ACDELCO
More Information for ACDELCO 18M41
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ACDELCO 18M41 Specifications
Bleeder Hoses IncludedYes
Bore Size (IN)0.938
Brake Booster IncludedNo
Height (IN)4.8
Length (IN)9.4
Master Cylinder Bore Diameter (IN)0.937
Master Cylinder Bore Diameter (MM)23.7998
Master Cylinder Cap IncludedYes
Master Cylinder MaterialIron
Mounting Bracket IncludedNo
Mounting Hole Diameter (IN)0.406
Primary Outlet Thread Diameter (IN)0.437
Primary Outlet Thread Diameter (MM)11.112
Push Rod IncludedYes
Reservoir IncludedYes
Secondary Outlet Thread Diameter (IN)0.5625
Secondary Outlet Thread Diameter (MM)14.287
Weight (lb)6.97
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: 18030283

Warranty Information:
24 Month / Unlimited Mile Warranty
Warranty Details