Nugeon 99P01338B Disc Brake Caliper - Rear Left

Rear Left Brake Caliper for Subaru WRX, Impreza, Forester

Nugeon TechShield 360 (tm) part number 99P01338B is a remanufactured rear left disc brake caliper built for select Subaru applications. It is a direct-fit brake hydraulics component for 2008-2020 Subaru WRX, 2008-2014 Subaru Impreza, and 2009-2013 Subaru Forester models with the listed rear left fitment.

Key Features

• Remanufactured cast iron caliper with rust preventative grey finish
• TechShield 360 (tm) product line for brake hydraulic replacement applications
• Rear left position with bracket included
• Single 38 mm steel piston
• Bleeder screw included with M10-1.0 thread
• Caliper slides and dust boots included
• Banjo bolt inlet fitting with M10-1.0 inlet thread
• Housing cast numbers reference Subaru and Tokico

Detailed Description

Nugeon 99P01338B is a rear left disc brake caliper engineered for Subaru WRX, Subaru Impreza, and Subaru Forester brake service where the listed fitment matches the vehicle. The TechShield 360 (tm) line focuses on brake hydraulic replacement parts with corrosion-resistant finishing and application-specific hardware details, making this caliper a practical choice for restoring rear brake function on the specified Subaru platforms. This part number 99P01338B is listed for 2018-2020 Subaru WRX rear left with manual parking brake, 2016-2017 Subaru WRX rear left with manual parking brake, 2013-2015 Subaru WRX rear left, 2008-2014 Subaru Impreza rear left, and 2009-2013 Subaru Forester rear left.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Caliper Can Address

• Sticking or seized rear brake caliper piston
• Uneven rear brake pad wear on the left side
• Brake fluid leakage at the caliper body or bleeder area
• Corrosion-related caliper movement issues
• Reduced rear braking performance from worn hydraulic components

Installation Notes and Tips

• Verify rear left fitment by year, model, and parking brake configuration before installation.
• Use the correct banjo bolt and copper crush washers where applicable.
• Inspect brake pads, rotors, and flexible brake hose condition during service.
• Bleed the brake system after installation to remove air from the hydraulic circuit.
• Confirm caliper slide movement and parking brake operation after assembly.

Quality Assurance

Nugeon TechShield 360 (tm) remanufactured brake calipers are built for direct replacement use with application-specific fitment and hardware details. Part number 99P01338B is supplied with a rust preventative finish, bleeder screw, bracket, slides, and dust boots for the listed Subaru rear left applications.