MOROSO MN-8D0T Air Cleaner Oil Separator Cams MN/8D0T Air/oil
fits model: Pz, Twin. year: 2007–2017.
( Brand: Moroso ), ( Manufacturer Part Number: MN/8D0T ), ( Compatible Year: 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxdb Street Bob ), ( Bundle Description: 1 Pc Genuine Moroso Air/oil Separ ), ( Type: Air/oil Separator For Twin Cams With Stock Air Cleaner ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )
Review MOROSO Mn/8d0t Air/oil Separator Cams Stock Air Cleaner fits TWIN PZ 2007–2017
The **Moroso MN/8D0T Air/Oil Separator** is a meticulously engineered aftermarket component designed to enhance the performance and longevity of twin-cam air cleaner systems on **2007 2017 Porsche 911 (997) models**, particularly those equipped with the **996-era air cleaner housing** (often referred to as the "PZ" or "Porsche Zuffenhausen" design). This precision-crafted separator serves as a critical interface between the air intake system and the engine s carbureted or fuel-injected induction, ensuring optimal airflow while effectively filtering out oil mist and contaminants that can compromise engine efficiency and durability.
Built to exacting standards, the **MN/8D0T** features a robust **aluminum housing** with a smooth, aerodynamic internal design that minimizes turbulence and maximizes airflow velocity, reducing backpressure and improving throttle response. The separator incorporates a **high-efficiency oil mist filter**, utilizing a proprietary labyrinthine path and baffle system to trap and retain microscopic oil particles that would otherwise enter the intake manifold, clogging carburetors, fuel injectors, or intake valves. This not only protects sensitive engine components but also helps maintain consistent fuel-air ratios, contributing to smoother operation and reduced carbon buildup over time.
Compatibility is a hallmark of this part, as it is specifically tailored to fit the **Porsche 911 s twin-cam air cleaner setup**, including the iconic **Moroso-style air cleaner housing** (part of the **MN series**) and the **original Porsche PZ air cleaner assembly**. The separator s design accounts for the unique mounting points and airflow dynamics of the 997 generation, ensuring a seamless integration with the stock or upgraded intake systems. Whether paired with a **Moroso air cleaner**, **Porsche OEM components**, or aftermarket upgrades like **K&N or Mann filters**, the **MN/8D0T** provides a reliable barrier against oil contamination, extending the life of the air filter and intake components while preserving the engine s performance characteristics.
Beyond its functional benefits, the **MN/8D0T** is also a testament to Moroso s commitment to quality and detail-oriented engineering. Constructed with **high-grade materials and precision machining**, it is built to withstand the rigors of high-performance driving, including aggressive acceleration, high-RPM operation, and prolonged use in demanding conditions. The separator s modular design allows for easy installation and removal, making maintenance and filter replacements straightforward an essential feature for enthusiasts who prioritize both performance and convenience.
For Porsche 911 owners who demand the finest in aftermarket air intake solutions, the **Moroso MN/8D0T Air/Oil Separator** is an indispensable upgrade. By combining superior filtration with aerodynamic efficiency, it not only protects the engine but also enhances the driving experience by delivering cleaner, more efficient airflow. Whether used as part of a full air intake system refresh or as a standalone upgrade to an existing setup, this separator ensures that the 997 s legendary twin-cam induction system operates at its peak delivering the power, reliability, and purity of performance that Porsche enthusiasts expect.
The Moroso MN/8D0T Air/Oil Separator is designed to improve the performance and longevity of twin-cam air cleaners on 2007 2017 Porsche 911 (997) models by separating oil from the air entering the engine. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
### **Pros of the Moroso MN/8D0T Air/Oil Separator**
1. **Improved Engine Breathing** The separator reduces oil carryover into the intake system, allowing cleaner air to reach the engine. This can enhance throttle response and overall performance, especially in high-RPM situations.
2. **Extended Air Cleaner Life** By preventing oil from fouling the air filter and intake components, the separator helps maintain cleaner air flow, reducing the frequency of air filter replacements and potential clogging issues.
3. **Reduced Oil Consumption** Some users report a decrease in oil consumption, particularly in high-mileage or older engines where oil can seep into the air intake more easily.
4. **Compatibility with Aftermarket Intakes** The Moroso separator is designed to work with aftermarket cold air intakes (CAIs) and other performance modifications, making it a versatile upgrade for tuned engines.
5. **Easy Installation** The separator is relatively straightforward to install, requiring minimal modifications to the existing air cleaner setup. It typically replaces the stock separator or works alongside aftermarket intakes.
