PowerStop L7146 Disc Brake Caliper - Front Left

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L7146) is engineered to provide reliable braking performance for select Infiniti and Nissan vehicles. Designed as a direct OE replacement, this disc brake caliper ensures consistent stopping power and durability for models like the Infiniti Q50, Q60, QX50, and Nissan Rogue and Z.

• Cast iron caliper casting for strength and heat resistance
• Floating caliper design with two steel pistons (44mm diameter)
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish for corrosion resistance and OEM appearance
• Compatible inlet thread size M10 x 1.0 and bleeder screw thread size M7 x 1.0

About the PowerStop - Front OE Stock Replacement Caliper Line

The PowerStop - Front OE Stock Replacement Caliper line focuses on delivering direct-fit brake components that meet original equipment specifications. This product line is tailored to replace worn or damaged front disc brake calipers on specific vehicle models without requiring modifications. The L7146 caliper maintains factory-grade materials and design, ensuring dependable braking performance and compatibility with existing brake systems on Infiniti and Nissan vehicles.

Detailed Product Description

This PowerStop disc brake caliper features a cast iron construction that offers durability and effective heat dissipation during braking. The floating caliper design incorporates two steel pistons, each with a 44mm diameter, providing balanced clamping force on the brake pads. Included caliper slides and a mounting bracket facilitate proper installation and alignment. The gray finish helps resist corrosion, maintaining the caliper's integrity over time. Thread sizes for the inlet (M10 x 1.0) and bleeder screw (M7 x 1.0) match OEM specifications, ensuring compatibility with the vehicle's brake hydraulics.

Applications and Problem Solving

• Replacement for worn or seized front disc brake calipers on Infiniti Q50, Q60, QX50, Nissan Rogue, and Z models
• Addresses uneven brake pad wear caused by caliper piston or slide issues
• Resolves brake drag or sticking caliper problems affecting stopping performance
• Restores proper hydraulic pressure and brake fluid flow with correct inlet and bleeder thread sizes
• Improves braking consistency and safety by maintaining OE specifications

Installation Notes and Tips

Ensure the brake system is fully depressurized before removing the old caliper. Verify that the mounting bracket and caliper slides are properly lubricated and free of debris to allow smooth caliper movement. Use compatible brake fluid and bleed the brake system thoroughly after installation to remove air. Confirm that the inlet and bleeder screw thread sizes (M10 x 1.0 and M7 x 1.0) match the vehicle’s brake lines and fittings for a secure connection.

Quality Assurance and Warranty

The PowerStop - Front OE Stock Replacement Caliper L7146 is manufactured to meet or exceed OEM standards for fit, form, and function. Constructed with cast iron and steel piston materials, it offers reliable performance under normal operating conditions. While specific warranty details are not provided, PowerStop products typically undergo rigorous quality control to ensure durability and safety in braking applications.