Wilwood Aero4 4-Piston Left-Hand Caliper for 1.25-Inch Rotor, Black - 120-13282-BK

The Wilwood Aero4 4-Piston Left-Hand Caliper, part number 120-13282-BK, is designed to deliver consistent braking performance for applications using a 1.25-inch-thick rotor. Its four-piston configuration provides balanced clamping force across the brake pad, supporting reliable stopping power and even pad wear. The black finish adds a clean, professional appearance while providing a durable surface for demanding automotive environments.

Engineered for performance-focused brake systems, this Wilwood Aero4 caliper combines compact construction with responsive hydraulic operation. The left-hand orientation helps ensure correct installation when matching the caliper to the intended side of the vehicle. It is a practical choice for replacement or custom brake-system builds where dependable braking response, precise fitment, and proven Wilwood engineering are required.

Verify rotor thickness, mounting arrangement, brake pad compatibility, and left-hand application before installation. Professional installation is recommended to ensure proper alignment, brake-fluid system preparation, and safe operation. The Wilwood Aero4 4-Piston Caliper is supplied in black and is not air restricted or limited to truck-freight shipping.

Features:

• Brand: Wilwood
• Part Number: 120-13282-BK
• Caliper Series: Aero4
• Piston Configuration: 4-piston design
• Application: Left-hand installation
• Rotor Compatibility: For use with a 1.25-inch-thick rotor
• Finish: Black
• Shipping Classification: Not truck-freight only
• Air Restrictions: None