HomeCentric 121.66065 Disc Brake Rotor - Rear
Part #: 121.66065

Centric 121.66065 Disc Brake Rotor - Rear

C-TEK Standard Disc Brake Rotors, Rear
136 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$73.23Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
C-TEK Standard Disc Brake Rotors, Rear
Fitment: Cadillac, Chevrolet, and GMC, Escalade, Escalade ESV, Suburban, Tahoe, Yukon, Yukon XL, Silverado 1500, Sierra 1500, Sierra 1500 Limited, Cheyenne, Suburban 1500, Sierra, Yukon XL 1500, Escalade EXT, and Avalanche
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Disc Brake Rotor for GM Trucks and SUVs

The Centric C-TEK Standard Disc Brake Rotor 121.66065 is engineered to provide consistent braking performance for select Cadillac, Chevrolet, and GMC vehicles. Designed specifically for models like the Chevrolet Silverado 1500 and GMC Sierra 1500, this vented rotor ensures effective heat dissipation and durability under demanding conditions.

  • Vented disc brake rotor with smooth surface finish
  • Outside diameter: 13.583 inches (345.0 mm)
  • Nominal thickness: 0.787 inches (20.0 mm); discard thickness: 0.728 inches (18.5 mm)
  • Overall height: 3.362 inches (85.4 mm)
  • 6 lug holes with 0.650 inch (16.5 mm) diameter
  • Center hole diameter: 3.091 inches (78.5 mm)
  • Mounting bolt hole circle diameter: 5.5 inches (139.7 mm)
  • Weight approximately 21.5 lbs (9.77 kgs)
  • ABS tone ring not included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers reliable replacement rotors designed to meet or exceed OEM specifications. This product line focuses on providing solid and vented rotors with precise fitment and consistent performance. The 121.66065 rotor is a vented type with straight vanes, engineered to maintain optimal braking efficiency and heat management for heavy-duty applications in trucks and SUVs.

Product Details and Specifications

This Centric rotor features a vented design with straight vanes to improve airflow and reduce brake fade during extended use. The smooth surface finish ensures even pad contact and reduces noise. With a nominal thickness of 0.787 inches and a discard thickness of 0.728 inches, this rotor maintains structural integrity throughout its service life. The rotor’s overall height of 3.362 inches and precise mounting dimensions ensure compatibility with specific GM models including Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon XL.

Common Applications and Problem Solving

  • Replacement for worn or warped rotors causing brake pulsation
  • Restores braking performance on Chevrolet Silverado 1500 and GMC Sierra 1500
  • Addresses excessive brake noise due to uneven rotor surfaces
  • Improves heat dissipation to reduce brake fade in heavy-duty use
  • Compatible with vehicles lacking ABS tone ring requirements

Installation Notes and Tips

  • Ensure rotor thickness is above discard thickness before installation
  • Clean rotor surface to remove any protective coating before mounting
  • Verify bolt hole alignment and lug hole count (6 lug holes) for proper fit
  • Check caliper and pad condition to complement rotor replacement
  • Torque lug nuts to manufacturer specifications to avoid rotor warping

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards and OEM fitment requirements. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Using part number 121.66065 ensures compatibility with select Cadillac, Chevrolet, and GMC trucks and SUVs, providing a dependable braking solution.

BrandCentric
Part Number121.66065
PositionC-TEK Standard Disc Brake Rotors, Rear
ABS Tone Ring IncludedNo
Bearings IncludedNo
Center Hole Diameter3.091
Center Hole Diameter78.500
Disc Mounting [cntrc]Floating / DIH
Discard Thickness0.728
Discard Thickness18.500
Hat ID [cntrc] in7.343
Hat ID [cntrc] mm186.500
Max PB Drum Dia [cntrc] in8.339
Max PB Drum Dia [cntrc] mm211.800
Misc Holes [cntrc]2
Mounting Bolt Hole Circle Diameter5.500
Mounting Bolt Hole Circle Diameter139.700
Nominal Drum Diameter8.248
Nominal Drum Diameter209.500
Nominal Thickness0.787
Nominal Thickness20.000
Outside Diameter13.583
Outside Diameter345.000
Overall Height3.362
Overall Height85.400
Solid Or Vented Type RotorVented
Stud/Lug Hole Diameter0.650
Stud/Lug Hole Diameter16.500
Stud/Lug Hole Quantity6
Surface TypeSmooth
Vane Style [cntrc]Straight
Weight [cntrc] kgs9.770
Weight [cntrc] lbs21.500

