OE Quality
60-Day Returns

PowerStop L2942 Disc Brake Caliper - Front Left
PowerStop Front OE Stock Replacement Caliper Overview
The PowerStop - Front OE Stock Replacement Caliper (Part Number L2942) is designed to provide reliable braking performance for select Mazda 3 and Volvo S40 models. Engineered as a direct OE replacement, this floating disc brake caliper ensures consistent stopping power and durability.
- Compatible with Mazda 3 and Volvo S40 front brake systems
- Constructed from durable cast iron for long-lasting strength
- Includes caliper slides and mounting bracket for proper fitment
- Single steel piston with a 56.92 mm diameter for effective braking force
- Gray finish with M8 x 1.25 bleeder screw thread size
- Grade type: Regular for standard braking applications
Product Line Details: PowerStop - Front OE Stock Replacement Caliper
This caliper is part of the PowerStop - Front OE Stock Replacement Caliper line, which focuses on providing direct-fit replacements that match original equipment specifications. This product line is designed to maintain factory performance and fitment, making it suitable for routine brake system repairs on compatible vehicles such as the Mazda 3 and Volvo S40.
Technical Description and Features
The PowerStop L2942 caliper features a floating design with a single steel piston measuring 56.92 mm in diameter, ensuring balanced and effective braking pressure. The caliper body is made from cast iron, offering durability and resistance to wear under normal driving conditions. Included caliper slides and a mounting bracket facilitate proper installation and alignment. The gray color finish provides corrosion resistance, while the M8 x 1.25 bleeder screw thread size allows for standard brake fluid bleeding procedures.
Common Applications and Problem Solving
- Replacement for worn or seized front disc brake calipers on Mazda 3 and Volvo S40
- Addresses uneven brake pad wear caused by faulty caliper slides
- Resolves brake fluid leaks from damaged piston seals
- Improves braking response when original caliper pistons are corroded or stuck
- Restores proper brake function after caliper mounting bracket damage
Installation Notes and Tips
Ensure the brake system is fully depressurized before removing the old caliper. This caliper includes the mounting bracket and slides but does not come with additional mounting hardware, so verify existing hardware condition prior to installation. Use the specified M8 x 1.25 bleeder screw for brake fluid bleeding. Proper torque specifications should be followed to avoid damage to the caliper or mounting components. It is recommended to inspect brake pads and rotors during installation for optimal performance.
Quality Assurance and Warranty
PowerStop manufactures this caliper to meet or exceed OEM standards for fit, form, and function. The cast iron construction and steel piston materials are selected for durability and consistent braking performance. While specific warranty details are not provided, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.
| Brand | PowerStop |
|---|---|
| Part Number | L2942 |
| Position | PowerStop - Front OE Stock Replacement Caliper, Front Left |
| Mounting Hardware Included | No |
| Grade Type | Regular |
| Caliper Casting Material | Cast iron |
| Caliper Slides Included | Yes |
| Piston Quantity | 1 |
| Caliper Type | Floating |
| Piston Diameter | 56.92 |
| Caliper Color | Gray |
| Mounting Bracket Included | Yes |
| Piston Material | Steel |
| Bleeder Screw Thread Size | M8 x 1.25 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Volvo | S40 | Front Left | 5 Lug Wheel; 278mm Front Disc; PowerStop - Front OE Stock Replacement Caliper | ||
| 2007 | Mazda | 3 | 2.0L | L4 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 2006 | Mazda | 3 | 2.0L | L4 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 2005 | Mazda | 3 | 2.0L | L4 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
| 2004 | Mazda | 3 | 2.0L | L4 | Front Left | PowerStop - Front OE Stock Replacement Caliper |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.