2009-2016 Porsche 911/Boxster/Cayman Crankcase Breather Cover Left 9A110503800
Porsche Part #: 9A1-105-038-00 (9A110503800)
Actual photo
The exact part you’ll receive — not a stock photo.
$19.99
Side: Left
Used
Donor2010 Porsche BOXSTER · 2.9L · 43k miles
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Only 1 in stock — no guaranteed restock
Genuine OEM Used
SKU: 476275
Donor Vehicle: 2010 Porsche BOXSTER · 2.9L · 43k miles
2 photos
$19.99
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Used Porsche Crankcase Breather Cover (OEM 9A110503800, also replaces 9A110523800), left side placement. This used genuine OEM cover routes blow-by gases from the crankcase back into the intake, preventing pressure buildup and oil leaks. On Porsche 911, Boxster, and Cayman with various 2.7L–3.8L H6 engines, a failing breather cover can cause rough idle, oil seepage at the seal, or a check engine light from vacuum leaks. Proper crankcase pressure regulation is critical for these flat-six engines.
Specifications
| Fits Vehicle Model | 911, Boxster, Cayman |
| Fits Vehicle Make | Porsche |
| Porsche Part No | 9A1-105-038-00 (9A110503800) |
| Compatible OEM Part No | 9A1-105-238-00 |
| Side | Left |
| Category | Evap / EGR |
Compatible Vehicles
Fits 179 vehicle configurations across 1 make, 2009-2016.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 179 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2012 | Porsche | 911 | GT3 Coupe | 3.8L | |
| 2012 | Porsche | 911 | GT3 RS Coupe | 3.8L | |
| 2012 | Porsche | 911 | GT3 RS 4.0 Coupe | 4.0L | |
| 2016 | Porsche | 911 | R Coupe | 4.0L | |
| 2011 | Porsche | 911 | Turbo Coupe | 3.8L Turbo | |
| 2012 | Porsche | 911 | Carrera 4 GTS Convertible | 3.8L | |
| 2011 | Porsche | 911 | Targa 4S | 3.8L | |
| 2015 | Porsche | 911 | Targa 4 | 3.4L | |
| 2013 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2011 | Porsche | 911 | Speedster Convertible | 3.8L | |
| 2011 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2012 | Porsche | 911 | Carrera GTS Convertible | 3.8L | |
| 2009 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2011 | Porsche | 911 | Carrera GTS Convertible | 3.8L | |
| 2009 | Porsche | 911 | GT2 Coupe | 3.6L Turbo | |
| 2009 | Porsche | 911 | Targa 4S | 3.8L | |
| 2012 | Porsche | 911 | Carrera GTS Coupe | 3.8L | |
| 2016 | Porsche | 911 | Targa 4 GTS | 3.8L | |
| 2016 | Porsche | 911 | Targa 4S | 3.8L | |
| 2015 | Porsche | 911 | Targa 4S | 3.8L | |
| 2012 | Porsche | 911 | Targa 4 | 3.6L | |
| 2014 | Porsche | 911 | Targa 4S | 3.8L | |
| 2010 | Porsche | 911 | Targa 4S | 3.8L | |
| 2011 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2016 | Porsche | 911 | Targa 4 | 3.4L | |
| 2010 | Porsche | 911 | Targa 4 | 3.6L | |
| 2014 | Porsche | 911 | Targa 4 | 3.4L | |
| 2012 | Porsche | 911 | Targa 4S | 3.8L | |
| 2011 | Porsche | 911 | Targa 4 | 3.6L | |
| 2012 | Porsche | Boxster | Convertible | 2.9L | |
| 2012 | Porsche | Boxster | Spyder Convertible | 3.4L | |
| 2009 | Porsche | Boxster | S 2 Convertible | 3.4L | |
| 2012 | Porsche | Boxster | S Convertible | 3.4L | |
| 2011 | Porsche | Cayman | S Hatchback | 3.4L | |
| 2012 | Porsche | Cayman | R Hatchback | 3.4L | |
| 2012 | Porsche | Cayman | S Hatchback | 3.4L | |
| 2011 | Porsche | Cayman | Hatchback | 2.9L | |
| 2011 | Porsche | Boxster | Convertible | 2.9L | |
| 2011 | Porsche | Boxster | S Convertible | 3.4L | |
| 2011 | Porsche | Boxster | Spyder Convertible | 3.4L | |
| 2010 | Porsche | Cayman | S Hatchback | 3.4L | |
| 2010 | Porsche | Cayman | Hatchback | 2.9L | |
| 2010 | Porsche | Boxster | Convertible | 2.9L | |
| 2010 | Porsche | Boxster | S Convertible | 3.4L | |
| 2009 | Porsche | Cayman | Hatchback | 2.9L | |
