OE Quality
60-Day Returns

ZZZZ PRX39873 Disc Brake Rotor - Rear
Reliable Disc Brake Rotor for Porsche 718 Models
The PRX39873 disc brake rotor is designed specifically for Porsche 718 Boxster, 718 Cayman, Boxster, and Cayman models. Engineered to meet the precise fitment requirements of these vehicles, this rotor ensures consistent braking performance and safety.
- Compatible with Porsche 718 Boxster, 718 Cayman, Boxster, and Cayman
- Part number PRX39873 for exact fitment
- Disc brake rotor designed for optimal braking response
- Manufactured to meet OEM specifications
- Durable construction for long-lasting performance
Product Details and Specifications
This disc brake rotor, part number PRX39873, is crafted to provide reliable stopping power for Porsche 718 Boxster and Cayman models. Its design aligns with the original equipment standards, ensuring proper fit and function without modification. The rotor's material composition and machining process contribute to consistent heat dissipation and reduced brake fade during operation. This part is ideal for replacing worn or damaged rotors to maintain the vehicle's braking efficiency and safety.
Common Applications and Problem Solving
- Replacement for warped or scored brake rotors on Porsche 718 Boxster and Cayman
- Addresses brake pulsation or vibration issues during braking
- Restores braking performance after rotor wear or damage
- Helps eliminate noise caused by uneven rotor surfaces
- Supports safe and consistent stopping power under normal driving conditions
Installation Notes and Tips
When installing the PRX39873 disc brake rotor on Porsche 718 Boxster or Cayman models, ensure the rotor surface is clean and free of debris before mounting. It is recommended to inspect brake pads and replace them if worn to optimize braking performance. Proper torque specifications should be followed for rotor mounting bolts to avoid warping. After installation, perform a brake bed-in procedure to ensure even pad contact and rotor surface conditioning.
Quality Assurance and Warranty
This disc brake rotor is manufactured to meet or exceed OEM standards for fit and function on Porsche 718 Boxster and Cayman vehicles. While specific warranty details are not provided, the part number PRX39873 is backed by quality control processes to ensure durability and performance consistent with automotive industry requirements.
This part fits 58 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | Porsche | 718 Boxster | S | 2.5L | H4 | Rear | w/o I450 ceramic brake option | |||
| 2018 | Porsche | 718 Boxster | Base | 2.0L | H4 | Rear | w/o I450 ceramic brake option | |||
| 2018 | Porsche | 718 Boxster | GTS | 2.5L | H4 | Rear | w/o I450 ceramic brake option | |||
| 2018 | Porsche | 718 Cayman | S | 2.5L | H4 | Rear | w/o I450 ceramic brake option | |||
| 2018 | Porsche | 718 Cayman | Base | 2.0L | H4 | Rear | w/o I450 ceramic brake option | |||
| 2018 | Porsche | 718 Cayman | GTS | 2.5L | H4 | Rear | w/o I450 ceramic brake option | |||
| 2017 | Porsche | 718 Boxster | S | 2.5L | H4 | Rear | w/o I450 ceramic brake option | |||
| 2017 | Porsche | 718 Boxster | Base | 2.0L | H4 | Rear | w/o I450 ceramic brake option | |||
| 2017 | Porsche | 718 Cayman | S | 2.5L | H4 | Rear | w/o I450 ceramic brake option | |||
| 2017 | Porsche | 718 Cayman | Base | 2.0L | H4 | Rear | w/o I450 ceramic brake option | |||
| 2016 | Porsche | Boxster | S | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2016 | Porsche | Boxster | GTS | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2016 | Porsche | Cayman | S | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2016 | Porsche | Cayman | Base | 2.7L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2016 | Porsche | Cayman | GTS | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2016 | Porsche | Cayman | Black Edition | 2.7L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2015 | Porsche | Boxster | S | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2015 | Porsche | Boxster | GTS | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2015 | Porsche | Cayman | S | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2015 | Porsche | Cayman | Base | 2.7L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2015 | Porsche | Cayman | GTS | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2014 | Porsche | Boxster | S | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2014 | Porsche | Cayman | S | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2014 | Porsche | Cayman | Base | 2.7L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2013 | Porsche | Boxster | S | 3.4L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2012 | Porsche | Boxster | Convertible | RWD | 3.4L | H6 | GAS | Rear | ||
| 2012 | Porsche | Boxster | S | Convertible | RWD | 3.4L | H6 | GAS | Rear | |
| 2012 | Porsche | Boxster | 2.9L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2012 | Porsche | Cayman | Coupe | RWD | 3.4L | H6 | GAS | Rear | ||
| 2012 | Porsche | Cayman | 2.9L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2011 | Porsche | Boxster | Convertible | RWD | 3.4L | H6 | GAS | Rear | ||
| 2011 | Porsche | Boxster | 2.9L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2011 | Porsche | Cayman | Coupe | RWD | 3.4L | H6 | GAS | Rear | ||
| 2011 | Porsche | Cayman | 2.9L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2010 | Porsche | Boxster | Convertible | RWD | 3.4L | H6 | GAS | Rear | ||
| 2010 | Porsche | Boxster | 2.9L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2010 | Porsche | Cayman | Coupe | RWD | 3.4L | H6 | GAS | Rear | ||
| 2010 | Porsche | Cayman | 2.9L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2009 | Porsche | Boxster | Convertible | RWD | 3.4L | H6 | GAS | Rear | ||
| 2009 | Porsche | Boxster | 2.9L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2009 | Porsche | Cayman | 2.9L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2008 | Porsche | Boxster | Convertible | RWD | 3.4L | H6 | GAS | Rear | ||
| 2008 | Porsche | Boxster | 2.7L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2008 | Porsche | Boxster | Limited Edition | 2.7L | H6 | Rear | w/o I450 ceramic brake option | |||
| 2008 | Porsche | Cayman | Coupe | RWD | 3.4L | H6 | GAS | Rear | ||
| 2008 | Porsche | Cayman | 2.7L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2007 | Porsche | Boxster | Convertible | RWD | 3.4L | H6 | GAS | Rear | ||
| 2007 | Porsche | Boxster | 2.7L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2007 | Porsche | Cayman | 2.7L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2006 | Porsche | Boxster | Convertible | RWD | 3.2L | H6 | GAS | Rear | ||
| 2006 | Porsche | Boxster | S | Convertible | RWD | 3.2L | H6 | GAS | Rear | |
| 2006 | Porsche | Boxster | 2.7L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2005 | Porsche | Boxster | Convertible | RWD | 3.2L | H6 | GAS | Rear | ||
| 2005 | Porsche | Boxster | S | Convertible | RWD | 3.2L | H6 | GAS | Rear | |
| 2005 | Porsche | Boxster | 2.7L | H6 | Rear | w/o I450 ceramic brake option | ||||
| 2004 | Porsche | Boxster | Convertible | RWD | 2.7L | H6 | GAS | Rear | ||
| 2004 | Porsche | Boxster | Convertible | RWD | 3.2L | H6 | GAS | Rear | ||
| 2004 | Porsche | Boxster | S | Convertible | RWD | 3.2L | H6 | GAS | Rear |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.