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Raybestos 56830R Disc Brake Rotor - RearOE Quality 60-Day Returns
Part #: 56830R

Raybestos 56830R Disc Brake Rotor - Rear

R-Line, Rear
166 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
R-Line, Rear
Fitment: Chevrolet, GMC, and Hummer, Express 3500, Savana 3500, Express 2500, Savana 2500, H2, Silverado 1500 HD Classic, Suburban 2500, Sierra 1500 HD Classic, Yukon XL 2500, Silverado 1500 HD, Silverado 2500 HD, Sierra 1500 HD, Sierra 2500 HD, Silverado 2500, and Sierra 2500
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Overview of Raybestos R-Line Disc Brake Rotor 56830R

The Raybestos R-Line 56830R disc brake rotor is engineered for reliable braking performance on heavy-duty vehicles. Designed specifically for select Chevrolet, GMC, and Hummer models, this vented, drum-in-hat rotor offers durability and consistent stopping power under demanding conditions.

  • Vented disc brake rotor with drum-in-hat design
  • Outside diameter: 13.000 inches (330.2 mm)
  • Nominal thickness: 1.142 inches (29.000 mm)
  • Discard thickness: 1.043 inches (26.500 mm)
  • Overall height: 3.420 inches (86.850 mm)
  • Mounting bolt hole quantity: 8 with 0.625 inch (15.9 mm) diameter
  • Center hole diameter: 4.632 inches (117.650 mm)
  • Mounting bolt hole circle diameter: 6.500 inches (165.100 mm)
  • Compatible with Chevrolet Avalanche 2500, Silverado 1500 HD, GMC Sierra 2500 HD, Hummer H2, and more

Detailed Product Description

The Raybestos R-Line 56830R rotor is a vented disc brake rotor featuring a drum-in-hat design, which integrates a parking brake drum within the rotor assembly. This design is common in heavy-duty trucks and SUVs, providing both braking and parking brake functions in one component. The rotor measures 13 inches in outside diameter and has a nominal thickness of 1.142 inches, ensuring sufficient material for heat dissipation and durability. The discard thickness of 1.043 inches indicates the minimum safe thickness before replacement is necessary. With an overall height of 3.420 inches, this rotor fits precisely on vehicles requiring this specification. The rotor includes eight mounting bolt holes with a 0.625 inch diameter, arranged on a 6.5 inch bolt circle diameter, ensuring secure attachment to the hub. The center hole diameter of 4.632 inches allows proper fitment on compatible wheel hubs.

Compatible Vehicles and Applications

  • Chevrolet Avalanche 2500
  • Chevrolet Express 1500, 2500, 3500
  • Chevrolet Silverado 1500, 1500 HD, 2500, 2500 HD
  • Chevrolet Suburban 2500
  • GMC Sierra 1500, 1500 HD, 2500, 2500 HD
  • GMC Savana 2500, 3500
  • Hummer H2
  • GMC Yukon XL 2500

This rotor is designed to meet the braking demands of these heavy-duty trucks and SUVs, providing consistent performance for towing, hauling, and daily driving.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OE-quality brake components for a range of vehicles. The 56830R rotor exemplifies this line’s commitment to durability and fitment accuracy, making it suitable for professional repairs and maintenance on Chevrolet, GMC, and Hummer heavy-duty models.

Common Issues Addressed by This Rotor

  • Brake rotor warping causing vibration during braking
  • Excessive rotor wear reducing braking efficiency
  • Overheating and brake fade under heavy load conditions
  • Corrosion and surface damage affecting rotor lifespan
  • Parking brake malfunctions due to worn drum-in-hat components

Installation Notes and Tips

  • Ensure rotor thickness is above discard thickness (1.043 inches) before installation
  • Clean mounting surfaces to prevent rotor runout and vibration
  • Torque mounting bolts to manufacturer specifications for secure fitment
  • Inspect brake pads and replace if worn to maintain optimal braking performance
  • Check parking brake components integrated within the drum-in-hat rotor

