Centric 120.40055 Disc Brake Rotor - Rear

Rear Brake Rotor for Acura TSX and Honda Accord

Centric Premium Disc Brake Rotor 120.40055 is a rear solid rotor built for specific Acura and Honda applications. It combines a smooth braking surface with a coated hat finish and Centric’s electrocoating protection to help resist corrosion after installation.

Compatible With 2004-2008 Acura TSX rear and 2003-2007 Honda Accord rear, this rotor is a direct-fit replacement for drivers looking for a rear disc brake rotor with OE-style dimensions and corrosion-resistant finish. The 120.40055 part number is also a useful reference when comparing replacement options for the same application.

Centric Premium Disc Brake Rotors

Centric Premium Disc Brake Rotors are built around corrosion protection and consistent fitment. The electrocoated finish is engineered to hold up against moisture and road salt far longer than basic phosphate coatings, which are mainly used for storage protection. For Acura TSX and Honda Accord rear brake service, that finish helps keep the rotor protected after it is installed on the vehicle.

Key Features

• Part number: 120.40055
• Rear disc brake rotor for select Acura and Honda applications
• Solid rotor design with smooth surface type
• Coated hat finish for added corrosion resistance
• Electrocoated finish designed for long-lasting protection
• Outside diameter: 260 mm (10.236 in.)
• Nominal thickness: 9 mm (0.354 in.)
• Discard thickness: 8 mm (0.315 in.)
• 5-lug bolt pattern with 114.3 mm bolt circle
• Center hole diameter: 64 mm

Detailed Description

Centric 120.40055 is a rear brake rotor with a floating mounting type, 5 bolt holes, and a 64 mm center hole diameter. It measures 48.8 mm in overall height and uses a solid rotor construction, making it a straightforward replacement for rear brake service on 2004-2008 Acura TSX and 2003-2007 Honda Accord models. The coated finish helps protect the rotor hat and exposed surfaces from corrosion, which is especially important in wet or salted-road environments.

This rotor cross-references Raybestos Brakes 980138 for the same application. When comparing rear brake rotors for Acura TSX or Honda Accord service, the 120.40055 part number helps confirm the correct Centric Premium Disc Brake Rotor.

Common Problems This Rotor Can Address

• Rear brake pulsation caused by worn or uneven rotor surfaces
• Brake noise related to rotor wear or surface corrosion
• Reduced braking consistency from rotor thickness loss
• Rust buildup on exposed rotor surfaces after installation
• Fitment issues when replacing a rear rotor on the listed Acura and Honda models

Installation Notes and Tips

Verify rotor dimensions, bolt pattern, and center hole diameter before installation. Clean the hub mounting surface thoroughly so the rotor seats flat, and inspect rear brake pads and caliper hardware for wear before reassembly. For 2004-2008 Acura TSX rear brake rotor replacement and 2003-2007 Honda Accord rear brake rotor service, confirm the vehicle’s rear brake configuration matches the listed fitment.

Quality Assurance

Centric Premium Disc Brake Rotors use an electrocoating finish designed to withstand extended salt-water exposure without rusting, providing stronger corrosion protection than phosphate-coated alternatives. The coated finish and OE-style dimensions support dependable replacement quality for rear brake service on the listed Acura TSX and Honda Accord applications.