Description
xShop Now Genuine Porsche Vent Line Online – Part 94810524504
The Genuine Porsche Vent Line 94810524504 is an original factory breather hose designed to connect the crankcase to the oil separator in specific Porsche engines. This component plays a vital role in the Porsche crankcase ventilation system by safely routing blow-by gases away from the engine and maintaining balanced internal pressure.
Engine ventilation is critical in high-performance vehicles like the Porsche Cayenne 9PA1 (957) equipped with the 4.8L engine. A damaged or brittle Porsche crankcase vent line can lead to vacuum leaks, rough idling, oil seepage, or warning lights. Replacing worn breather hoses with a genuine OEM Porsche breather hose ensures proper airflow, stable engine performance, and reduced risk of secondary issues.
This vent line is manufactured to meet exact factory specifications by Porsche. Its molded design and material composition are engineered to withstand heat cycles, oil vapor exposure, and pressure changes that occur during everyday driving. Because it is produced according to original standards, installation is straightforward with no modification required.
During routine maintenance or oil separator replacement, technicians often inspect the Porsche oil separator hose and related ventilation pipes. Replacing the vent line at the same time helps avoid repeat labor and ensures the entire PCV system functions correctly. Choosing genuine Porsche components supports long-term durability and preserves the vehicle’s original engineering balance.
At Europeanautospares, we supply high-quality genuine Porsche engine ventilation parts for customers in the UAE and worldwide. Whether you are based locally or ordering online from another country, you can purchase this part easily and have it delivered directly to your location.
Specifications
- Brand: Porsche
- Part Number: 94810524504
- Product Type: Crankcase Vent Line / Breather Hose
- Material: OEM heat-resistant molded composite
- Condition: New
- Fitment Type: Direct replacement
- Application: Crankcase to oil separator connection
- Manufacturing Standard: Porsche factory specification
Why Choose European Auto Spares
Factory-Approved Porsche Quality
At Europeanautospares, we provide genuine OEM Porsche parts manufactured according to original factory standards to ensure correct fit and performance.
Accurate Match for Application
The Porsche 94810524504 vent line is designed specifically for the Cayenne 4.8L engine layout, ensuring precise routing and secure connection between the crankcase and oil separator.
Suitable for Regular and Hot Climate Conditions
The material used in this Porsche Cayenne PCV pipe is engineered to tolerate repeated heat exposure and oil vapors, making it suitable for UAE driving conditions and other regions with high temperatures.
Compatibility Checks Available
Our team can assist with VIN verification to confirm that this OEM Porsche breather hose matches your vehicle specifications.
Worldwide Fulfilment
Although we are based in the UAE, you can order this product online from anywhere in the world. Europeanautospares arranges secure international shipping so customers globally can access genuine Porsche spare parts easily.
Need Help Finding the Right Porsche Part?
We are based in Dubai and serve customers worldwide. Connect with our auto specialists for expert support with part verification, compatibility, pricing, and warranty details. Our team can source the correct Porsche spare parts and deliver them directly to your doorstep, locally or anywhere across the globe.
Maintain Reliable Engine Ventilation Performance
The Genuine Porsche Vent Line 94810524504 may appear to be a small component, but it plays a major role in maintaining proper crankcase pressure and oil vapor management. A functioning Porsche crankcase vent line helps prevent leaks, protects seals, and supports smooth engine operation.
Over time, plastic ventilation hoses can become brittle due to heat and oil exposure. Replacing them with an OEM Porsche oil separator hose maintains consistent airflow and protects nearby engine components from unnecessary strain. Using genuine parts helps preserve the vehicle’s original performance standards and reduces the likelihood of recurring ventilation issues.
Sourcing your Porsche spare parts from Europeanautospares ensures quality assurance, correct specification, and dependable service support.
Fitment Details
xPorsche 4.8L V8 Right-Hand Valve Cover PCV Line Fitment
Emission Control & Engine Mechanical Matrix — M48 Series Direct-Injection V8 Crankcase Ventilation Insets
| Model / Generation | Application Details (Engine Base & Emissions — Right-Hand Valve Cover PCV Lines) | Year Range |
|---|---|---|
| Porsche Cayenne S (958.1) | 4.8L Naturally Aspirated DFI V8 (400HP — M48.02) Right Valve Cover Lines — Primary Vacuum Vent Hose | 2011–2014 |
| Porsche Cayenne GTS (958.1) | 4.8L Naturally Aspirated DFI V8 (420HP — M48.02) High-Output Breather Pipes — Calibrated Flow Balancing Track | 2013–2014 |
| Porsche Cayenne Turbo (958.1) | 4.8L Twin-Turbocharged DFI V8 (500HP — M48.52) Induction Junction Elements — Forced Induction Check-Valve Line | 2011–2014 |
| Porsche Cayenne Turbo S (958.1) | Flagship 4.8L Twin-Turbo DFI V8 (550HP / 570HP) High-Pressure PCV Links — Reinforced High-Boost Dual-Check Tube | 2013–2014 |
| Porsche Panamera S (970.1) | 4.8L Naturally Aspirated DFI V8 (400HP — M48.20) Rear-Drive Crankcase Lines — Low-Profile Sedan Valley Conduit | 2010–2013 |
| Porsche Panamera 4S (970.1) | 4.8L Naturally Aspirated DFI V8 (400HP — M48.20) All-Wheel Drive Flow Insets — Low-Profile Sedan Valley Conduit | 2010–2013 |
| Porsche Panamera GTS (970.1) | 4.8L Naturally Aspirated Performance-Tuned V8 (430HP) Air/Oil Vent Lines — High-Velocity Acoustic Tuning Core | 2012–2013 |
| Porsche Panamera Turbo (970.1) | 4.8L Twin-Turbocharged DFI V8 (500HP — M48.70) Forced Induction Runs — Shielded Multi-Branch Vacuum Line | 2010–2013 |
| Porsche Panamera Turbo S (970.1) | Upgraded 4.8L Twin-Turbo DFI V8 (550HP) Primary Oil Separator Links — High-Load Multi-Branch Vacuum Line | 2012–2013 |
Weissach Powertrain Workshop & Hydraulic Crankcase Extraction Notice
This professional-grade right-hand (RHS) cylinder head valve cover positive crankcase ventilation (PCV) line, multi-branch oil separator return track, and quick-connect polymer plumbing set is configured strictly for the structural 4.8-liter Direct Fuel Injection (DFI) V8 engine families (M48.02 / .52 / .20 / .70 layout) powering the 958.1 Cayenne and 970.1 Panamera series. Tracking along the top of Bank 1 (Cylinders 1–4) and routing to the primary fine-oil separator module at the rear cowl partition, this component evacuates harmful blow-by gases and balances air pressures beneath the valve cover caps during intense valvetrain operation.