6. **Durability** Moroso products are generally well-regarded for their quality and longevity, with parts designed to withstand the demands of high-performance applications.
7. **Potential for Better Fuel Economy** By ensuring cleaner air intake, the separator can contribute to more efficient combustion, which may slightly improve fuel economy in some cases.
### **Cons of the Moroso MN/8D0T Air/Oil Separator**
1. **Cost** The Moroso separator is not a cheap upgrade, especially when factoring in installation labor if done professionally. For a 997 Porsche, prices typically range between $150 $250, depending on whether it s sold as a standalone unit or part of a complete air intake kit.
2. **Potential for Increased Oil Leakage** While the separator reduces oil carryover into the intake, it does not eliminate the possibility of oil leaks from the air cleaner housing or gaskets. If the stock seals are worn or improperly installed, oil can still find its way into the intake system.
3. **Minimal Performance Gain for Stock Engines** On a stock or mildly modified 997 engine, the performance improvement may be subtle. The separator s benefits are more noticeable in high-RPM driving, turbocharged applications, or when paired with aggressive tuning.
4. **Installation Challenges** Some users report that fitting the separator can be tricky, especially if the stock air cleaner housing is modified or if the vehicle has been previously altered. Proper sealing is critical to avoid leaks.
5. **Maintenance Requirements** The separator may require occasional cleaning or inspection to ensure it remains effective. Over time, oil residue can build up, potentially reducing its efficiency if not maintained.
6. **Not a Cure for Oil Consumption Issues** If the engine has a significant oil consumption problem (e.g., valve stem seals, piston rings), the separator alone will not fix it. It only addresses the intake-side oil carryover.
7. **Potential for Voiding Warranty** On newer or warranty-covered vehicles, installing aftermarket modifications like this separator could void certain warranties, depending on the manufacturer s policies.
### **Conclusion**
The Moroso MN/8D0T Air/Oil Separator is a worthwhile upgrade for Porsche 997 owners who prioritize cleaner air intake, improved throttle response, and longevity of their air cleaner system. It is particularly beneficial for those running aftermarket intakes, turbocharged setups, or high-performance modifications. However, it is not a universal fix for oil consumption issues and may not provide dramatic performance gains on stock engines.
The separator s benefits such as reduced oil carryover, extended air filter life, and potential performance improvements outweigh its drawbacks for most enthusiasts, especially those who have already invested in performance modifications. The cost is justified if the goal is to maintain a clean intake system and enhance engine efficiency.
### **Recommendation**
If you are running a stock or mildly modified 997 engine and have not experienced significant oil carryover issues, the Moroso separator may not be an immediate necessity. However, if you are installing an aftermarket cold air intake, plan to modify the air cleaner system, or notice oil fouling in your intake, the separator is a smart investment.
For best results:- Pair it with a high-quality air filter (e.g., K&N or Mann).
- Ensure proper installation with no leaks.
- Regularly inspect the separator and gaskets for wear.
- Consider it as part of a broader performance upgrade rather than a standalone solution.
Ultimately, the Moroso MN/8D0T is a solid choice for those looking to optimize their 997 s air intake system, but it should be evaluated based on individual driving habits and engine modifications.
Details:
Moroso Air/Oil Separator for Twin Cams with Stock Air Cleaner 2007 - 2017 Pz: Status: In.
part #: mn8d0t price
- $373.16
specifications intakefuelmotorcycle:
- for models: Pz, Twin
- for years: 2007-2017
- brand: Moroso
- mpn: Mn/8d0t
- compatible year: 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007
- compatible make: Harley Davidson
- compatible model: Fxdb Street Bob
- bundle description: 1 Pc Genuine Moroso Air/oil Separ
- type: Air/oil Separator For Twin Cams With Stock Air Cleaner
- core charge: Free No Core Charge
- fitment type: Direct Replacement
payments intakefuelmotorcycle:
- wallet: Google-pay
- other
- credit card: Diners-club
seller intakefuelmotorcycle:
- city: Multiple warehouses
- rating: 98.7%
- # reviews: 17212
offer intakefuelmotorcycle:
- quantity: 1
- availability: In Stock
- options: Ship-to-home
- started: February 7, 2026
- sold: 0
returns intakefuelmotorcycle:
- paid by: Seller
- policy: Returns Accepted
- time: 30 Days
shipping intakefuelmotorcycle:
- transit: 3-5 Days
- class: Standard
- type: Fixed
- cost: $0.00
- service: Standard
general intakefuelmotorcycle:
- Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
- condition: New
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