Nugeon 99P17444B Disc Brake Caliper - Rear Left

Rear Left Disc Brake Caliper for Silverado and Sierra HD

Nugeon TechShield 360 (tm) part number 99P17444B is a remanufactured rear left disc brake caliper built for heavy-duty GM truck and SUV applications. It is listed for select Chevrolet Silverado 2500 HD, Silverado 3500 HD, Suburban 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models with rear left fitment.

The TechShield 360 (tm) line focuses on brake hydraulics with rust-preventative finishing and application-specific hardware details. This caliper uses a cast iron housing, phenolic pistons, and includes the bracket, slides, dust boots, and bleeder screw for a service-ready replacement.

Key Features

• Remanufactured rear left disc brake caliper
• Fits select Chevrolet Silverado 2500 HD and Silverado 3500 HD applications
• Fits select GMC Sierra 2500 HD and Sierra 3500 HD applications
• Also listed for Chevrolet Suburban 3500 HD rear left applications
• Cast iron housing with grey rust-preventative finish
• Phenolic piston design with 2-inch (48 mm) piston diameter
• Bracket included, with caliper slides and dust boots included
• Bleeder screw included; banjo bolt inlet fitting
• Part number 99P17444B

Product Details

This Nugeon disc brake caliper is engineered for rear left brake service on 2011-2019 Chevrolet Silverado 2500 HD, 2011-2019 GMC Sierra 2500 HD, 2011-2018 Chevrolet Silverado 3500 HD, 2011-2018 GMC Sierra 3500 HD, 2016-2019 Chevrolet Suburban 3500 HD, and 2019 Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD single rear wheel applications. The TechShield 360 (tm) line pairs remanufactured brake hydraulics with corrosion-resistant finishing and the correct mounting configuration for the listed vehicles. Part number 99P17444B is built with a 48 mm phenolic piston, M10-1.5 inlet thread, and M10-1.0 bleeder thread.

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

Common Brake Issues This Caliper Can Address

• Uneven rear brake pad wear on the left side
• Brake drag caused by a sticking caliper piston or slide assembly
• Brake fluid seepage at the caliper or bleeder area
• Corrosion-related caliper seizure on heavy-duty GM trucks
• Poor rear brake response from a worn hydraulic caliper assembly

Installation Notes

Verify rear left position, bracket style, inlet fitting type, and thread sizes before installation. This caliper uses a banjo bolt inlet and is supplied with the bleeder screw; brake pad installation hardware and copper crush washers are included where applicable. Confirm rotor condition, hose routing, and slide movement during service, and bleed the brake system after installation.

Quality Assurance

Nugeon TechShield 360 (tm) remanufactured brake hydraulics are built for direct replacement use on the listed Chevrolet and GMC applications. The cast iron housing, rust-preventative finish, and included bracket and slide components support consistent brake service on heavy-duty rear axle applications.