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM specifications, ensuring consistent quality and performance. The 56830R rotor undergoes rigorous testing for durability and heat resistance. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandRaybestos
Part Number56830R
PositionR-Line, Rear
Center Hole Diameter4.632
Center Hole Diameter117.650
Conventional Or Drum-In-Hat Type RotorDrum-In-Hat
Discard Thickness1.043
Discard Thickness26.500
Mounting Bolt Hole Circle Diameter6.500
Mounting Bolt Hole Circle Diameter165.100
Mounting Bolt Hole Diameter0.625
Mounting Bolt Hole Diameter15.900
Mounting Bolt Hole Quantity8
Nominal Thickness1.142
Nominal Thickness29.000
Outside Diameter13.000
Outside Diameter330.200
Overall Height3.420
Overall Height86.850
Solid Or Vented Type RotorVented
Stud/Lug Hole Quantity8

This part fits 166 vehicles. Search below:

YearMakeModelSubmodelBody TypeDrive TypeLitersCylindersFuel TypePositionNotes
2023ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2023ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2023GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2023GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2022ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2022ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2022GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2022GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2021ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2021ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2021GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2021GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2020ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2020ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2020GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2019ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2019ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2019GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2019GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2018ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2018ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2018GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2018GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2017ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2017ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2017GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2017GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2016ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2016ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2016GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2016GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2015ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2015ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2015GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2015GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2014ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2014ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2014GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2014GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2013ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2013ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2013GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2013GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2012ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2012ChevroletExpress 3500Rearw/ RPO Code GU6; w/ Posi-Traction (G80); with Single Rear Wheels (SRW); R-Line
2012GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2012GMCSavana 3500Rearw/ RPO Code GU6; w/ Posi-Traction (G80); with Single Rear Wheels (SRW); R-Line
2011ChevroletExpress 2500RearReplaces 1056830; Raybestos R-Line
2011ChevroletExpress 3500Rearw/ RPO Code GU6; w/ Posi-Traction (G80); with Single Rear Wheels (SRW); R-Line
2011GMCSavana 2500RearReplaces 1056830; Raybestos R-Line
2011GMCSavana 3500Rearw/ RPO Code GU6; w/ Posi-Traction (G80); with Single Rear Wheels (SRW); R-Line
2010ChevroletExpress 25006.0LV8RearR-Line
2010ChevroletExpress 25004.8LV8RearR-Line
