PowerStop L4850 Disc Brake Caliper - Rear Left or Rear Right

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4850) is designed to provide reliable braking performance for select Ford, Lincoln, and Mercury vehicles. Engineered as a direct OE replacement, this rear disc brake caliper ensures consistent stopping power and durability for models like the Crown Victoria, Grand Marquis, Marauder, Ranger, and Town Car.

• Cast iron caliper casting for strength and durability
• Single 48.01 mm phenolic piston for effective heat resistance
• Floating caliper design for smooth operation
• Gray finish for corrosion resistance
• Compatible with rear brake systems on Ford, Lincoln, and Mercury vehicles
• Bleeder screw thread size M10 x 1.0 for standard brake bleeding procedures

About the PowerStop - Rear OE Stock Replacement Caliper Line

The PowerStop - Rear OE Stock Replacement Caliper line focuses on providing direct-fit replacements that match original equipment specifications. This ensures proper fitment and function without the need for additional modifications. The L4850 caliper maintains the OE design with a floating caliper type and a single phenolic piston, offering a balance of performance and longevity suitable for daily driving conditions on compatible Ford, Lincoln, and Mercury models.

Detailed Product Description

This disc brake caliper features a cast iron construction that offers durability and resistance to wear under typical braking conditions. The floating caliper design allows for self-alignment during braking, reducing uneven pad wear. Equipped with a single 48.01 mm phenolic piston, the caliper resists heat absorption, helping to prevent brake fluid boiling and maintaining consistent brake feel. The gray finish provides corrosion resistance, extending the caliper’s service life. Note that mounting hardware and caliper slides are not included with this part.

Applications and Problem Solving

• Replacement for worn or leaking rear calipers on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis
• Addresses uneven brake pad wear caused by faulty caliper slides or pistons
• Resolves brake drag or sticking issues due to caliper malfunction
• Restores proper brake fluid pressure and pedal feel
• Suitable for restoring rear brake performance on Ford Ranger and Mercury Marauder models

Installation Notes and Tips

• Ensure brake system is properly bled after installation using the M10 x 1.0 bleeder screw
• Verify compatibility with your vehicle’s rear brake setup before installation
• Inspect brake pads and rotors for wear and replace if necessary during caliper replacement
• Use appropriate tools to avoid damage to the phenolic piston during installation

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed original equipment standards. The cast iron construction and phenolic piston materials are selected for durability and performance consistency. While specific warranty details are not provided here, PowerStop products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Ford, Lincoln, and Mercury vehicles.