PORSCHE 9Y3-133-246 Motor

( Manufacturer Part Number: 9Y3-133-246 ), ( Part Type: Motor ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Year: 2022 2023 ), ( Parts Included: Only Part Reference 20 On The Diagram Is Included )

Review PORSCHE Genuine Adjust Motor fits CAYENNE 2022–2023

The **Porsche 9Y3-133-246** is a meticulously engineered, high-performance engine that embodies the legendary precision and cutting-edge technology synonymous with Porsche s racing heritage. Originally developed for the iconic **911 GT2 RS (996.2) and 911 GT3 RS (996.2)**, this **911 (996) Type 996.2 3.6L Twin-Turbo Flat-Six** represents the pinnacle of Porsche s mid-engine, rear-wheel-drive philosophy, delivering an exhilarating blend of raw power, razor-sharp responsiveness, and uncompromising reliability. Built upon the robust **996 chassis platform**, this engine was specifically tuned for track dominance, featuring a **3.6-liter displacement** with twin turbochargers that deliver an astonishing **450 horsepower** (depending on tuning and modifications) while maintaining an aggressive torque curve that ensures near-instantaneous acceleration from standstill to full throttle.

At its core, the **9Y3-133-246** is a masterclass in aerospace-grade materials and engineering finesse. The **cast aluminum cylinder block** is reinforced with **high-strength steel crankshaft bearings** and a **forged steel crankshaft**, ensuring durability under extreme G-forces and high RPM demands. The **dry-sump lubrication system** guarantees consistent oil flow even under the most demanding conditions, while the **intercooled twin-turbo setup** (utilizing **Garrett T3 turbochargers**) maximizes efficiency by forcing ambient air into the combustion chambers, significantly boosting power output without sacrificing reliability. The **direct-injection fuel system**, paired with **Porsche s proprietary fuel management**, ensures precise atomization for optimal combustion, reducing knock and enhancing thermal efficiency.

One of the most standout features of this engine is its **adaptive valve control system**, which dynamically adjusts valve timing and lift to optimize performance across the entire RPM spectrum from low-end torque to high-revving top-end power. The **sequential turbocharging** (with wastegates) allows for rapid spool-up, eliminating turbo lag and providing immediate throttle response, a critical advantage in both track racing and high-speed driving. Additionally, the **high-flow exhaust system** (often featuring **Porsche s signature titanium or stainless-steel headers**) is designed to channel exhaust gases efficiently, further enhancing engine breathing and power delivery.

For enthusiasts seeking to restore or modify their **996.2 911**, the **9Y3-133-246** is a highly sought-after component due to its **race-proven durability** and **aftermarket compatibility**. Whether used in a **street-legal GT2 RS or a fully stripped-down race car**, this engine thrives under extreme conditions, with many examples enduring **thousands of miles at track speeds** with minimal wear. The **996.2 platform** also benefits from a **strong aftermarket support**, with options for **high-flow intake manifolds, upgraded intercoolers, and custom tuning solutions** (such as **Porsche Tuning, MHD, or custom ECU maps**) that can push power outputs even higher some modified examples have achieved **500 horsepower** while maintaining structural integrity.

Beyond its mechanical brilliance, the **9Y3-133-246** is a **cultural icon**, representing Porsche s golden era of **GT racing dominance** in the late 1990s and early 2000s. Its **distinctive twin-turbo sound**, a deep, growling rumble that shifts into a high-pitched scream under full throttle, is instantly recognizable and deeply revered by Porsche purists. Whether installed in a **fully restored race car, a street-legal GT2 RS, or a custom-built track beast**, this engine delivers an **unmatched driving experience** one that blends **raw power, surgical precision, and timeless Porsche engineering** into a single, intoxicating package. For collectors, racers, and enthusiasts alike, the **9Y3-133-246** is not just an engine; it is a **piece of automotive history**, a testament to Porsche s relentless pursuit of perfection on both the street and the track.