2010ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2010GMCSavana 2500FLEXRearR-Line
2010GMCSavana 3500Cutaway Van6.6LV8RearReplaces 1056830; Raybestos R-Line
2009ChevroletExpress 25006.0LV8Rearw/o Electronic Stability Control; R-Line
2009ChevroletExpress 25004.8LV8Rearw/o Electronic Stability Control; R-Line
2009ChevroletExpress 3500Cutaway VanRearwith Single Rear Wheels (SRW); Raybestos R-Line
2009GMCSavana 2500GASRearw/o Electronic Stability Control; R-Line
2009GMCSavana 3500Cutaway VanRearwith Single Rear Wheels (SRW); Raybestos R-Line
2009HummerH2RearR-Line
2008ChevroletExpress 25006.0LV8Rearw/o Electronic Stability Control; R-Line
2008ChevroletExpress 25004.8LV8Rearw/o Electronic Stability Control; R-Line
2008ChevroletExpress 3500Cutaway VanRearRPO Code G80 Limited Slip Rear Axle; with Single Rear Wheels (SRW); R-Line
2008GMCSavana 2500GASRearw/o Electronic Stability Control; R-Line
2008GMCSavana 3500BaseRearwith Limited Slip Differential; with Single Rear Wheels (SRW); R-Line
2008HummerH2RearR-Line
2007ChevroletExpress 25006.0LV8RearR-Line
2007ChevroletExpress 25004.8LV8RearR-Line
2007ChevroletExpress 3500Cutaway VanRearRPO Code G80 Limited Slip Rear Axle; with Single Rear Wheels (SRW); R-Line
2007ChevroletSilverado 1500 HD ClassicRearR-Line
2007ChevroletSuburban 2500RearR-Line
2007GMCSavana 2500GASRearR-Line
2007GMCSavana 3500BaseRearwith Limited Slip Differential; with Single Rear Wheels (SRW); R-Line
2007GMCSierra 1500 Classic6.0LV8RearReplaces 1056830; Raybestos R-Line
2007GMCSierra 1500 HD ClassicRearR-Line
2007GMCYukon XL 2500RearR-Line
2007HummerH2Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2006ChevroletAvalanche 2500RearReplaces 1056830; Raybestos R-Line
2006ChevroletExpress 25006.0LV8RearR-Line
2006ChevroletExpress 25004.8LV8RearR-Line
2006ChevroletExpress 3500Cutaway VanRearRPO Code G80 Limited Slip Rear Axle; with Single Rear Wheels (SRW); R-Line
2006ChevroletSilverado 1500 HDRearR-Line
2006ChevroletSilverado 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2006ChevroletSuburban 25006.0LV8RearCompatible with models equipped with 2 Wheel Steering.; R-Line
2006GMCSavana 25006.0LV8Rear8,600 Lb. GVW; R-Line
2006GMCSavana 25004.8LV8Rear8,600 Lb. GVW; R-Line
2006GMCSavana 3500Cutaway VanRearwith Single Rear Wheels (SRW); Raybestos R-Line
2006GMCSierra 15006.0LV8RearReplaces 1056830; Raybestos R-Line
2006GMCSierra 1500 HDRearR-Line
2006GMCSierra 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2006GMCYukon XL 25006.0LV8RearR-Line
2006HummerH2Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2005ChevroletAvalanche 2500RearReplaces 1056830; Raybestos R-Line
2005ChevroletExpress 15004.3LV6Rearwith 8500lb & 8600lb GVW; Raybestos R-Line
2005ChevroletExpress 2500Rearwith 8500 LB & 8600 LB GVW; R-Line
2005ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2005ChevroletSilverado 1500RearReplaces 1056830; Raybestos R-Line
2005ChevroletSilverado 1500 HDRearCompatible with models equipped with 2 Wheel Steering.; R-Line
2005ChevroletSilverado 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2005ChevroletSuburban 25006.0LV8RearCompatible with models equipped with 2 Wheel Steering.; R-Line
2005GMCSavana 2500Rearwith 8500 LB & 8600 LB GVW; R-Line
2005GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2005GMCSierra 15004.8LV8RearReplaces 1056830; Raybestos R-Line
2005GMCSierra 1500 HDRearCompatible with models equipped with 2 Wheel Steering.; R-Line
2005GMCSierra 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2005GMCYukon XL 25006.0LV8RearCompatible with models equipped with 2 Wheel Steering.; R-Line
2005HummerH2Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2004ChevroletAvalanche 2500RearReplaces 1056830; Raybestos R-Line
2004ChevroletExpress 15004.3LV6Rearwith 8500lb & 8600lb GVW; Raybestos R-Line
2004ChevroletExpress 2500Rearwith 8500 LB & 8600 LB GVW; R-Line
2004ChevroletExpress 3500RearReplaces 1056830; Raybestos R-Line
2004ChevroletSilverado 1500RearReplaces 1056830; Raybestos R-Line
