ACDELCO
More Information for ACDELCO 18M412
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ACDELCO 18M412  
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ACDELCO 18M412 Specifications
Bleeder Hoses IncludedYes
Bore Size (IN)0.813
Brake Booster IncludedNo
Height (IN)4.8
Length (IN)9.4
Master Cylinder Bore Diameter (IN)0.812
Master Cylinder Bore Diameter (MM)20.6248
Master Cylinder Cap IncludedNo
Master Cylinder MaterialAluminum
Mounting Bracket IncludedNo
Mounting Hole Diameter (IN)0.354
Primary Outlet Thread Diameter (IN)0.393
Primary Outlet Thread Diameter (MM)10
Push Rod IncludedNo
Reservoir IncludedNo
Secondary Outlet Thread Diameter (IN)0.393
Secondary Outlet Thread Diameter (MM)10
Weight (lb)1.53
Width (IN)5.8
Gold / Professional
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: 18030654

Warranty Information:
24 Month / Unlimited Mile Warranty
Warranty Details