
The SHW PRX39873 is a cross-drilled monobloc rear brake rotor for 2017-2018 Porsche 718 Boxster 2.0L w/o Ceramic Brakes. It measures 299 x 20 mm, weighs 5.8 kg, and is made in Germany. SHW lists OEM reference 98735240101 for this application. It is a straightforward vehicle-specific replacement choice for a brake refresh when you want the correct rotor position, dimensions, and configuration clearly identified.
If the existing disc is worn, scored, heat-checked, damaged, or otherwise due for replacement, confirming the correct rotor specification is an important part of the brake service. This SHW rotor is specified with monobloc construction, a cross-drilled friction surface and a round rotor profile. Verify the detailed fitment, axle/side, rotor size, and OEM reference before ordering, especially on vehicles offered with multiple brake or wheel packages.
Key Features & Specs:
Fitment:
Detailed Fitment Applications:
| Year | Make | Model | Submodel | Engine | Notes |
|---|---|---|---|---|---|
| 2017-2018 | Porsche | 718 Boxster | Base | 2.0L H4 | w/o I450 ceramic brake option |
| 2018 | Porsche | 718 Boxster | GTS | 2.5L H4 | w/o I450 ceramic brake option |
| 2017-2018 | Porsche | 718 Boxster | S | 2.5L H4 | w/o I450 ceramic brake option |
| 2017-2018 | Porsche | 718 Cayman | Base | 2.0L H4 | w/o I450 ceramic brake option |
| 2018 | Porsche | 718 Cayman | GTS | 2.5L H4 | w/o I450 ceramic brake option |
| 2017-2018 | Porsche | 718 Cayman | S | 2.5L H4 | w/o I450 ceramic brake option |
| 2005-2008 | Porsche | Boxster | 2.7L H6 | w/o I450 ceramic brake option | |
| 2009-2012 | Porsche | Boxster | 2.9L H6 | w/o I450 ceramic brake option | |
| 2013-2016 | Porsche | Boxster | Base | 2.9L H6 | w/o I450 ceramic brake option |
| 2016 | Porsche | Boxster | Black Edition | 2.9L H6 | w/o I450 ceramic brake option |
| 2015-2016 | Porsche | Boxster | GTS | 3.4L H6 | w/o I450 ceramic brake option |
| 2008 | Porsche | Boxster | Limited Edition | 2.7L H6 | w/o I450 ceramic brake option |
| 2013-2016 | Porsche | Boxster | S | 3.4L H6 | w/o I450 ceramic brake option |
| 2007-2008 | Porsche | Cayman | 2.7L H6 | w/o I450 ceramic brake option | |
| 2009-2012 | Porsche | Cayman | 2.9L H6 | w/o I450 ceramic brake option | |
| 2014-2016 | Porsche | Cayman | Base | 2.7L H6 | w/o I450 ceramic brake option |
| 2016 | Porsche | Cayman | Black Edition | 2.7L H6 | w/o I450 ceramic brake option |
| 2015-2016 | Porsche | Cayman | GTS | 3.4L H6 | w/o I450 ceramic brake option |
| 2014-2016 | Porsche | Cayman | S | 3.4L H6 | w/o I450 ceramic brake option |