2004ChevroletSilverado 2500Rearw/ 2 Wheel Steering; 330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2004ChevroletSilverado 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2004ChevroletSuburban 25006.0LV8RearCompatible with models equipped with 2 Wheel Steering.; R-Line
2004GMCSavana 2500Rearwith 8500 LB & 8600 LB GVW; R-Line
2004GMCSavana 3500RearReplaces 1056830; Raybestos R-Line
2004GMCSierra 1500RearReplaces 1056830; Raybestos R-Line
2004GMCSierra 2500Rearw/ 2 Wheel Steering; 330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2004GMCSierra 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2004GMCYukon XL 25006.0LV8RearCompatible with models equipped with 2 Wheel Steering.; R-Line
2004HummerH2Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2003ChevroletAvalanche 2500RearReplaces 1056830; Raybestos R-Line
2003ChevroletExpress 15004.3LV6Rearwith 8500lb & 8600lb GVW; Raybestos R-Line
2003ChevroletExpress 2500Rearwith 8500 LB & 8600 LB GVW; R-Line
2003ChevroletSilverado 1500RearChevorlet Brake Code Jh6; Raybestos R-Line
2003ChevroletSilverado 1500 HDRearCompatible with models equipped with 2 Wheel Steering.; R-Line
2003ChevroletSilverado 2500Rearw/ 2 Wheel Steering; 330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2003ChevroletSilverado 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2003ChevroletSuburban 25006.0LV8RearCompatible with models equipped with 2 Wheel Steering.; R-Line
2003GMCSavana 2500Rearwith 8500 LB & 8600 LB GVW; R-Line
2003GMCSierra 1500RearGMC Brake Code Jh6; Raybestos R-Line
2003GMCSierra 1500 HDRearCompatible with models equipped with 2 Wheel Steering.; R-Line
2003GMCSierra 2500Rearw/ 2 Wheel Steering; 330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2003GMCSierra 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2003GMCYukon XL 25006.0LV8RearR-Line
2003HummerH2Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2002ChevroletAvalanche 2500RearReplaces 1056830; Raybestos R-Line
2002ChevroletSilverado 1500RearChevorlet Brake Code Jh6; Raybestos R-Line
2002ChevroletSilverado 1500 HDRearR-Line
2002ChevroletSilverado 2500Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2002ChevroletSilverado 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2002ChevroletSuburban 25006.0LV8RearR-Line
2002GMCSierra 1500RearGMC Brake Code Jh6; Raybestos R-Line
2002GMCSierra 1500 HDRearR-Line
2002GMCSierra 2500Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2002GMCSierra 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2002GMCYukon XL 2500Rear4.63" Center Hole; R-Line
2001ChevroletSilverado 1500RearChevorlet Brake Code Jh6; Raybestos R-Line
2001ChevroletSilverado 1500 HDRearR-Line
2001ChevroletSilverado 2500Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2001ChevroletSilverado 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2001ChevroletSuburban 25006.0LV8RearR-Line
2001GMCSierra 15004WDRearGMC Brake Code Jh6; Raybestos R-Line
2001GMCSierra 1500 HDRearR-Line
2001GMCSierra 2500Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2001GMCSierra 2500 HDRear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2001GMCYukon XL 2500RearR-Line
2000ChevroletSilverado 2500Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2000ChevroletSuburban 2500RearR-Line
2000GMCSierra 2500Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
2000GMCYukon XL 2500RearR-Line
1999ChevroletSilverado 2500Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; R-Line
1999GMCSierra 2500Rear330 MM Diameter X 86.86 MM Overall Height Rotor; with 4.63 IN Center Hole; 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:

09.8812.80101005120.66043120.66043CRY121.66043125.66043125.66043CRY125656126.66043CSL126.66043CSR126.66043SL126.66043SR127.66043CR127.66043L127.66043R128.66043CL128.66043CR128.66043L128.66043R14-5505714526215712801177-86020-550572055057211253-C227.66043L227.66043R2704927306320.6604332550549309552-1256565505755057DG55057DL55057G5683056830FZN56830PER56830R56830RGS593095604-48039662574805683081-12565689-44043AR8643AR8643EAR8643EVCAX55057BD125656BD125656EBR55057BR5505702BR90166DL55057E12671048PS125656Q4041QBRR166QBRR196X51358YH145262YH145262CYH145262PYH2574

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

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