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Raybestos 580438R Disc Brake Rotor - FrontOE Quality 60-Day Returns
Part #: 580438R

Raybestos 580438R Disc Brake Rotor - Front

R-Line, Front
103 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: Cadillac, Chevrolet, and GMC, Escalade, Tahoe, Yukon, K1500, K1500 Suburban, K2500, K2500 Suburban, and Blazer
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Overview of Raybestos R-Line Disc Brake Rotor 580438R

The Raybestos R-Line Disc Brake Rotor 580438R is engineered for reliable braking performance on select Cadillac, Chevrolet, and GMC vehicles. Designed as a vented, conventional rotor, it offers precise fitment for models including the Blazer, Escalade, K1500, K1500 Suburban, K2500, K2500 Suburban, Tahoe, and Yukon.

  • Vented disc brake rotor for improved heat dissipation
  • Overall diameter of 11.610 inches (294.9 mm)
  • Nominal thickness of 1.285 inches (32.65 mm) with discard thickness at 1.215 inches (30.85 mm)
  • Overall height of 2.602 inches (66.1 mm)
  • Six mounting bolt holes with a 5.5 inch (139.7 mm) bolt circle diameter
  • Conventional rotor design compatible with drum-in-hat systems

Detailed Product Specifications

This Raybestos R-Line rotor, part number 580438R, features a vented design that enhances cooling during braking, reducing the risk of brake fade under heavy use. The rotor’s nominal thickness is 1.285 inches (32.65 mm), with a discard thickness of 1.215 inches (30.85 mm), ensuring it meets OEM specifications for safe operation. The overall height measures 2.602 inches (66.1 mm), and the outside diameter is 11.610 inches (294.9 mm), providing a precise fit for the specified vehicle models. The rotor includes six mounting bolt holes arranged on a 5.5 inch (139.7 mm) bolt circle diameter, matching factory mounting requirements for Cadillac, Chevrolet, and GMC trucks and SUVs.

R-Line Product Line Information

The Raybestos R-Line product line focuses on delivering dependable replacement brake components that meet or exceed original equipment standards. The R-Line rotors are designed to provide consistent performance and durability, making them suitable for drivers who require reliable braking on their Cadillac Escalade, Chevrolet Tahoe, or GMC Yukon. This line balances quality and value without introducing unnecessary features.

Applications and Problem Solving

  • Replacement for worn or warped rotors causing brake pulsation
  • Restores braking efficiency on vehicles with reduced rotor thickness
  • Addresses overheating issues with vented rotor design
  • Compatible with factory mounting specifications for proper fitment
  • Suitable for restoring braking performance on heavy-duty trucks and SUVs

Installation Notes and Tips

When installing the Raybestos R-Line 580438R rotor, ensure the mounting surface is clean and free of rust or debris to maintain proper rotor alignment. Verify that the rotor thickness is above the discard thickness of 1.215 inches (30.85 mm) before installation. Use the correct torque specifications for the six mounting bolts on the 5.5 inch (139.7 mm) bolt circle diameter to avoid warping. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details for part number 580438R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship. This rotor is designed to meet OEM specifications for Cadillac, Chevrolet, and GMC vehicles, providing confidence in fit and function.

BrandRaybestos
Part Number580438R
PositionR-Line, Front
Conventional Or Drum-In-Hat Type RotorConventional
Discard Thickness1.215
Discard Thickness30.850
Mounting Bolt Hole Circle Diameter5.500
Mounting Bolt Hole Circle Diameter139.700
Mounting Bolt Hole Diameter5.500
Mounting Bolt Hole Diameter139.700
Mounting Bolt Hole Quantity6
Nominal Thickness1.285
Nominal Thickness32.650
Outside Diameter11.610
Outside Diameter294.900
Overall Height2.602
Overall Height66.100
Solid Or Vented Type RotorVented
Stud/Lug Hole Quantity6

This part fits 103 vehicles. Search below:

YearMakeModelBody Type# DoorsDrive TypeLitersCylindersFuel TypePositionNotes
2000CadillacEscaladeFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
2000ChevroletTahoeFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
2000GMCYukon5.7LV8FrontR-Line
1999CadillacEscaladeFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1999ChevroletK1500Front6 Lug Wheels Fitment; R-Line
1999ChevroletK1500 SuburbanFront6 Lug Wheels Fitment; R-Line
1999ChevroletTahoe4WDGASFrontR-Line
1999GMCK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1999GMCK1500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1999GMCYukon4WDGASFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1998ChevroletK1500Front6 Lug Wheels Fitment; R-Line
1998ChevroletK1500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1998ChevroletK2500Front6 Lug Wheels Fitment; R-Line
1998ChevroletTahoe4WDGASFrontR-Line
1998GMCK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1998GMCK1500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1998GMCK2500Front6 Lug Wheels Fitment; R-Line
1998GMCYukon4WDGASFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1997ChevroletK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1997ChevroletK1500 SuburbanFront6 Lug Wheels Fitment; R-Line
1997ChevroletK2500Front6 Lug Wheels Fitment; R-Line
1997ChevroletK2500 SuburbanFrontwith 7,200 LB GVW; R-Line
1997ChevroletTahoe2 Door4WD6.5LV8Frontwith 6 Stud Rotor; R-Line
1997ChevroletTahoe4WD5.7LV8FrontR-Line
1997GMCK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1997GMCK1500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1997GMCK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1997GMCK2500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1997GMCYukon4WDFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1996ChevroletK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1996ChevroletK1500 SuburbanFront6 Lug Wheels Fitment; R-Line
1996ChevroletK2500Front6 Lug Wheels Fitment; R-Line
1996ChevroletK2500 SuburbanFrontwith 7,200 LB GVW; R-Line
1996ChevroletTahoe4WDFrontR-Line
1996GMCK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1996GMCK1500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1996GMCK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1996GMCK2500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1996GMCYukon4WDFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1995ChevroletK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1995ChevroletK1500 SuburbanFront6 Lug Wheels Fitment; R-Line
1995ChevroletK2500Front6 Lug Wheels Fitment; R-Line
1995ChevroletK2500 SuburbanFrontwith 7,200 LB GVW; R-Line
1995ChevroletTahoe4WDFrontR-Line
1995GMCK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1995GMCK1500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1995GMCK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1995GMCK2500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1995GMCYukon4WDFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1994ChevroletBlazer4WDFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1994ChevroletK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1994ChevroletK1500 SuburbanFront6 Lug Wheels Fitment; R-Line
1994ChevroletK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1994ChevroletK2500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1994GMCK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1994GMCK1500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1994GMCK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1994GMCK2500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1994GMCYukon4WDFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1993ChevroletBlazer4WDFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1993ChevroletK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1993ChevroletK1500 SuburbanFrontR-Line
1993ChevroletK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1993ChevroletK2500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1993GMCK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1993GMCK1500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1993GMCK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1993GMCK2500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1993GMCYukon4WDFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1992ChevroletBlazer4WDFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1992ChevroletK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1992ChevroletK1500 SuburbanFrontR-Line
1992ChevroletK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1992ChevroletK2500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1992GMCK1500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1992GMCK1500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1992GMCK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1992GMCK2500 SuburbanFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1992GMCYukon4WDFrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1991ChevroletK1500Standard Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1991ChevroletK1500Extended Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1991ChevroletK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1991GMCK1500Standard Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1991GMCK1500Extended Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1991GMCK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1990ChevroletK1500Standard Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1990ChevroletK1500Extended Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1990ChevroletK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1990GMCK1500Standard Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1990GMCK1500Extended Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1990GMCK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1989ChevroletK1500Standard Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1989ChevroletK1500Extended Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1989ChevroletK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1989GMCK1500Standard Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1989GMCK1500Extended Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1989GMCK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1988ChevroletK1500Standard Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1988ChevroletK1500Extended Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1988ChevroletK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-Line
1988GMCK1500Standard Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1988GMCK1500Extended Cab Pickup2 DoorFrontw/ F44 Heavy Duty Chassis; Rotor Diameter 12 IN; R-Line
1988GMCK2500FrontFitment: 12 IN Diameter Disc Brake Rotor.; R-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:

1015569120.66009120.66009CRY121.66009125.66009125.66009CRY126.66009CSL126.66009CSR126.66009SL126.66009SR127.66009CL127.66009CR127.66009L127.66009R128.66009CL128.66009CR128.66009L128.66009R1552190215679710177-7161802785818028089227.66009L227.66009R25010536320.66009320.66009F321.6600949394052-61812551355569C5569DG580438580438FZN580438PER580438R580438RGS61812AX5569BD61812BD61812EBR55135BR556902DL55135N1000125111APOQBRR194YH141453YH141453CYH141453P

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

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