Centric 121.50029 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Hyundai and Kia Vehicles

The Centric C-TEK Standard Disc Brake Rotor 121.50029 offers dependable braking performance for a range of Hyundai and Kia models. Designed to meet OEM specifications, this solid rotor ensures consistent stopping power and durability for vehicles like the Hyundai Sonata and Kia Optima.

• Compatible with Hyundai Azera, Elantra, Elantra GT, Forte, Forte5, Ioniq, K5, Kona, Niro, Niro EV, Optima, Sonata, and Kia Soul EV
• Part number 121.50029 for precise fitment
• Solid disc rotor with smooth surface type for consistent braking
• Overall diameter of 11.181 inches (284 mm) and nominal thickness of 0.394 inches (10.000 mm)
• Floating disc mounting design with 5 lug holes (0.488 inch diameter)
• Center hole diameter of 2.992 inches (76 mm) and mounting bolt hole circle diameter of 4.492 inches (114.100 mm)
• Weight approximately 9.9 lbs (4.48 kgs) for balanced performance

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is engineered to provide reliable, OEM-quality replacement rotors for a variety of passenger vehicles. This product line focuses on solid rotors with smooth surfaces, designed to deliver consistent braking performance and durability. The 121.50029 rotor fits within this line, offering a direct replacement solution for Hyundai and Kia models requiring a floating disc mounting type.

Technical Specifications and Features

This Centric rotor features a discard thickness of 0.331 inches (8.400 mm) and a nominal thickness of 0.394 inches (10.000 mm), ensuring it meets wear limits for safe operation. The overall height measures 1.260 inches (32.000 mm), and the rotor includes two miscellaneous holes for mounting or alignment purposes. The solid rotor design provides a smooth braking surface without venting, suitable for standard driving conditions. Note that this rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Restores proper braking performance on Hyundai Sonata, Kia Optima, and related models
• Addresses rotor thickness below discard limits to maintain safety
• Eliminates uneven brake pad wear due to rotor surface imperfections
• Suitable for vehicles experiencing reduced braking efficiency or vibration

Installation Notes and Tips

• Ensure rotor thickness is measured before installation to confirm discard limits
• Clean mounting surfaces and hub to prevent rotor runout
• Torque lug nuts to manufacturer specifications for proper fitment
• Check compatibility with vehicle ABS system as this rotor does not include an ABS tone ring
• Inspect brake pads and replace if necessary to optimize braking performance

Quality Assurance and Warranty

Centric's C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details for part number 121.50029 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship to ensure customer confidence in their brake components.