J.C. Whitney JD27150036 Front Left Brake Caliper OEM Replacement 2-Piston

The J.C. Whitney JD27150036 is a direct-fit OEM replacement front brake caliper for the driver side (left) position. Featuring a 2-piston design with a phenolic piston construction, this caliper is engineered to restore factory braking performance and replaces the original caliper assembly with no drilling or modification required.

This caliper assembly includes the mounting bracket and installation hardware for a straightforward, bolt-on installation. The unit is built to OEM specifications, ensuring proper fitment and reliable stopping power. Common OEM cross-reference part numbers for this application include 5018237AA, 18B4763A, 18-B4763A, 18-P4763A, and FRC11508.

Key Features:

• 2-piston caliper design for improved braking force and pedal feel
• Phenolic piston construction for heat resistance and durability
• Includes mounting bracket and installation hardware
• Direct OEM replacement — installs like the factory unit
• Inlet and bleeder port size: 3/8 x 24
• Piston outer diameter: approximately 2.12 inches
• Position: Front Left (Driver Side)

Signs that a brake caliper may need replacement include brake fluid leaks, high-pitched squealing, pulling to one side during braking, or a spongy brake pedal. Replacing a worn or seized caliper restores proper brake balance and vehicle safety.