HomeBrake > Drums and RotorsRaybestos 982103R Disc Brake Rotor - Front
Part #: 982103R

Raybestos 982103R Disc Brake Rotor - Front

R-Line, Front
5 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
R-Line, Front
Fitment: Kia and Genesis, K900 and G90
Easy Returns — Return within 60 days for a full refund
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Overview of Raybestos R-Line Disc Brake Rotor 982103R

The Raybestos R-Line Disc Brake Rotor 982103R is engineered for reliable braking performance on Genesis G90 and Kia K900 models. Designed as a vented, conventional rotor, it offers consistent heat dissipation and durability for these luxury vehicles.

  • Compatible with Genesis G90 and Kia K900
  • Vented disc brake rotor for improved cooling
  • Nominal thickness of 1.339 inches (34.000 mm)
  • Discard thickness at 1.276 inches (32.400 mm)
  • Outside diameter of 14.756 inches (374.800 mm)
  • Mounting bolt hole quantity: 5 with 0.492 inch (12.500 mm) diameter
  • Smooth surface type for consistent pad contact
  • Center hole diameter of 2.717 inches (69.000 mm)
  • Overall height of 2.307 inches (58.600 mm)

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components that meet or exceed OEM specifications. This product line emphasizes quality materials and precise manufacturing to ensure rotors like the 982103R provide stable braking performance and longevity for premium vehicles such as the Genesis G90 and Kia K900.

Technical Specifications and Features

The 982103R disc brake rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade. Its nominal thickness of 1.339 inches (34.000 mm) and discard thickness of 1.276 inches (32.400 mm) ensure a balance between durability and performance. The rotor’s outside diameter measures 14.756 inches (374.800 mm), with a smooth surface type that promotes even brake pad wear. The mounting bolt hole circle diameter is 4.500 inches (114.300 mm) with five bolt holes sized at 0.492 inches (12.500 mm), matching the factory specifications for secure installation.

Common Applications and Problem Solving

  • Replacement for worn or warped rotors on Genesis G90 and Kia K900
  • Addresses brake pulsation and vibration issues
  • Improves braking consistency and pedal feel
  • Helps reduce overheating and brake fade during extended use
  • Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

  • Ensure rotor thickness is above discard thickness before installation
  • Clean mounting surface to prevent rotor runout
  • Torque mounting bolts to manufacturer specifications
  • Inspect brake pads and replace if worn to maintain optimal contact
  • Perform a bed-in procedure after installation for best braking results

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 982103R rotor is designed to match OEM fitment and specifications for Genesis G90 and Kia K900 models. Warranty coverage details should be confirmed with the original product documentation or authorized Raybestos distributors.

BrandRaybestos
Part Number982103R
PositionR-Line, Front
Center Hole Diameter2.717
Center Hole Diameter69.000
Conventional Or Drum-In-Hat Type RotorConventional
Discard Thickness1.276
Discard Thickness32.400
Inside Diameter9.433
Inside Diameter239.600
Mounting Bolt Hole Circle Diameter4.500
Mounting Bolt Hole Circle Diameter114.300
Mounting Bolt Hole Diameter0.492
Mounting Bolt Hole Diameter12.500
Mounting Bolt Hole Quantity5
Nominal Thickness1.339
Nominal Thickness34.000
Outside Diameter14.756
Outside Diameter374.800
Overall Height2.307
Overall Height58.600
Solid Or Vented Type RotorVented
Stud/Lug Hole Diameter0.492
Stud/Lug Hole Diameter12.500
Stud/Lug Hole Quantity5
Surface TypeSmooth

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2020KiaK900FrontR-Line
2019GenesisG90FrontR-Line
2019KiaK900FrontR-Line
2018GenesisG90FrontR-Line
2017GenesisG90FrontR-Line

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

120.51056121.51056BD180771ER51056

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.