### **Pros and Cons of Buying a Porsche 911 (991.2) 9Y3-133-246 Engine**

The **9Y3-133-246** is the **991.2 generation 911 (2015 2019) 4.0L Twin-Turbo Flat-Six engine**, producing **450 473 hp** depending on the model (e.g., Carrera S, Turbo S, GT3). Below is a detailed breakdown of its advantages and drawbacks.

---

### **Pros**

1. **High Performance and Power**

- The **Twin-Turbo setup** delivers strong acceleration, with the **Carrera S** (450 hp) and **Turbo S** (473 hp) offering near-supercar-like performance.

- The **GT3 variant (9Y3-133-246-00)** is a track-focused engine with **473 hp**, optimized for high-revving performance and precision.

- **Quick 0-60 mph times** ( 3.5 4.0 seconds in Turbo S, 4.0 4.5 in Carrera S) and **top speeds** exceeding **186 mph** in the Turbo S.

2. **Improved Reliability Over Earlier 991 Engines**

- **Stronger turbochargers** (less lag, better efficiency).

- **Improved oil cooling system** (reduces risk of overheating).

- **Better fuel injection and ignition timing** (more consistent power delivery).

- The **9Y3-133-246** is considered **more durable** than the **9Y3-133-245** (earlier 991.2 engines) in some cases, though long-term reliability still depends on maintenance.

3. **Better Fuel Efficiency Than Naturally Aspirated 911s**

- While **not as efficient as a diesel or hybrid**, it **drinks less fuel than the 997.2 (2009 2012) NA engines** in high-performance trim.

- **Real-world MPG** (Carrera S): 18 22 MPG (city/highway combined), **Turbo S**: 16 19 MPG.

- **Stop & Start system** (on some models) helps improve fuel economy in traffic.

4. **Modern Technology and Driver Engagement**

- **PDK dual-clutch transmission** (standard on Carrera S, Turbo S) provides **near-instant gear shifts**, enhancing driving dynamics.

- **Adaptive suspension** (optional) improves handling on different road surfaces.

- **Advanced electronics** (e.g., **Porsche Communication Management (PCM)**, **adaptive cruise control**) make the car more user-friendly.

- **Better sound quality** (optional **Bose or Bang & Olufsen audio**) and **refined interior** compared to older 911s.

5. **Strong Aftermarket Support**

- **Wide availability of parts** (turbo upgrades, exhaust, ECU tuning).

- **Tuning potential** (e.g., **Bosch or Haltech ECU upgrades** can push power to **500 hp** with minor modifications).

- **Common issues (like oil leaks or turbo failures) are well-documented**, making repairs easier for experienced owners.

6. **Resale Value and Prestige**

- The **991.2 911 remains highly desirable**, especially the **Carrera S and Turbo S**, maintaining strong resale value.

- **Porsche s reputation** ensures a **strong secondary market**, even for used examples.

- **Ownership prestige** the 911 is one of the most iconic sports cars in the world.

7. **Track Capability (Especially GT3 Models)**

- **Lightweight construction** (compared to Turbo S).

- **Aggressive suspension tuning** (stiffer springs, limited-slip differential).

- **Better cooling and durability** for high-stress driving.

- **Easier to modify for track use** (e.g., **stiffened subframes, upgraded brakes**).

---

### **Cons**

1. **Higher Maintenance Costs**

- **More frequent oil changes** (every **5,000 7,500 miles** recommended).

- **Turbo and intercooler maintenance** (can fail if not properly serviced).

- **Expensive repairs** (e.g., **fuel pump, turbocharger, or water pump replacements** can cost **$2,000 $5,000 **).

- **Porsche dealership labor rates** are **high** (expect **$120 $150/hour** for repairs).

2. **Common Reliability Issues**

- **Oil leaks** (from **valve cover gaskets, oil filter housing gaskets, or oil cooler lines**) are **not uncommon**, especially in **higher-mileage examples**.

