ACDELCO
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ACDELCO 18M111 Specifications
Bleeder Hoses IncludedYes
Bore Size (IN)0.875
Brake Booster IncludedNo
Height (IN)4.8
Length (IN)9.4
Master Cylinder Bore Diameter (IN)0.875
Master Cylinder Bore Diameter (MM)22.225
Master Cylinder Cap IncludedYes
Master Cylinder MaterialIron
Measurements7/8 in Cylinder Bore
Mounting Bracket IncludedNo
Mounting Hole Diameter (IN)0.423
Primary Outlet Thread Diameter (IN)0.5625
Primary Outlet Thread Diameter (MM)14.287
Push Rod IncludedNo
Reservoir IncludedYes
Secondary Outlet Thread Diameter (IN)0.5
Secondary Outlet Thread Diameter (MM)12.7
Weight (lb)4.77
Width (IN)5.8
Gold / Professional; Includes Reservoir
ACDelco Professional Brake Master Cylinders use both aluminum and iron castings, making them the high quality replacements.

Features & Benefits:
  • Contain both Ethylene Propylene (EPDM) and Styrene Butadiene (SBR) rubber components to provide superior resistance to heat, corrosion, and leakage
  • Ready to bench bleed and install right out of the box - no assembly required
  • Manufactured to meet OE specifications of fit, form, and function
OEM / Interchange Numbers: 18030353

Warranty Information:
24 Month / Unlimited Mile Warranty
Warranty Details