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Centric 120.66050 Disc Brake Rotor - Rear
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.
| Brand | Centric |
|---|---|
| Part Number | 120.66050 |
| Position | Centric Premium Disc Brake Rotors, Rear |
| 165.1 | |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Bolt Hole Quantity | 8 |
| Center Hole Diameter | 4.835 |
| Center Hole Diameter | 122.800 |
| Disc Mounting [cntrc] | Floating / DIH |
| Discard Thickness | 1.122 |
| Discard Thickness | 28.5 |
| Discard Thickness | 28.500 |
| Hat Finish | Coated |
| Height | 131.5 |
| Hub Hole/Whl Reg mm | 122.8 |
| Max PB Drum Dia [cntrc] in | 8.177 |
| Max PB Drum Dia [cntrc] mm | 207.700 |
| Misc Holes [cntrc] | 0 |
| Mounting Bolt Hole Circle Diameter | 6.500 |
| Mounting Bolt Hole Circle Diameter | 165.100 |
| Mounting Type | Floating / DIH |
| Nominal Drum Diameter | 8.118 |
| Nominal Drum Diameter | 206.200 |
| Nominal Thickness | 1.181 |
| Nominal Thickness | 30 |
| Nominal Thickness | 30.000 |
| Outside Diameter | 12.795 |
| Outside Diameter | 325 |
| Outside Diameter | 325.000 |
| Overall Height | 5.177 |
| Overall Height | 131.500 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.646 |
| Stud/Lug Hole Diameter | 16.400 |
| Stud/Lug Hole Quantity | 8 |
| Surface Type | Smooth |
| Vane Style | Straight |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 13.180 |
| Weight [cntrc] lbs | 29.000 |
This part fits 39 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2010 | Chevrolet | Silverado 3500 HD | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2010 | GMC | Sierra 3500 HD | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2009 | Chevrolet | Silverado 3500 HD | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2009 | GMC | Sierra 3500 HD | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2008 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2008 | Chevrolet | Silverado 3500 HD | Rear | DRW; GMT 900 Series; Centric Premium Disc Brake Rotors | |
| 2008 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2008 | GMC | Sierra 3500 HD | Rear | DRW; GMT 900 Series; Centric Premium Disc Brake Rotors | |
| 2007 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2007 | Chevrolet | Silverado 3500 | Rear | DRW; GMT 800 Series; Centric Premium Disc Brake Rotors | |
| 2007 | Chevrolet | Silverado 3500 Classic | Rear | DRW; GMT 800 Series; Centric Premium Disc Brake Rotors | |
| 2007 | Chevrolet | Silverado 3500 HD | Rear | DRW; GMT 900 Series; Centric Premium Disc Brake Rotors | |
| 2007 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2007 | GMC | Sierra 3500 Classic | Rear | DRW; GMT 800 Series; Centric Premium Disc Brake Rotors | |
| 2007 | GMC | Sierra 3500 HD | Rear | DRW; GMT 900 Series; Centric Premium Disc Brake Rotors | |
| 2006 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2006 | Chevrolet | Silverado 3500 | Rear | DRW; GMT 800 Series; Centric Premium Disc Brake Rotors | |
| 2006 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2006 | GMC | Sierra 3500 | Rear | DRW; GMT 800 Series; Centric Premium Disc Brake Rotors | |
| 2005 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2005 | Chevrolet | Silverado 3500 | RWD | Rear | Centric Premium Disc Brake Rotors |
| 2005 | Chevrolet | Silverado 3500 | 4WD | Rear | DRW; GMT 800 Series; Centric Premium Disc Brake Rotors |
| 2005 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2005 | GMC | Sierra 3500 | RWD | Rear | Centric Premium Disc Brake Rotors |
| 2005 | GMC | Sierra 3500 | 4WD | Rear | DRW; GMT 800 Series; Centric Premium Disc Brake Rotors |
| 2004 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2004 | Chevrolet | Silverado 3500 | RWD | Rear | Centric Premium Disc Brake Rotors |
| 2004 | Chevrolet | Silverado 3500 | 4WD | Rear | DRW; GMT 800 Series; Centric Premium Disc Brake Rotors |
| 2004 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2004 | GMC | Sierra 3500 | RWD | Rear | Centric Premium Disc Brake Rotors |
| 2004 | GMC | Sierra 3500 | 4WD | Rear | DRW; GMT 800 Series; Centric Premium Disc Brake Rotors |
| 2003 | Chevrolet | Express 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2003 | Chevrolet | Silverado 3500 | Rear | Centric Premium Disc Brake Rotors | |
| 2003 | GMC | Savana 3500 | Rear | Fitment: Heavy Duty Dual Rear Wheels.; Centric Premium Disc Brake Rotors | |
| 2003 | GMC | Sierra 3500 | Rear | Centric Premium Disc Brake Rotors | |
| 2002 | Chevrolet | Silverado 3500 | Rear | Centric Premium Disc Brake Rotors | |
| 2002 | GMC | Sierra 3500 | Rear | Centric Premium Disc Brake Rotors | |
| 2001 | Chevrolet | Silverado 3500 | Rear | Centric Premium Disc Brake Rotors | |
| 2001 | GMC | Sierra 3500 | Rear | Centric 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.