHV,
5.7L V8 Diesel OHV
1
 
Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
 

Chevrolet Caprice



5.0L V8 Gas OHV,
5.7L V8 Diesel OHV Professional
Aluminum Step Bore Cylinder With Plastic Reservoir

1 Per Vehicle
Chevrolet Caprice

3.8L V6 Gas OHV
1
 
Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
 

Chevrolet Caprice



3.8L V6 Gas OHV Professional
Aluminum Step Bore Cylinder With Plastic Reservoir

1 Per Vehicle
Chevrolet Caprice

4.4L V8 Gas OHV
1
 
Professional
Aluminum Step Bore Cylinder With Plastic Reservoir
 

Chevrolet Caprice



4.4L V8 Gas OHV Professional
Aluminum Step Bore Cylinder With Plastic Reservoir

1 Per Vehicle
Chevrolet Impala

4.3L V6 Gas OHV
1
 
Professional
 

Chevrolet Impala



4.3L V6 Gas OHV Professional

1 Per Vehicle
Chevrolet Impala

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Professional
 

Chevrolet Impala



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Professional

1 Per Vehicle
Chevrolet Impala

3.8L V6 Gas OHV
1
 
Professional
 

Chevrolet Impala



3.8L V6 Gas OHV Professional

1 Per Vehicle
Chevrolet Impala

4.4L V8 Gas OHV
1
 
Professional
 

Chevrolet Impala



4.4L V8 Gas OHV Professional

1 Per Vehicle
Oldsmobile 98

5.0L V8 Gas OHV
1
 
Professional
 

Oldsmobile 98



5.0L V8 Gas OHV Professional

1 Per Vehicle
Oldsmobile 98

4.1L V6 Gas OHV
1
 
Professional
 

Oldsmobile 98



4.1L V6 Gas OHV Professional

1 Per Vehicle
Oldsmobile Custom Cruiser

5.0L V8 Gas OHV
1
 
Professional
 

Oldsmobile Custom Cruiser



5.0L V8 Gas OHV Professional

1 Per Vehicle
Oldsmobile Custom Cruiser

5.0L V8 Gas OHV
1
 
Professional
Powermaster
 

Oldsmobile Custom Cruiser



5.0L V8 Gas OHV Professional
Powermaster

1 Per Vehicle
Oldsmobile Custom Cruiser

5.0L V8 Gas OHV
1
 
Professional
 

Oldsmobile Custom Cruiser



5.0L V8 Gas OHV Professional

1 Per Vehicle
Oldsmobile Delta 88

3.8L V6 Gas OHV,
5.0L V8 Gas OHV
1
 
Professional
 

Oldsmobile Delta 88



3.8L V6 Gas OHV,
5.0L V8 Gas OHV Professional

1 Per Vehicle
Oldsmobile Delta 88

4.3L V8 Gas OHV
1
 
Professional
 

Oldsmobile Delta 88



4.3L V8 Gas OHV Professional

1 Per Vehicle
Pontiac Bonneville

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Professional
 

Pontiac Bonneville



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV Professional

1 Per Vehicle
Pontiac Catalina

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Professional
 

Pontiac Catalina



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV Professional

1 Per Vehicle
Pontiac Firebird

3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
Professional
Rear Drum
 

Pontiac Firebird



3.8L V6 Gas OHV,
4.3L V8 Gas OHV,
5.0L V8 Gas OHV Professional
Rear Drum

1 Per Vehicle
Pontiac Parisienne

4.3L V6 Gas OHV
1
 
Professional
Sedan
4 Doors
 

Pontiac Parisienne



4.3L V6 Gas OHV Professional
Sedan
4 Doors

1 Per Vehicle
Pontiac Parisienne

5.0L V8 Gas OHV
1
 
Professional
Sedan
4 Doors
 

Pontiac Parisienne



5.0L V8 Gas OHV Professional
Sedan
4 Doors

1 Per Vehicle
Pontiac Parisienne

3.8L V6 Gas OHV
1
 
Professional
Sedan
4 Doors
 

Pontiac Parisienne



3.8L V6 Gas OHV Professional
Sedan
4 Doors

1 Per Vehicle
Pontiac Parisienne

5.0L V8 Gas OHV
1
 
Professional
 

Pontiac Parisienne



5.0L V8 Gas OHV Professional

1 Per Vehicle
Pontiac Safari

5.0L V8 Gas OHV
1
 
Professional
 

Pontiac Safari



5.0L V8 Gas OHV Professional

1 Per Vehicle


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