This part fits 136 vehicles. Search below:

YearMakeModelPositionNotes
2020CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2020CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2020ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2020GMCYukonRearC-TEK Standard Disc Brake Rotors
2020GMCYukon XLRearC-TEK Standard Disc Brake Rotors
2019CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2019CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2019ChevroletSilverado 1500RearOld Body Style; C-TEK Standard Disc Brake Rotors
2019ChevroletSilverado 1500 LDRearCTEK Standard Disc Brake Rotors
2019ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2019GMCSierra 1500RearOld Body Style; C-TEK Standard Disc Brake Rotors
2019GMCSierra 1500 LimitedRearOld Body Style; C-TEK Standard Disc Brake Rotors
2019GMCYukonRearC-TEK Standard Disc Brake Rotors
2019GMCYukon XLRearC-TEK Standard Disc Brake Rotors
2018CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2018CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2018ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2018ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2018GMCSierra 1500RearC-TEK Standard Disc Brake Rotors
2018GMCYukonRearC-TEK Standard Disc Brake Rotors
2018GMCYukon XLRearC-TEK Standard Disc Brake Rotors
2017CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2017CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2017ChevroletCheyenneRearC-TEK Standard Disc Brake Rotors
2017ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2017ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2017GMCSierra 1500RearC-TEK Standard Disc Brake Rotors
2017GMCYukonRearC-TEK Standard Disc Brake Rotors
2017GMCYukon XLRearC-TEK Standard Disc Brake Rotors
2016CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2016CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2016ChevroletCheyenneRearC-TEK Standard Disc Brake Rotors
2016ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2016ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2016GMCSierra 1500RearC-TEK Standard Disc Brake Rotors
2016GMCYukonRearC-TEK Standard Disc Brake Rotors
2016GMCYukon XLRearC-TEK Standard Disc Brake Rotors
2015CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2015CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2015ChevroletCheyenneRearC-TEK Standard Disc Brake Rotors
2015ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2015ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2015GMCSierra 1500RearC-TEK Standard Disc Brake Rotors
2015GMCYukonRearC-TEK Standard Disc Brake Rotors
2015GMCYukon XLRearC-TEK Standard Disc Brake Rotors
2014CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2014CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2014ChevroletCheyenneRearC-TEK Standard Disc Brake Rotors
2014ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2014ChevroletSuburban 1500RearC-TEK Standard Disc Brake Rotors
2014ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2014GMCSierraRearC-TEK Standard Disc Brake Rotors
2014GMCSierra 1500RearC-TEK Standard Disc Brake Rotors
2014GMCYukonRearC-TEK Standard Disc Brake Rotors
2014GMCYukon XL 1500RearC-TEK Standard Disc Brake Rotors
2013CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2013CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2013CadillacEscalade EXTRearC-TEK Standard Disc Brake Rotors
2013ChevroletAvalancheRearC-TEK Standard Disc Brake Rotors
2013ChevroletCheyenneRearC-TEK Standard Disc Brake Rotors
2013ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2013ChevroletSuburban 1500RearC-TEK Standard Disc Brake Rotors
2013ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2013GMCSierraRearC-TEK Standard Disc Brake Rotors
2013GMCSierra 1500RearC-TEK Standard Disc Brake Rotors
2013GMCYukonRearC-TEK Standard Disc Brake Rotors
2013GMCYukon XL 1500RearC-TEK Standard Disc Brake Rotors
2012CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2012CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2012CadillacEscalade EXTRearC-TEK Standard Disc Brake Rotors
2012ChevroletAvalancheRearC-TEK Standard Disc Brake Rotors
2012ChevroletCheyenneRearC-TEK Standard Disc Brake Rotors
