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Genuine 99610717550 Engine Crankcase Breather Hose
| Brand | Genuine 99610717550 |
|---|---|
| Fits | Porsche · 34 vehicles |
OE direct replacement. Engine crankcase breather hose for crankcase ventilation service.
Genuine replacement part for restoring proper crankcase ventilation.
Engine Crankcase Breather Hose for Porsche
This Genuine engine crankcase breather hose, part number 99610717550, routes crankcase vapors from the separator back to the engine. It is a direct-fit emission control component for Porsche applications that require a return hose from the separator to the engine.
Key Features
- Genuine OE replacement crankcase breather hose
- Part number 99610717550 for accurate ordering and service matching
- Emission control component for the crankcase ventilation system
- Return hose design from separator to engine
- Built for Porsche Cayman, 911, and Boxster applications
Fitment
- Fits 2006-2009 Porsche Cayman, N/A, Return Hose; Seperator to Engine
- Fits 2002-2008 Porsche 911, N/A, Return Hose; Seperator to Engine
- Fits 2007-2008 Porsche 911, N/A, Naturally Aspirated; Return Hose; Seperator to Engine
- Fits 2004-2005 Porsche 911, N/A, Naturally Aspirated; Return Hose; Seperator to Engine
- Fits 2005-2008 Porsche Boxster, N/A, Return Hose; Seperator to Engine
Detailed Description
The 99610717550 crankcase breather hose is part of the emission control and crankcase ventilation system, where it carries vapors from the separator back into the engine. On Porsche Cayman, Porsche 911, and Porsche Boxster models, this hose supports proper routing within the breather system and helps maintain the original hose path specified for the application. If you are replacing a cracked, hardened, or leaking breather hose, this Genuine part provides the correct fitment reference for the listed vehicles.
Common Issues This Part Can Address
- Oil vapor leaks at the crankcase ventilation hose
- Cracked or brittle hose material from age and heat exposure
- Improper vapor routing between the separator and engine
- Vacuum-related drivability concerns tied to breather hose failure
- Visible deterioration in the Porsche crankcase ventilation system
Installation Notes and Tips
Verify the hose routing against the existing setup before installation, especially on Porsche 911 naturally aspirated applications and other listed models. Inspect the separator, adjoining connectors, and nearby ventilation lines for wear or contamination before installing the new hose. Confirm the part number 99610717550 matches the vehicle’s engine and emission control configuration.
Quality Assurance
Genuine OE replacement part for the specified Porsche fitments, including Cayman, 911, and Boxster applications.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Porsche | Cayman | — | 3.4L | H6 | N/A | Return Hose; Seperator to Engine |
| 2009 | Porsche | Cayman | — | 2.9L | H6 | N/A | Return Hose; Seperator to Engine |
| 2008 | Porsche | 911 | — | — | — | N/A | Return Hose; Seperator to Engine |
| 2008 | Porsche | 911 | — | 3.6L | H6 | N/A | Return Hose; Seperator to Engine |
| 2008 | Porsche | 911 | — | 3.8L | H6 | N/A | Return Hose; Seperator to Engine |
| 2008 | Porsche | 911 | Targa 4 | 3.6L | H6 | N/A | Naturally Aspirated; Return Hose; Seperator to Engine |
| 2008 | Porsche | 911 | Carrera | 3.6L | H6 | N/A | Naturally Aspirated; Return Hose; Seperator to Engine |
| 2008 | Porsche | 911 | Carrera 4 | 3.6L | H6 | N/A | Naturally Aspirated; Return Hose; Seperator to Engine |
| 2008 | Porsche | Boxster | — | — | — | N/A | Return Hose; Seperator to Engine |
| 2008 | Porsche | Cayman | — | 3.4L | H6 | N/A | Return Hose; Seperator to Engine |
| 2008 | Porsche | Cayman | — | 2.7L | H6 | N/A | Return Hose; Seperator to Engine |
| 2007 | Porsche | 911 | — | — | — | N/A | Return Hose; Seperator to Engine |
| 2007 | Porsche | 911 | — | 3.6L | H6 | N/A | Return Hose; Seperator to Engine |
| 2007 | Porsche | 911 | — | 3.8L | H6 | N/A | Return Hose; Seperator to Engine |
| 2007 | Porsche | 911 | Targa 4 | 3.6L | H6 | N/A | Naturally Aspirated; Return Hose; Seperator to Engine |
| 2007 | Porsche | 911 | Carrera | 3.6L | H6 | N/A | Naturally Aspirated; Return Hose; Seperator to Engine |
| 2007 | Porsche | 911 | Carrera 4 | 3.6L | H6 | N/A | Naturally Aspirated; Return Hose; Seperator to Engine |
| 2007 | Porsche | Boxster | — | — | — | N/A | Return Hose; Seperator to Engine |
| 2007 | Porsche | Cayman | — | 3.4L | H6 | N/A | Return Hose; Seperator to Engine |
| 2007 | Porsche | Cayman | — | 2.7L | H6 | N/A | Return Hose; Seperator to Engine |
| 2006 | Porsche | 911 | — | — | — | N/A | Return Hose; Seperator to Engine |
| 2006 | Porsche | 911 | — | 3.8L | H6 | N/A | Return Hose; Seperator to Engine |
| 2006 | Porsche | 911 | — | 3.6L | H6 | N/A | Return Hose; Seperator to Engine |
| 2006 | Porsche | Boxster | — | — | — | N/A | Return Hose; Seperator to Engine |
| 2006 | Porsche | Cayman | — | — | — | N/A | Return Hose; Seperator to Engine |
| 2005 | Porsche | 911 | — | — | — | N/A | Return Hose; Seperator to Engine |
| 2005 | Porsche | 911 | — | 3.6L | H6 | N/A | Return Hose; Seperator to Engine |
| 2005 | Porsche | 911 | — | 3.6L | H6 | N/A | Naturally Aspirated; Return Hose; Seperator to Engine |
| 2005 | Porsche | Boxster | — | — | — | N/A | Return Hose; Seperator to Engine |
| 2004 | Porsche | 911 | — | 3.6L | H6 | N/A | Naturally Aspirated; Return Hose; Seperator to Engine |
| 2004 | Porsche | 911 | Carrera | 3.6L | H6 | N/A | Return Hose; Seperator to Engine |
| 2004 | Porsche | 911 | Carrera 4S | 3.6L | H6 | N/A | Return Hose; Seperator to Engine |
| 2003 | Porsche | 911 | — | 3.6L | H6 | N/A | Return Hose; Seperator to Engine |
| 2002 | Porsche | 911 | — | 3.6L | H6 | N/A | Return Hose; Seperator to Engine |
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