| 2009 | Porsche | Boxster | Convertible | 2.9L | |
| 2009 | Porsche | Boxster | S Convertible | 3.4L | |
| 2009 | Porsche | Cayman | S Hatchback | 3.4L | |
| 2012 | Porsche | Cayman | Hatchback | 2.9L | |
| 2009 | Porsche | 911 | Targa 4 | 3.6L | |
| 2011 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2010 | Porsche | 911 | Turbo Coupe | 3.8L Turbo | |
| 2011 | Porsche | 911 | Carrera GTS Coupe | 3.8L | |
| 2011 | Porsche | 911 | GT3 RS 4.0 Coupe | 4.0L | |
| 2011 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 2011 | Porsche | 911 | GT3 Coupe | 3.8L | |
| 2012 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 2009 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 2011 | Porsche | 911 | Carrera 4 Coupe | 3.6L | |
| 2010 | Porsche | 911 | GT3 Coupe | 3.8L | |
| 2011 | Porsche | 911 | GT2 RS Coupe | 3.6L Turbo | |
| 2011 | Porsche | 911 | GT3 RS Coupe | 3.8L | |
| 2010 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2010 | Porsche | 911 | Carrera 4 Convertible | 3.6L | |
| 2012 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2012 | Porsche | 911 | Carrera 4 GTS Coupe | 3.8L | |
| 2010 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2010 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2013 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2010 | Porsche | 911 | Turbo Convertible | 3.8L Turbo | |
| 2011 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2010 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2011 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2010 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2009 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2009 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2012 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2009 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2011 | Porsche | 911 | Turbo S Coupe | 3.8L Turbo | |
| 2011 | Porsche | 911 | Turbo Convertible | 3.8L Turbo | |
| 2012 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2011 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2011 | Porsche | 911 | Turbo S Convertible | 3.8L Turbo | |
| 2012 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2009 | Porsche | 911 | Carrera 4 Coupe | 3.6L | |
| 2009 | Porsche | 911 | Carrera Coupe | 3.6L | |
| 2015 | Porsche | 911 | GT3 Coupe | 3.8L | |
| 2015 | Porsche | Boxster | S Convertible | 3.4L | |
| 2015 | Porsche | Cayman | S Hatchback | 3.4L | |
| 2015 | Porsche | Boxster | Convertible | 2.7L | |
| 2015 | Porsche | Boxster | GTS Convertible | 3.4L | |
| 2015 | Porsche | Cayman | GTS Hatchback | 3.4L | |
| 2015 | Porsche | Cayman | Hatchback | 2.7L | |
| 2015 | Porsche | 911 | Carrera Convertible | 3.4L | |
| 2013 | Porsche | 911 | Carrera Convertible | 3.4L | |
| 2015 | Porsche | 911 | Turbo Convertible | 3.8L Turbo | |
| 2015 | Porsche | 911 | Turbo Coupe | 3.8L Turbo | |
| 2014 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2014 | Porsche | 911 | Carrera 4 Convertible | 3.4L | |
| 2014 | Porsche | 911 | Carrera Convertible | 3.4L | |
| 2015 | Porsche | 911 | Carrera GTS Coupe | 3.8L | |
| 2014 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2013 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2015 | Porsche | 911 | Carrera 4 Coupe | 3.4L | |
| 2014 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2012 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2013 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2014 | Porsche | 911 | Coupe | 3.8L | |
| 2012 | Porsche | 911 | Carrera Convertible | 3.4L | |
| 2012 | Porsche | 911 | Turbo S Convertible | 3.8L Turbo | |
| 2012 | Porsche | 911 | Turbo Coupe | 3.8L Turbo | |
| 2012 | Porsche | 911 | Turbo S Coupe | 3.8L Turbo | |
