/live/media/CE/CE_12137002_Fro.jpg)
OE Quality
60-Day Returns
Centric 121.37002 Disc Brake Rotor - Rear
Rear Disc Brake Rotor for Porsche 911
Centric C-TEK Standard Disc Brake Rotor 121.37002 is a rear vented rotor built for select Porsche 911 applications from 1969-1983. It combines smooth surface construction with the dimensions needed for proper brake service on classic 911 models.
Key Features
- Centric C-TEK Standard Disc Brake Rotors line for everyday brake service
- Rear position rotor for Porsche 911 applications
- Vented rotor design with straight vanes for heat management
- Smooth surface type for consistent pad contact
- Outside diameter: 11.417 in. / 290 mm
- Nominal thickness: 0.787 in. / 20.000 mm
- Discard thickness: 0.709 in. / 18.000 mm
- Overall height: 3.268 in. / 83.000 mm
- Center hole diameter: 3.543 in. / 90.000 mm
- 5-lug pattern with 5 mounting bolt holes
Product Details
Centric’s C-TEK Standard Disc Brake Rotors line is built for service life, value, and dependable braking performance across a wide range of applications. Part number 121.37002 is a rear vented disc brake rotor with a floating/DIH disc mounting design, 5 lug holes, and no ABS tone ring or bearings included. This rotor cross-references Raybestos Brakes 96394R for the same application. For Porsche 911 rear brake service, 121.37002 provides the key dimensions and vented construction needed for a direct-fit replacement on listed vehicles.
What This Rotor Helps Address
- Brake pulsation caused by rotor wear or thickness variation
- Reduced braking performance from a worn rear rotor
- Noise or vibration related to an uneven rotor surface
- Service replacement needs on Porsche 911 rear brake systems
- Heat buildup concerns in vented rear rotor applications
Installation Notes and Tips
Verify rotor dimensions, hub fitment, and brake hardware condition before installation. This rear rotor is listed for 1969-1973 Porsche 911 rear applications with vented disc brake caliper setups, 1974-1977 Porsche 911 rear, and 1978-1983 Porsche 911 rear except Turbo Look. Confirm pad condition and inspect calipers, bearings, and mounting surfaces during brake service. Part number 121.37002 should be matched to the vehicle’s rear brake configuration before installation.
Quality Assurance
Centric manufactures the C-TEK Standard Disc Brake Rotors line to deliver practical performance and value for routine brake repair. The rotor is built to the listed specifications for consistent fitment on approved Porsche 911 rear applications.
| Brand | Centric |
|---|---|
| Part Number | 121.37002 |
| Position | C-TEK Standard Disc Brake Rotors, Rear |
| Discard Thickness | 0.709 |
| Discard Thickness | 18.000 |
| Nominal Thickness | 0.787 |
| Nominal Thickness | 20.000 |
| Overall Height | 3.268 |
| Overall Height | 83.000 |
| Outside Diameter | 11.417 |
| Outside Diameter | 290.000 |
| ABS Tone Ring Included | No |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Vented |
| Nominal Drum Diameter | 180.000 |
| Nominal Drum Diameter | 7.087 |
| Bearings Included | No |
| Center Hole Diameter | 3.543 |
| Center Hole Diameter | 90.000 |
| Mounting Bolt Hole Circle Diameter | 130.000 |
| Mounting Bolt Hole Circle Diameter | 5.118 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 0.610 |
| Stud/Lug Hole Diameter | 15.500 |
| Disc Mounting [cntrc] | Floating / dih |
| Misc Holes [cntrc] | 5 |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 6.260 |
| Weight [cntrc] lbs | 13.780 |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1983 | Porsche | 911 | Rear | exc Turbo Look; C-TEK Standard Disc Brake Rotors |
| 1982 | Porsche | 911 | Rear | exc Turbo Look; C-TEK Standard Disc Brake Rotors |
| 1981 | Porsche | 911 | Rear | exc Turbo Look; C-TEK Standard Disc Brake Rotors |
| 1980 | Porsche | 911 | Rear | exc Turbo Look; C-TEK Standard Disc Brake Rotors |
| 1979 | Porsche | 911 | Rear | exc Turbo Look; C-TEK Standard Disc Brake Rotors |
| 1978 | Porsche | 911 | Rear | exc Turbo Look; C-TEK Standard Disc Brake Rotors |
| 1977 | Porsche | 911 | Rear | C-TEK Standard Disc Brake Rotors |
| 1976 | Porsche | 911 | Rear | C-TEK Standard Disc Brake Rotors |
| 1975 | Porsche | 911 | Rear | C-TEK Standard Disc Brake Rotors |
| 1974 | Porsche | 911 | Rear | C-TEK Standard Disc Brake Rotors |
| 1973 | Porsche | 911 | Rear | Vented Disc Brake Caliper - Fits various vehicle models; C-TEK Standard Disc Brake Rotors |
| 1972 | Porsche | 911 | Rear | Vented Disc Brake Caliper - Fits various vehicle models; C-TEK Standard Disc Brake Rotors |
| 1971 | Porsche | 911 | Rear | Vented Disc Brake Caliper - Fits various vehicle models; C-TEK Standard Disc Brake Rotors |
| 1970 | Porsche | 911 | Rear | Vented Disc Brake Caliper - Fits various vehicle models; C-TEK Standard Disc Brake Rotors |
| 1969 | Porsche | 911 | Rear | Vented Disc Brake Caliper - Fits various vehicle models; 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.