J.C. Whitney JN27150004 Front Left Brake Caliper OEM Replacement

The J.C. Whitney JN27150004 is an OEM-replacement front left (driver side) disc brake caliper designed for the Nissan Quest (2004–2017). This direct-fit replacement restores factory braking performance without the need for modifications, making it an ideal solution for a worn, leaking, or seized caliper.

Key Features:

• Position: Front Left (Driver Side)
• Direct OEM fit — engineered to match original equipment specifications for seamless installation
• Dual-piston design with a piston outer diameter of approximately 1.89 inches for precise, consistent clamping force
• Inlet port size: M10 x 1.0; Bleeder port size: M7 x 1.0
• Compatible with OEM reference numbers: 41011-CK000, 41011-CN91A, 41011-CN91B, 41011-ZF00A, 19-B3106
• Includes caliper bracket and installation hardware for a complete repair
• Anti-corrosion coating helps protect against rust and extends service life

Brake calipers are a critical component of the disc brake system. When hydraulic pressure from the master cylinder is applied, the caliper squeezes the brake pads against the rotor to slow or stop the vehicle. Over time, heat cycling, moisture, and road debris can cause seals to deteriorate, pistons to seize, or fluid leaks to develop — all of which require caliper replacement to restore safe stopping power.

This J.C. Whitney replacement caliper offers a cost-effective alternative to dealer pricing while delivering reliable, OEM-quality braking performance.