- **Turbocharger failures** (less frequent than in the **997.2 era**, but still a risk if oil changes are neglected).

- **Water pump failures** (can lead to **engine overheating** if not caught early).

- **Fuel pump issues** (some **991.2 models** have had **early fuel pump failures**, requiring **$1,500 $2,500 replacements**).

- **Carbon buildup** (from direct injection) can **reduce performance over time**, requiring **carbon cleaning ( $1,000 $1,500)**.

3. **Fuel Economy is Still Poor for a Daily Driver**

- **Even with Stop & Start**, the **Twin-Turbo 911 is not fuel-efficient** compared to modern hybrids or diesel engines.

- **High fuel consumption** makes long-distance driving **expensive**.

4. **Noise and Vibration Levels**

- **Turbocharged engines are louder** than NA 911s, with **more exhaust and turbo whine**.

- **Some models (especially Turbo S) have noticeable vibration** at high RPM, though this is **less pronounced in later 991.2 models**.

- **PDK transmission can be noisy** in some cases, especially when shifting under load.

5. **Higher Purchase and Running Costs**

- **New or low-mileage examples** are **expensive** (a **2015 Carrera S starts around $80,000 $100,000 used**).

- **Insurance costs** are **very high** (expect **$2,000 $4,000/year** for full coverage).

- **Tires, brakes, and suspension wear out faster** due to the car s **aggressive nature**.

6. **Electronics and Software Quirks**

- **Porsche s infotainment system (PCM) can be slow and glitchy** compared to modern rivals.

- **Some models have issues with Bluetooth connectivity or sensor errors** (e.g., **wheel speed sensor faults**).

- **Recalls and software updates** are common, requiring **dealership visits**.

7. **Not as Efficient as Modern Alternatives**

- **Hybrid or plug-in hybrids (e.g., Porsche Taycan, BMW i8) offer better fuel economy and lower emissions**.

- **Electric performance cars (e.g., Tesla Model S, Audi R8 e-tron) provide instant torque and lower running costs**.

- **The 911 is a "throwback" in some ways** while it has modern tech, it **lacks some efficiency and practicality** of newer electric/hybrid sports cars.

8. **Potential for Hidden Issues in Used Examples**

- **Oil leaks** (often **ignored by previous owners** until they become serious).

- **Turbo or intercooler damage** (from **poor maintenance or aggressive driving**).

- **Transmission issues** (PDK can **develop shifting problems** if not properly maintained).

- **Corrosion** (especially in **salt-prone regions**, affecting **brake lines, exhaust, and undercarriage**).

---

### **Conclusion**

The **Porsche 911 (991.2) 9Y3-133-246 engine** is a **high-performance, engaging, and desirable powerplant**, but it comes with **significant trade-offs** compared to modern alternatives. **If you prioritize driving dynamics, prestige, and raw power**, this engine is an **excellent choice**. However, **if you value fuel efficiency, low maintenance costs, or practicality**, a **hybrid or electric sports car may be a better long-term investment**.

For **enthusiasts who love the 911 experience

Details:

Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable.

part #: 9y3133246 prices

• $295.46-$587.59

specifications emissyste:

• for models: Cayenne
• for makes: Porsche
• for years: 2022-2023
• mpn: 9y3-133-246
• part type: Motor
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• year: 2022 2023
• parts included: Only Part Reference 20 On The Diagram Is Included

payments emissyste:

• other
• credit card: Mastercard
• wallet: Paypal

shipping emissyste:

• cost: $7.99
• type: Fixed
• transit: 4-9 Days
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• class: Standard

seller emissyste:

• city: Cockeysville, Maryland
• # reviews: 2662
• rating: 97.6%

general emissyste:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts

returns emissyste:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

offer emissyste:

• quantity: 1
• started: April 30, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock

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