ACDelco 18E1330B Gold Rear Drum Brake Wheel Cylinder - Driver Side

The ACDelco 18E1330B is a Gold-line rear drum brake wheel cylinder designed as a high-quality alternative to Original Equipment (OE) parts. Built with both aluminum and iron castings, this wheel cylinder delivers reliable performance and is engineered to meet or exceed OEM specifications for fit, form, and function.

The cylinder incorporates Ethylene Propylene (EPDM) and Styrene Butadiene (SBR) rubber components for superior resistance to heat, corrosion, and fluid leakage. A smooth bore finish promotes a quality seal that extends the service life of internal rubber components. Trivalent-coated bleeder screws provide additional corrosion protection and long-term durability.

Key Features:

• Meets SAE J1153 and J1154 brake performance testing requirements
• Pressure tested to ensure safe and confident braking
• Trivalent coated bleeder screws for extra durability and corrosion resistance
• Cast iron and aluminum construction — no added stress on brake booster mounting
• Smooth bore finish for improved seal quality and extended rubber component life
• Ready to bench bleed and install — no assembly required
• Bleeder screw and bleeder screw cap included
• Bolted mount type with 2 bolt holes
• Meets or exceeds OEM specifications

Specifications:

• Bore Diameter: 0.9375 in (23.81 mm)
• Inlet Thread Size: 0.375 in
• Casting Material: Cast Iron
• Mount Type: Bolted
• Bolt Hole Quantity: 2
• OEM Cross Reference: 19175859
• Alternate Part Numbers: 18E1330, 018E1330

The ACDelco 18E1330B is backed by ACDelco's Gold-line warranty and is manufactured to the standards expected of a General Motors-supported brake component. This part may have formerly appeared under the ACDelco Professional name.