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Centric 121.20021 Disc Brake Rotor - Rear
Reliable Disc Brake Rotor for Jaguar Vanden Plas, XJR, and XKR
The Centric C-TEK Standard Disc Brake Rotor 121.20021 is engineered to meet the braking demands of Jaguar Vanden Plas, XJR, and XKR models. Designed with precision, this vented rotor offers consistent performance and durability for your vehicle's braking system.
- Vented disc brake rotor with straight vane design for effective heat dissipation
- Nominal thickness of 1.102 inches (28.000 mm) and discard thickness of 1.024 inches (26.000 mm)
- Overall height measures 2.598 inches (66.000 mm) ensuring proper fitment
- Outside diameter of 12.992 inches (330.000 mm) compatible with specified Jaguar models
- Five stud/lug holes with a diameter of 0.524 inches (13.300 mm) and 4.752 inches (120.700 mm) bolt circle diameter
- Center hole diameter of 2.894 inches (73.500 mm) for accurate mounting
- Solid smooth surface type without ABS tone ring included
- Weight approximately 21 lbs (9.55 kgs) for balanced rotor performance
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 rotors with precise dimensions and quality materials to ensure consistent braking performance and fitment. The 121.20021 rotor is part of this line, delivering a vented design that helps maintain optimal operating temperatures during braking for Jaguar Vanden Plas, XJR, and XKR vehicles.
Product Details and Specifications
This Centric rotor features a vented design with straight vanes that promote efficient airflow and heat dissipation, reducing the risk of brake fade during extended use. The nominal thickness of 1.102 inches (28.000 mm) and discard thickness of 1.024 inches (26.000 mm) provide clear service limits for maintenance. The rotor's overall height of 2.598 inches (66.000 mm) and outside diameter of 12.992 inches (330.000 mm) ensure proper alignment and compatibility with the braking system of Jaguar Vanden Plas, XJR, and XKR models. The rotor includes five lug holes with a diameter of 0.524 inches (13.300 mm) arranged on a 4.752 inch (120.700 mm) bolt circle diameter, and a center hole diameter of 2.894 inches (73.500 mm) for secure mounting. This rotor does not include an ABS tone ring or bearings.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation or noise
- Restores braking efficiency for Jaguar Vanden Plas, XJR, and XKR models
- Addresses rotor thickness below discard limits to maintain safety
- Improves heat dissipation to reduce brake fade during heavy braking
- Ensures proper rotor fitment and alignment to prevent uneven pad wear
Installation Notes and Tips
Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is above the discard thickness limit of 1.024 inches (26.000 mm) before use. Use proper torque specifications for the five lug nuts to avoid rotor warping. This rotor is designed for vehicles without ABS tone rings, so confirm compatibility with your braking system. It is recommended to replace brake pads simultaneously for optimal braking performance.
Quality Assurance and Warranty
Centric C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards and OEM specifications. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.
| Brand | Centric |
|---|---|
| Part Number | 121.20021 |
| Position | C-TEK Standard Disc Brake Rotors, Rear |
| Discard Thickness | 1.024 |
| Discard Thickness | 26.000 |
| Nominal Thickness | 1.102 |
| Nominal Thickness | 28.000 |
| Overall Height | 2.598 |
| Overall Height | 66.000 |
| Outside Diameter | 12.992 |
| Outside Diameter | 330.000 |
| ABS Tone Ring Included | No |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Vented |
| Nominal Drum Diameter | 179.700 |
| Nominal Drum Diameter | 7.075 |
| Bearings Included | No |
| Center Hole Diameter | 2.894 |
| Center Hole Diameter | 73.500 |
| Mounting Bolt Hole Circle Diameter | 120.700 |
| Mounting Bolt Hole Circle Diameter | 4.752 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 0.524 |
| Stud/Lug Hole Diameter | 13.300 |
| Disc Mounting [cntrc] | Floating / dih |
| Misc Holes [cntrc] | 1 |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 9.550 |
| Weight [cntrc] lbs | 21.000 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2006 | Jaguar | XKR | Rear | C-TEK Standard Disc Brake Rotors | |
| 2005 | Jaguar | XKR | Rear | C-TEK Standard Disc Brake Rotors | |
| 2004 | Jaguar | XKR | Rear | C-TEK Standard Disc Brake Rotors | |
| 2003 | Jaguar | Vanden Plas | Rear | 330mm Rear Disc; 355mm Front Disc; C-TEK Standard Disc Brake Rotors | |
| 2003 | Jaguar | XJR | Rear | Fr Ch# F39526; C-TEK Standard Disc Brake Rotors | |
| 2003 | Jaguar | XKR | Rear | 330mm Rear Disc; 355mm Front Disc; C-TEK Standard Disc Brake Rotors | |
| 2002 | Jaguar | Vanden Plas | Rear | 330mm Rear Disc; 355mm Front Disc; C-TEK Standard Disc Brake Rotors | |
| 2002 | Jaguar | XJR | Rear | Fr Ch# F39526; C-TEK Standard Disc Brake Rotors | |
| 2002 | Jaguar | XKR | Base | Rear | 355mm Front & 330mm Rear Disc; C-TEK Standard Disc Brake Rotors |
| 2001 | Jaguar | XKR | Silverstone | Rear | XKR100; C-TEK Standard Disc Brake Rotors |
| 2001 | Jaguar | XKR | Base | Rear | 355mm Front & 330mm Rear Disc; C-TEK Standard Disc Brake Rotors |
| 2000 | Jaguar | XKR | Rear | 355mm Front & 330mm Rear Disc; Fr Ch# A22191; 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.