PORSCHE 946101AR Engine Motor Crankshaft Crank Rod 3.6L

( Manufacturer Part Number: 946101AR ), ( Oe/oem Part Number: 94610201137, 946 102 011 37, 946.102.011.37, 946-102-011-37, 946102011 ), ( Manufacturer Warranty: 2 Months ), ( Vintage Part: No ), ( Country Of Origin: Germany )

Review PORSCHE Cayennes 3.6l Engine Motor Crankshaft Crank Rod Factory Oem fits CAYENNE 2015–2018

The **Porsche 946101AR 3.6L Twin-Turbo Flat-Six Engine Crankshaft and Connecting Rod Assembly** for the **9F2 (2015 2018) Cayenne S, Cayenne Turbo, and Cayenne Diesel** represents a pinnacle of automotive engineering, meticulously crafted to deliver the uncompromising performance and reliability synonymous with Porsche s legacy. This high-performance component set is designed to power the **9A2 (2016 2018) and 9A3 (2015 2016) Cayenne** models equipped with the **M97/M97.2 3.6-liter twin-turbocharged flat-six engine**, a powerhouse that seamlessly blends turbocharged efficiency with the natural smoothness of a horizontally opposed architecture. The **crankshaft**, forged from premium-grade steel, exhibits a precision-machined design with optimized counterweights and a robust main journal bearing system, ensuring minimal vibration and maximum durability under the extreme loads generated by the turbocharged induction system. Each crankshaft is dynamically balanced to perfection, reducing parasitic losses and enhancing overall engine efficiency, while its hardened journals and polished surfaces minimize friction, contributing to the engine s legendary longevity.

Complementing the crankshaft is the **connecting rod assembly**, a critical link in the power transfer chain that must withstand the immense forces exerted by the high-pressure combustion cycles of the turbocharged 3.6-liter engine. These rods are crafted from **high-strength forged steel**, featuring a **H-section design** for superior rigidity and strength, while their **big-end bearings** are precision-matched to the crankshaft s journals for seamless articulation and reduced wear. The rods are also dynamically balanced to the crankshaft s specifications, ensuring harmonic motion and minimizing stress on the engine s internal components. Together, the crankshaft and connecting rod assembly form the backbone of the engine s power delivery system, translating the explosive energy of the twin-turbocharged cylinders into smooth, linear motion with remarkable efficiency.

This component set is not merely a replacement part but a **performance-enhancing upgrade** for enthusiasts seeking to restore or enhance the reliability and power output of their Cayenne s 3.6-liter engine. Whether used in a **restomod project** to revive a worn-out original assembly or as a **preventative measure** to extend the engine s lifespan under high-performance conditions, the **946101AR crankshaft and connecting rod set** embodies Porsche s commitment to precision and performance. Engineered to meet or exceed OEM specifications, these components are designed to integrate flawlessly with the engine s **variable valve timing (VVT)**, **direct fuel injection**, and **twin-turbocharged induction system**, ensuring optimal airflow, combustion efficiency, and power output. The **crankshaft s polished main journals** and **connecting rod s precision-machined surfaces** further reduce internal friction, contributing to improved fuel economy and reduced heat generation a critical advantage in the demanding conditions of daily driving or spirited performance use.

For the discerning owner of a **2015 2018 Cayenne**, this component set represents an investment in both performance and longevity, offering a direct path to restoring or enhancing the engine s original intent. Whether installed as part of a **full engine rebuild** or as a targeted upgrade to address wear in the crankshaft or connecting rod bearings, the **946101AR assembly** ensures that the 3.6-liter twin-turbo flat-six continues to deliver the **smooth, linear power** and **refined performance** that define Porsche s engineering philosophy. With its **forged construction, dynamic balancing, and precision machining**, this component set is a testament to the enduring legacy of Porsche s commitment to excellence, providing the foundation for countless miles of exhilarating driving experiences.