2012ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2012ChevroletSuburban 1500RearC-TEK Standard Disc Brake Rotors
2012ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2012GMCSierraRearC-TEK Standard Disc Brake Rotors
2012GMCSierra 1500RearC-TEK Standard Disc Brake Rotors
2012GMCYukonRearC-TEK Standard Disc Brake Rotors
2012GMCYukon XL 1500RearC-TEK Standard Disc Brake Rotors
2011CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2011CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2011CadillacEscalade EXTRearC-TEK Standard Disc Brake Rotors
2011ChevroletAvalancheRearC-TEK Standard Disc Brake Rotors
2011ChevroletCheyenneRearC-TEK Standard Disc Brake Rotors
2011ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2011ChevroletSuburban 1500RearC-TEK Standard Disc Brake Rotors
2011ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2011GMCSierraRearC-TEK Standard Disc Brake Rotors
2011GMCSierra 1500RearC-TEK Standard Disc Brake Rotors
2011GMCYukonRearC-TEK Standard Disc Brake Rotors
2011GMCYukon XL 1500RearC-TEK Standard Disc Brake Rotors
2010CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2010CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2010CadillacEscalade EXTRearC-TEK Standard Disc Brake Rotors
2010ChevroletAvalancheRearC-TEK Standard Disc Brake Rotors
2010ChevroletCheyenneRearC-TEK Standard Disc Brake Rotors
2010ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2010ChevroletSuburban 1500RearC-TEK Standard Disc Brake Rotors
2010ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2010GMCSierraRearC-TEK Standard Disc Brake Rotors
2010GMCSierra 1500RearC-TEK Standard Disc Brake Rotors
2010GMCYukonRearC-TEK Standard Disc Brake Rotors
2010GMCYukon XL 1500RearC-TEK Standard Disc Brake Rotors
2009CadillacEscaladeRearC-TEK Standard Disc Brake Rotors
2009CadillacEscalade ESVRearC-TEK Standard Disc Brake Rotors
2009CadillacEscalade EXTRearC-TEK Standard Disc Brake Rotors
2009ChevroletAvalancheRearC-TEK Standard Disc Brake Rotors
2009ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2009ChevroletSuburban 1500RearC-TEK Standard Disc Brake Rotors
2009ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2009GMCSierraRearC-TEK Standard Disc Brake Rotors
2009GMCSierra 1500RearC-TEK Standard Disc Brake Rotors
2009GMCYukonRearC-TEK Standard Disc Brake Rotors
2009GMCYukon XL 1500RearC-TEK Standard Disc Brake Rotors
2008CadillacEscaladeRearFront Bracket Cast# 351C/352C; C-TEK Standard Disc Brake Rotors
2008CadillacEscalade ESVRearFront Bracket Cast# 351C/352C; C-TEK Standard Disc Brake Rotors
2008CadillacEscalade EXTRearFront Bracket Cast# 351C/352C; C-TEK Standard Disc Brake Rotors
2008ChevroletAvalancheRearFront Bracket Cast# 351C/352C; C-TEK Standard Disc Brake Rotors
2008ChevroletSilverado 1500RearC-TEK Standard Disc Brake Rotors
2008ChevroletSuburban 1500RearFront Bracket Cast# 351C/352C; C-TEK Standard Disc Brake Rotors
2008ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2008GMCSierraRearC-TEK Standard Disc Brake Rotors
2008GMCSierra 1500RearFront Caliper Bracket Cast #351C/352C; C-TEK Standard Disc Brake Rotors
2008GMCYukonRearC-TEK Standard Disc Brake Rotors
2008GMCYukon XL 1500RearFront Bracket Cast# 351C/352C; C-TEK Standard Disc Brake Rotors
2007CadillacEscaladeRearFront Bracket Cast# 285C/286C; C-TEK Standard Disc Brake Rotors
2007CadillacEscalade ESVRearFront Bracket Cast# 285C/286C; C-TEK Standard Disc Brake Rotors
2007CadillacEscalade EXTRearFront Bracket Cast# 285C/286C; C-TEK Standard Disc Brake Rotors
2007ChevroletAvalancheRearFront Bracket Cast# 285C/286C; C-TEK Standard Disc Brake Rotors
2007ChevroletSilverado 1500RearNew Silverado GMT 900; C-TEK Standard Disc Brake Rotors
2007ChevroletSuburban 1500RearFront Bracket Cast# 285C/286C; C-TEK Standard Disc Brake Rotors
2007ChevroletTahoeRearC-TEK Standard Disc Brake Rotors
2007GMCSierraRearC-TEK Standard Disc Brake Rotors
2007GMCSierra 1500RearNew Sierra GMT 900; C-TEK Standard Disc Brake Rotors
2007GMCYukonRearC-TEK Standard Disc Brake Rotors
2007GMCYukon XL 1500RearFront Bracket Cast# 285C/286C; C-TEK Standard 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.