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1990 GMC Safari

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ACDelco 18M593 Brake Master Cylinder
for 1990 GMC Safari

ACDelco 18M593 Brake Master Cylinder - 1990 GMC Safari Image 1
ACDelco 18M593 Brake Master Cylinder - 1990 GMC Safari Image 2
ACDelco 18M593 Brake Master Cylinder - 1990 GMC Safari Image 3
ACDelco 18M593 Brake Master Cylinder - 1990 GMC Safari Image 4
ACDelco 18M593 Brake Master Cylinder - 1990 GMC Safari Image 5
ACDelco 18M593 Brake Master Cylinder - 1990 GMC Safari Image 6
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ACDelco 18M593 Brake Master Cylinder - 1990 GMC Safari Image 8
ACDelco 18M593 Brake Master Cylinder - 1990 GMC Safari Image 9
ACDelco 18M593 Brake Master Cylinder - 1990 GMC Safari Image 10
ACDelco 18M593 Brake Master Cylinder - 1990 GMC Safari

ACDelco
Brand:ACDelco
Part Number: 18M593
UPC: 00707773716823
Weight: 6 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

MASTER CYL (SLP)

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:
28.600 mm
Brake Booster Included:
No
Height (in):
5.6 in
Length (in):
11.3 in
Master Cylinder Bore Diameter (in):
1.125984252 in
Master Cylinder Bore Diameter:
28.6 mm
Master Cylinder Cap Included:
Yes
Master Cylinder Material:
Aluminum
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):
6 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:
CN

ACDelco 18M593 Brake Master Cylinder compatibility with your 1990 GMC Safari...

Last Updated: 05/27/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
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1
 
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2-Wheel ABS
 

GMC Safari



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1 Per Vehicle

1990

 

1990

 
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2.5L L4 Gas OHV
1
 
Professional
2-Wheel ABS
 

GMC Safari



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