### **Pros and Cons of Buying a Porsche 946101AR (2015 2018 Cayenne 3.6L Engine with Crankshaft/Crank Rod Issues)**

#### **Overview**

The **Porsche Cayenne 3.6L (9A2/9A3) with the 9A2 engine** (2015 2018 models) is a powerful, luxury SUV known for its V6 twin-turbo setup, all-wheel-drive capability, and refined interior. However, this engine variant has faced **crankshaft and crank rod (connecting rod) reliability concerns**, particularly in certain production batches (including the **946101AR** code). Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

---

### **Pros of Owning a 2015 2018 Cayenne 3.6L**

1. **Power and Performance**

- The **3.6L twin-turbo V6** produces **400 420 hp** (depending on the model year) and **420 lb-ft of torque**, delivering strong acceleration and towing capacity (up to **7,716 lbs** in the Cayenne Turbo S).

- The engine is **faster than the naturally aspirated 3.0L V6**, making it more engaging for driving enthusiasts.

2. **Luxury and Comfort**

- The Cayenne is Porsche s largest SUV, offering **spacious seating (up to 5 passengers), premium materials, and advanced tech** (Porsche Communication Management, adaptive cruise control, lane-keeping assist).

- **Comfortable ride** with excellent suspension tuning for both on-road and light off-road use.

3. **All-Wheel Drive and Off-Road Capability**

- The **Porsche Traction Management (PTM) system** provides strong grip in various conditions.

- **Air suspension** (optional) allows for adjustable ride height, improving ground clearance for light off-roading.

- **Cayenne Diesel (3.0L TDI) alternative** is more fuel-efficient but lacks the power of the 3.6L; this V6 is better for performance-oriented buyers.

4. **Resale Value (Compared to Competitors)**

- While not as high as a 911 or 718 Cayman, the Cayenne retains **better residual value than most luxury SUVs** of its class (e.g., BMW X5, Audi Q7).

- The **3.6L model is more desirable than the 3.0L V6** due to its performance, making it a slightly better investment.

5. **Aftermarket and Modification Potential**

- The **twin-turbo V6 is tuner-friendly**, with aftermarket support for **boost upgrades, exhaust modifications, and performance chips**.

- Porsche s **PDK dual-clutch transmission** (in Turbo models) is one of the smoothest in its class.

6. **Safety and Technology**

- Standard **Porsche Active Safety Package** includes blind-spot monitoring, rear cross-traffic alert, and adaptive headlights.

- **Porsche Connect** offers **remote start, navigation, and vehicle diagnostics** via smartphone.

7. **Brand Prestige and Dealer Support**

- Porsche dealerships provide **strong warranty coverage** (if purchased new or with a full service history).

- **Specialized Porsche technicians** are available for repairs, ensuring high-quality service.

---

### **Cons and Major Concerns**

1. **Crankshaft and Crank Rod Failures (Primary Issue)**

- The **9A2/9A3 3.6L twin-turbo V6** has been plagued by **crankshaft and connecting rod (crank rod) failures**, particularly in **2015 2018 models**.

- **Knocking or rattling noises** from the engine (often heard at idle or low RPM).

- **Blue smoke** from the exhaust (indicating oil burning due to rod bearing failure).

- **Check Engine Light (CEL)** with codes related to **misfires, oil pressure, or camshaft position**.

- **Engine seizing** (in severe cases, leading to catastrophic failure).

- **Porsche has acknowledged the issue** and issued **recalls and service bulletins**, but many affected vehicles were sold before fixes were widely applied.

- **Common affected batches**: Engines with **casting numbers in the 946101AR range** (check your VIN for the engine code).

2. **High Repair Costs**

- **Replacing a crankshaft or connecting rod** is an **extremely expensive repair**, typically costing **$8,000 $15,000 ** (labor-intensive, requiring engine removal and rebuild).

- **Porsche s official repair estimate** for a crankshaft replacement is often **$10,000 $12,000**, not including potential additional damage.

- **Insurance may not cover pre-existing issues** unless the vehicle was in an accident.

3. **Reliability Concerns Beyond the Engine**

- **Transmission issues**: Some owners report **PDK transmission problems** (slipping, delayed shifts) in Turbo models.

- **Electrical gremlins**: Porsche s complex infotainment system can be **prone to software glitches and sensor failures**.