| 2012 | Porsche | 911 | Turbo Convertible | 3.8L Turbo | |
| 2013 | Porsche | Boxster | Convertible | 2.7L | |
| 2013 | Porsche | Boxster | S Convertible | 3.4L | |
| 2013 | Porsche | 911 | Turbo S Coupe | 3.8L Turbo | |
| 2013 | Porsche | 911 | Turbo Convertible | 3.8L Turbo | |
| 2013 | Porsche | 911 | Turbo S Convertible | 3.8L Turbo | |
| 2013 | Porsche | 911 | Turbo Coupe | 3.8L Turbo | |
| 2014 | Porsche | Cayman | S Hatchback | 3.4L | |
| 2014 | Porsche | Cayman | Hatchback | 2.7L | |
| 2014 | Porsche | Boxster | S Convertible | 3.4L | |
| 2014 | Porsche | 911 | Turbo Coupe | 3.8L Turbo | |
| 2014 | Porsche | 911 | Turbo S Coupe | 3.8L Turbo | |
| 2014 | Porsche | 911 | Turbo Convertible | 3.8L Turbo | |
| 2014 | Porsche | 911 | Turbo S Convertible | 3.8L Turbo | |
| 2014 | Porsche | Boxster | Convertible | 2.7L | |
| 2014 | Porsche | 911 | GT3 Coupe | 3.8L | |
| 2015 | Porsche | 911 | Carrera 4 GTS Convertible | 3.8L | |
| 2010 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2015 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2012 | Porsche | 911 | Carrera Coupe | 3.4L | |
| 2016 | Porsche | 911 | Carrera 4 Convertible | 3.4L | |
| 2016 | Porsche | 911 | Carrera GTS Coupe | 3.8L | |
| 2016 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2016 | Porsche | Boxster | S Convertible | 3.4L | |
| 2016 | Porsche | Boxster | Convertible | 2.7L | |
| 2016 | Porsche | Boxster | GTS Convertible | 3.4L | |
| 2016 | Porsche | Boxster | Spyder Convertible | 3.8L | |
| 2016 | Porsche | Cayman | Hatchback | 2.7L | |
| 2016 | Porsche | Cayman | GTS Hatchback | 3.4L | |
| 2016 | Porsche | Cayman | S Hatchback | 3.4L | |
| 2016 | Porsche | 911 | Carrera 4 GTS Coupe | 3.8L | |
| 2016 | Porsche | Cayman | GT4 Hatchback | 3.8L | |
| 2016 | Porsche | 911 | GT3 RS Coupe | 4.0L | |
| 2016 | Porsche | 911 | Carrera 4 Coupe | 3.4L | |
| 2016 | Porsche | 911 | Carrera Convertible | 3.4L | |
| 2009 | Porsche | 911 | Carrera Convertible | 3.6L | |
| 2012 | Porsche | 911 | Carrera 4 Coupe | 3.6L | |
| 2010 | Porsche | 911 | Carrera 4 Coupe | 3.6L | |
| 2009 | Porsche | 911 | Turbo Coupe | 3.6L Turbo | |
| 2009 | Porsche | 911 | Turbo Convertible | 3.6L Turbo | |
| 2016 | Porsche | 911 | Carrera Coupe | 3.4L | |
| 2016 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2016 | Porsche | 911 | Turbo Convertible | 3.8L Turbo | |
| 2016 | Porsche | 911 | Turbo S Convertible | 3.8L Turbo | |
| 2014 | Porsche | 911 | Carrera 4 Coupe | 3.4L | |
| 2015 | Porsche | 911 | Carrera 4 GTS Coupe | 3.8L | |
| 2014 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2015 | Porsche | 911 | Carrera 4S Convertible | 3.8L | |
| 2013 | Porsche | 911 | Carrera 4 Convertible | 3.4L | |
| 2015 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2013 | Porsche | 911 | Carrera Coupe | 3.4L | |
| 2015 | Porsche | 911 | Carrera GTS Convertible | 3.8L | |
| 2015 | Porsche | 911 | Carrera 4S Coupe | 3.8L | |
| 2015 | Porsche | 911 | Carrera Coupe | 3.4L | |
| 2014 | Porsche | 911 | Carrera Coupe | 3.4L | |
| 2013 | Porsche | 911 | Carrera 4 Coupe | 3.4L | |
| 2012 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2015 | Porsche | 911 | Turbo S Coupe | 3.8L Turbo | |
| 2015 | Porsche | 911 | Carrera 4 Convertible | 3.4L | |
| 2016 | Porsche | 911 | Turbo Coupe | 3.8L Turbo | |
| 2016 | Porsche | 911 | Carrera S Coupe | 3.8L | |
| 2016 | Porsche | 911 | Turbo S Coupe | 3.8L Turbo | |
| 2016 | Porsche | 911 | Carrera S Convertible | 3.8L | |
| 2016 | Porsche | 911 | GT3 Coupe | 3.8L | |
| 2016 | Porsche | 911 | Carrera 4 GTS Convertible | 3.8L | |
| 2016 | Porsche | 911 | Carrera GTS Convertible | 3.8L | |
| 2015 | Porsche | 911 | Turbo S Convertible | 3.8L Turbo |