HomeBrake > Drums and RotorsCentric 120.66050 Disc Brake Rotor - Rear
Part #: 120.66050

Centric 120.66050 Disc Brake Rotor - Rear

Centric Premium Disc Brake Rotors, Rear
39 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Centric Premium Disc Brake Rotors, Rear
Fitment: Chevrolet and GMC, Silverado 3500 HD, Sierra 3500 HD, Express 3500, Savana 3500, Silverado 3500, Silverado 3500 Classic, Sierra 3500 Classic, and Sierra 3500
Easy Returns — Return within 60 days for a full refund
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Overview of Centric Premium Disc Brake Rotor 120.66050

The Centric Premium Disc Brake Rotor 120.66050 is engineered for reliable braking performance on heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Silverado 3500 and Sierra 3500 HD, this vented rotor ensures consistent heat dissipation and durability under demanding conditions.

  • Compatible with Chevrolet Express 3500, GMC Savana 3500, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado 3500, Silverado 3500 Classic, and Silverado 3500 HD
  • Vented disc brake rotor with a smooth surface finish for optimal pad contact
  • Coated hat finish to resist corrosion and extend rotor life
  • 8 bolt holes with a mounting bolt hole circle diameter of 165.1 mm (6.5 inches)
  • Nominal outside diameter of 325 mm (12.795 inches) and overall height of 131.5 mm (5.177 inches)
  • Nominal thickness of 30 mm (1.181 inches) with a discard thickness of 28.5 mm (1.122 inches)

Detailed Product Description

This Centric Premium Disc Brake Rotor 120.66050 is a vented rotor designed to improve heat dissipation during braking, reducing the risk of brake fade on heavy-duty trucks. The smooth surface type ensures even pad wear and consistent braking performance. The rotor features a coated hat finish that protects against rust and corrosion, which is essential for vehicles exposed to harsh environments. With 8 bolt holes and a mounting bolt hole circle diameter of 165.1 mm, it fits securely on the hub, which has a center hole diameter of 122.8 mm. The rotor’s nominal thickness of 30 mm and discard thickness of 28.5 mm provide a clear service life indicator to maintain safety and performance.

About Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line is designed to meet or exceed OEM specifications for fit, form, and function. This product line focuses on delivering rotors with enhanced durability and corrosion resistance, making them suitable for heavy-duty applications such as the Chevrolet Silverado 3500 and GMC Sierra 3500 HD. The coated hat finish and vented design are key features of this line, aimed at improving rotor longevity and braking efficiency.

Common Applications and Problem Solving

  • Replacement for worn or warped rotors causing brake pulsation
  • Addressing rotor corrosion and surface rust that affect braking smoothness
  • Improving heat dissipation to reduce brake fade during heavy towing or hauling
  • Restoring proper rotor thickness to maintain safe braking performance
  • Ensuring compatibility with 8-lug heavy-duty Chevrolet and GMC trucks

Installation Notes and Tips

  • Verify rotor dimensions and bolt pattern compatibility with your specific vehicle model
  • Inspect brake pads and replace if worn to ensure optimal rotor performance
  • Clean hub mounting surface before installation to prevent runout and vibration
  • Torque lug nuts to manufacturer specifications to avoid rotor damage
  • Check rotor thickness regularly and replace when reaching discard thickness of 28.5 mm

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 120.66050 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.

BrandCentric
Part Number120.66050
PositionCentric Premium Disc Brake Rotors, Rear
165.1
ABS Tone Ring IncludedNo
Bearings IncludedNo
Bolt Hole Quantity8
Center Hole Diameter4.835
Center Hole Diameter122.800
Disc Mounting [cntrc]Floating / DIH
Discard Thickness1.122
Discard Thickness28.5
Discard Thickness28.500
Hat FinishCoated
Height131.5
Hub Hole/Whl Reg mm122.8
Max PB Drum Dia [cntrc] in8.177
Max PB Drum Dia [cntrc] mm207.700
Misc Holes [cntrc]0
Mounting Bolt Hole Circle Diameter6.500
Mounting Bolt Hole Circle Diameter165.100
Mounting TypeFloating / DIH
Nominal Drum Diameter8.118
Nominal Drum Diameter206.200
Nominal Thickness1.181
Nominal Thickness30
Nominal Thickness30.000
Outside Diameter12.795
Outside Diameter325
Outside Diameter325.000
Overall Height5.177
Overall Height131.500
Solid Or Vented Type RotorVented
Stud/Lug Hole Diameter0.646
Stud/Lug Hole Diameter16.400
Stud/Lug Hole Quantity8
Surface TypeSmooth
Vane StyleStraight
Vane Style [cntrc]Straight
Weight [cntrc] kgs13.180
Weight [cntrc] lbs29.000

This part fits 39 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2010ChevroletSilverado 3500 HDRearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2010GMCSierra 3500 HDRearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2009ChevroletSilverado 3500 HDRearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2009GMCSierra 3500 HDRearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2008ChevroletExpress 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2008ChevroletSilverado 3500 HDRearDRW; GMT 900 Series; Centric Premium Disc Brake Rotors
2008GMCSavana 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2008GMCSierra 3500 HDRearDRW; GMT 900 Series; Centric Premium Disc Brake Rotors
2007ChevroletExpress 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2007ChevroletSilverado 3500RearDRW; GMT 800 Series; Centric Premium Disc Brake Rotors
2007ChevroletSilverado 3500 ClassicRearDRW; GMT 800 Series; Centric Premium Disc Brake Rotors
2007ChevroletSilverado 3500 HDRearDRW; GMT 900 Series; Centric Premium Disc Brake Rotors
2007GMCSavana 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2007GMCSierra 3500 ClassicRearDRW; GMT 800 Series; Centric Premium Disc Brake Rotors
2007GMCSierra 3500 HDRearDRW; GMT 900 Series; Centric Premium Disc Brake Rotors
2006ChevroletExpress 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2006ChevroletSilverado 3500RearDRW; GMT 800 Series; Centric Premium Disc Brake Rotors
2006GMCSavana 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2006GMCSierra 3500RearDRW; GMT 800 Series; Centric Premium Disc Brake Rotors
2005ChevroletExpress 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2005ChevroletSilverado 3500RWDRearCentric Premium Disc Brake Rotors
2005ChevroletSilverado 35004WDRearDRW; GMT 800 Series; Centric Premium Disc Brake Rotors
2005GMCSavana 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2005GMCSierra 3500RWDRearCentric Premium Disc Brake Rotors
2005GMCSierra 35004WDRearDRW; GMT 800 Series; Centric Premium Disc Brake Rotors
2004ChevroletExpress 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2004ChevroletSilverado 3500RWDRearCentric Premium Disc Brake Rotors
2004ChevroletSilverado 35004WDRearDRW; GMT 800 Series; Centric Premium Disc Brake Rotors
2004GMCSavana 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2004GMCSierra 3500RWDRearCentric Premium Disc Brake Rotors
2004GMCSierra 35004WDRearDRW; GMT 800 Series; Centric Premium Disc Brake Rotors
2003ChevroletExpress 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2003ChevroletSilverado 3500RearCentric Premium Disc Brake Rotors
2003GMCSavana 3500RearFitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors
2003GMCSierra 3500RearCentric Premium Disc Brake Rotors
2002ChevroletSilverado 3500RearCentric Premium Disc Brake Rotors
2002GMCSierra 3500RearCentric Premium Disc Brake Rotors
2001ChevroletSilverado 3500RearCentric Premium Disc Brake Rotors
2001GMCSierra 3500RearCentric Premium Disc Brake Rotors

* 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:

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