- **Air suspension leaks**: Common in older Cayennes, requiring **expensive repairs** (up to **$3,000 $5,000** for a full rebuild).

4. **Fuel Economy and Running Costs**

- The **3.6L twin-turbo V6 is thirsty**, averaging **12 15 MPG in the city and 16 18 MPG on the highway** (worse than the 3.0L V6 or Diesel).

- **High maintenance costs** (Porsche parts and labor are expensive).

- **Oil changes require high-quality synthetic oil** (Porsche recommends **5W-40 or 0W-40**), adding to running expenses.

5. **Depreciation and Market Demand**

- While the Cayenne holds value better than most SUVs, the **3.6L model is less desirable than the Turbo or Diesel** due to its reliability issues.

- **Used market is cautious** buyers may hesitate due to the **crankshaft risk**, potentially lowering resale value.

- **Financing may be harder** to secure for a high-mileage 3.6L Cayenne with unknown service history.

6. **Noise and Vibration Issues**

- Some owners report **excessive engine noise** (especially at higher RPMs) due to **twin-turbo lag and valve train issues**.

- **Road noise** can be intrusive in higher trims (e.g., Turbo models).

7. **Off-Road Limitations**

- While the Cayenne can handle **light off-roading**, it is **not a true off-road machine** like the **Cayenne Turbo S or Porsche Macan Turbo S**.

- **Air suspension wear** and **lack of locking differentials** limit serious off-road capability.

---

### **How to Assess a 2015 2018 Cayenne 3.6L Before Buying**

1. **Check the Engine Code (VIN Decoder)**

- Look up your **VIN** (e.g., on the driver s side door jamb or Porsche registration).

- Use **Porsche s VIN decoder** or a third-party site (e.g., **VINCheck.info, Porsche Owners Club forums**) to confirm the **engine casting number**.

- **Avoid engines with casting numbers in the 946101AR range** these are the most at-risk for crankshaft failures.

2. **Review Service History**

- **Oil changes every 6,000 8,000 miles** (Porsche recommends **5W-40 or 0W-40**).

- **No history of engine knocking or misfires**.

- **Recent crankshaft inspection** (Porsche has issued **service bulletins** for affected engines).

- **Ask for a Porsche dealer inspection** before purchasing some dealerships will **refuse to sell** a high-risk engine.

3. **Listen for Engine Noises**

- **Knocking or rattling** (especially at idle or low RPM) is a **red flag**.

- **Blue smoke from the exhaust** is a **sign of severe internal damage**.

- **Check for oil leaks** (around the valve cover, oil pan, or turbochargers).

4. **Get a Pre-Purchase Inspection (PPI)**

- **Inspect the engine for wear**.

- **Check compression and oil pressure**.

- **Test the crankshaft and connecting rods** (some shops can do **ultrasonic testing**).

- **Cost**: $300 $500, but **worth it** to avoid a $10,000

Details:

Vehicle had around 94k miles. Inventory ID: 16 Cayennes LA95261. Donor Vehicle: This came off of a 2016 Cayenne Item Comes as Seen in The Pictures.

part #: 946101ar prices

• $894.23-$1079.00

specifications cranshafengin:

• for models: Cayenne
• for makes: Porsche
• for years: 2015-2018
• mpn: 946101ar
• oe/oem part number: 94610201137, 946 102 011 37, 946.102.011.37, 946-102-011-37, 946102011
• manufacturer warranty: 2 Months
• vintage part: No
• country of origin: Germany

seller cranshafengin:

• # reviews: 9987
• rating: 99.9%
• city: Garland, Texas

general cranshafengin:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

shipping cranshafengin:

• type: Fixed
• transit: 3-8 Days
• cost: $75.00
• service: UPS Ground
• carrier: UPS
• class: Standard

offer cranshafengin:

• sold: 0
• quantity: 1
• started: March 4, 2026
• availability: In Stock
• options: Ship-to-home

payments cranshafengin:

• wallet: Paypal
• other
• credit card: Visa

returns cranshafengin:

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

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