Description
OEM Engine Crankcase Breather Hose (Cyl 4-6) – For Porsche Vehicles
Manufacturer Part Number: 4008291
Description
The OEM Engine Crankcase Breather Hose (Cyl 4-6) is an essential component of your vehicle’s Positive Crankcase Ventilation (PCV) system. This premium-grade hose is engineered to OEM standards, ensuring optimal performance and reliability.
Its primary function is to allow pressure to escape from the crankcase in a controlled manner, effectively venting the positive pressure caused by engine blow-by�gas that leaks past the pistons during combustion. By routing this blow-by gas back into the intake air stream, it significantly reduces the emission of unburned hydrocarbons into the atmosphere.
Damaged crankcase breather hoses are a common source of engine vacuum leaks, often leading to check engine lights and performance issues in modern vehicles. Therefore, timely replacement with an OEM part is crucial for maintaining the efficiency and performance of your Porsche.
Cross Reference Numbers
- Porsche: 997 107 146 03
- 99710714603
Vehicle Compatibility
This part fits some of the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility.
- Porsche 911 Carrera 4S, 3.8H6, 2005-2008
- Porsche 911 Carrera S, 3.8H6, 2005-2008
- Porsche 911 Targa 4S, 3.8H6, 2005-2008
Why Shop at our website?
Since 2000, our website has been a trusted destination for European car owners looking for reliable parts at great prices. Here’s why customers choose us:
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does this part do?
The Engine Crankcase Breather Hose plays a critical role in the PCV system by allowing crankcase pressure to escape, thus preventing vacuum leaks and maintaining optimal engine performance.
What vehicles is this part compatible with?
This part is compatible with various Porsche models, including the 911 Carrera 4S, Carrera S, and Targa 4S, from 2005 to 2008. Please use the vehicle selector tool to confirm fitment for your specific model.
What are common signs this part may need replacement?
Common signs of a failing crankcase breather hose include engine vacuum leaks, check engine lights, poor engine performance, and increased emissions. If you experience any of these symptoms, consider inspecting and replacing the breather hose.
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Specification
-
- eEuroparts SKU : 1556430
- Weight : 2.14 lbs
- Dimensions (L x W x H) : 3 x 10.5 x 17 in
- Manufacturer Part # : 4008291
- Brand : OEM
- Manufacturer : OEM
- MPN : 4008291
- Part Type : Engine Oil Separator Hose
- OE Part Numbers : 997 107 146 03, 99710714603
- Fitment
- Fitment Type : Vehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2005 | Porsche | 911 | Carrera S (3.8 H6 GAS) | |
| 2006 | Porsche | 911 | Carrera 4S (3.8 H6 GAS) | |
| 2006 | Porsche | 911 | Carrera S (3.8 H6 GAS) | |
| 2007 | Porsche | 911 | Carrera 4S (3.8 H6 GAS) | |
| 2007 | Porsche | 911 | Carrera S (3.8 H6 GAS) | |
| 2007 | Porsche | 911 | Targa 4S (3.8 H6 GAS) | |
| 2008 | Porsche | 911 | Carrera 4S (3.8 H6 GAS) | |
| 2008 | Porsche | 911 | Carrera S (3.8 H6 GAS) | |
| 2008 | Porsche | 911 | Targa 4S (3.8 H6 GAS) |
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