PowerStop L2943B Disc Brake Caliper - Front Right

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L2943B) is designed specifically for Mazda 3 and Mazda 3 Sport models. This disc brake caliper offers reliable performance with a cast iron construction and a floating caliper design, ensuring consistent braking response and durability.

• Compatible with Mazda 3 and Mazda 3 Sport front brake systems
• Cast iron caliper casting for strength and heat resistance
• Floating caliper type with one steel piston (57mm diameter)
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish with M10 x 1.0 inlet thread and M8 x 1.25 bleeder screw thread sizes
• Grade type: Regular for standard braking applications

About the PowerStop Front OE Stock Replacement Caliper Line

The PowerStop - Front OE Stock Replacement Caliper line is engineered to match original equipment specifications for front disc brake calipers. This product line focuses on delivering dependable OE-level performance and fitment, making it a suitable replacement for worn or damaged calipers on compatible vehicles. The L2943B caliper maintains the original floating caliper design and piston size to ensure proper brake function and safety.

Detailed Product Description

This PowerStop front disc brake caliper features a cast iron body that provides durability and effective heat dissipation during braking. The single steel piston with a 57mm diameter operates within a floating caliper design, allowing for smooth and even pad wear. Included caliper slides and mounting bracket facilitate straightforward installation and alignment. The gray finish protects against corrosion while maintaining a clean appearance. Thread sizes for the inlet (M10 x 1.0) and bleeder screw (M8 x 1.25) conform to Mazda's specifications, ensuring compatibility with existing brake lines and bleeding tools.

Common Applications and Problem Solving

• Replacement for seized or sticking front calipers on Mazda 3 and 3 Sport
• Restores proper brake pad alignment and reduces uneven pad wear
• Addresses brake fluid leaks caused by damaged piston seals
• Improves braking consistency and pedal feel after caliper failure
• Suitable for routine brake system maintenance and component upgrades

Installation Notes and Tips

Ensure the brake system is fully depressurized before removing the old caliper. Verify that the mounting bracket included matches your vehicle’s specifications. Use compatible brake fluid and bleed the system thoroughly after installation to remove air. Inspect brake pads and rotors for wear and replace if necessary to maintain optimal braking performance. Follow manufacturer torque specifications for mounting bolts and fittings.

Quality Assurance and Warranty

The PowerStop - Front OE Stock Replacement Caliper L2943B is manufactured to meet or exceed OEM standards for fit, form, and function. Constructed with cast iron and steel piston materials, it offers reliable durability under normal operating conditions. While specific warranty details are not provided here, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.