Critical Packaging & Forced Induction Variant Warnings: Technicians must maintain strict awareness of the severe structural and functional design differences separating naturally aspirated (S / GTS) configurations from the twin-turbocharged (Turbo / Turbo S) lines. Naturally aspirated variants utilize straightforward single-direction vacuum draw routes that pull crankcase gases straight toward the intake manifold plenum. However, twin-turbo forced induction layouts introduce complex pressure shifts. When the engine builds positive boost (exceeding 1.0 to 1.6 bar), the manifold layout shifts from vacuum to high pressure, which would instantly back-feed down a standard PCV line.
Consequently, the Turbo and Turbo S variants deploy specialized lines equipped with highly sensitive, integrated internal check valves. These valves snap shut automatically under boost, redirecting crankcase blow-by streams directly toward the pre-turbo inlet ducts instead. Never attempt to cross-install a naturally aspirated V8 PCV line into a Turbo or Turbo S engine bay. Non-compliant alternative lines lack these check valves entirely. Under boost, raw intake pressure will shoot straight into the right valve cover, instantly flipping the internal separator diaphragms, prompting massive oil pooling inside the intake pipes, and causing catastrophic engine pressure loads that will blow the valve cover perimeter gaskets or push the rear main oil seals straight off their seats.
Additionally, maintain clean catalog separation between Cayenne and Panamera applications. Because the Panamera sedan features an extremely low bonnet profile compared to the high-clearance Cayenne SUV, its intake manifolds, cosmetic trim lines, and PCV hose routing angles are contoured significantly flatter to clear the upper cowl boundaries.
Service & Dismantling Best Practices: Due to severe, long-term heat soak deep inside the rear engine bay partitions, these pre-formed composite polyamide lines become exceptionally brittle over time and miles. When separating these lines during an ignition coil service, high-pressure fuel line replacement, or vacuum pump overhaul, technicians must never apply twisting side leverage with bare screwdrivers or coarse metallic pliers. Press the ribbed circumference of the quick-release plastic rings evenly parallel to slide the connector smoothly off the right valve cover adapter pipe or separator bungs.
Thoroughly clear away all accumulated engine oil varnish, calcified crust, and gritty sand deposits from the mating ports before installing new lines. Lightly glaze the fresh internal Viton/FKM sealing rings with a touch of clean synthetic oil to allow the connectors to seat home with a distinct mechanical "click". Execute an engine bay smoke test down the engine oil neck post-assembly to confirm 100% airtight sealing boundaries across the emission loop, completely preventing lean fuel-trim faults (P0171/P0174 codes) inside the central engine management computer (DME).
Heat-Stabilized Polyamide (PA12) Extrusion
The primary PCV tube assemblies are extruded from premium, multi-layer heat-stabilized polyamide (PA12) polymers. This technical selection blocks moisture and raw hydrocarbon vapors while resisting structural weakening, wall degradation, and cracking when continuously exposed to hot engine oil acids and under-bonnet working temperatures up to +140°C.
Viton Internal Sealing & Check-Valve Integrity
The termination endpoints feature over-molded quick-connect housings loaded with dual-lip high-fluorine Viton (FKM) seals. On turbo applications, the line embeds featherweight, fuel-resistant internal fluorosilicone check-valve discs that maintain zero back-leakage under heavy boost conditions, ensuring stable crankcase pressures across all engine load stages.
FAQs
xFrequently Asked Questions
It connects the crankcase to the oil separator, allowing proper ventilation and pressure control within the engine.
Yes, it is a genuine OEM component manufactured to Porsche factory standards.
It is commonly used in the Porsche Cayenne 9PA1 (957) 4.8L models from 2007 to 2010.
A cracked or leaking vent line may cause rough idle, vacuum leaks, oil seepage, or a check engine warning.
Yes. Even though we are based in the UAE, you can purchase this product online from anywhere in the world, and we provide international shipping.
You can share your vehicle VIN with our team for verification to ensure the part matches your specific Porsche model.
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xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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