AUDI 0262911071833331079101 Engine Crankshaft Crank Shaft 079101AN 8T 4.2

( Manufacturer Part Number: 0262911071833331079101 ), ( Part Type: Engine Crankshaft Crank Shaft ), ( Ipn: 079101an ), ( Oe/oem Part Number: 08 09 10 11 12 2008 2009 2010 2011 2012 ), ( Manufacturer Warranty: 30 Day )

Review AUDI 8t 4.2 Engine Gasoline Crankshaft Crank Shaft Oem fits QUATTRO S5 2008–2012

The **Audi 0262911071833331079101 Crankshaft** is a precision-engineered component designed exclusively for the **8T (Type 8N3) 4.2L V8 S5 Quattro engine**, produced in Audi models spanning the **2008 to 2012 model years**, including the **S5 Coup , S5 Cabriolet, and S5 Avant**. This crankshaft is a critical part of the engine s power delivery system, responsible for converting linear piston motion into rotational force that drives the vehicle s drivetrain. Crafted from **high-grade forged steel**, it undergoes rigorous heat treatment and dynamic balancing to ensure optimal strength, durability, and smooth operation under extreme performance demands. The crankshaft features **five main journals** (including the counterweighted design) and **eight crankpins**, precisely machined to maintain minimal friction and maximize efficiency, even at high RPMs. Its **interference-fit design** with the engine block and oil passages ensures proper lubrication, preventing premature wear and extending the engine s lifespan. This component is essential for maintaining the engine s **420 horsepower and 325 lb-ft of torque**, delivering the signature **S5 s exhilarating acceleration and responsive throttle response**. Whether for a restoration project, engine rebuild, or replacement due to wear, this crankshaft is a **direct-fit, OEM-quality part**, ensuring seamless integration with the original engine architecture. Its compatibility with the **4.2L V8 s high-performance specifications** makes it a must-have for enthusiasts seeking to preserve or enhance the legendary performance of their Audi S5.

### **Pros and Cons of Buying an Audi A6 (0262911071833331079101, 08-12, 8T S5 Quattro, 4.2L Engine, Crankshaft Issue)**

This vehicle is an **Audi A6 (C6, 2008-2012) with a 4.2L V8 (8T) engine**, specifically noted for a **crankshaft issue** (likely a bent or damaged crankshaft, which can be a severe problem). Below is a detailed analysis of the pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **Strong Engine (When Functional)**

- The **4.2L V8 (8T) is a powerful engine** when in good condition, producing **333-414 hp** depending on the model year and tuning.

- It provides **excellent acceleration and towing capacity** (up to **4,400 lbs** in some trims), making it suitable for performance driving and heavy loads.

- The **Quattro all-wheel-drive system** enhances traction, handling, and stability, especially in adverse weather conditions.

2. **Luxury and Comfort**

- Audi s **premium interior** includes high-quality materials, ergonomic seating, and advanced sound insulation, contributing to a **quiet and refined cabin**.

- **Adaptive suspension, heated/ventilated seats, and advanced climate control** make long drives comfortable.

- **Standard features** like **blind-spot monitoring, lane departure warning, and adaptive cruise control** (in later models) improve safety and convenience.

3. **Reliability of the Platform (When Maintained Properly)**

- The **A6 C6 chassis is robust**, and with **regular maintenance**, many components (transmission, suspension, electronics) can last **150,000 miles**.

- The **8-speed Tiptronic transmission** (in later models) is smooth and reliable if serviced properly.

4. **Resale Value and Brand Prestige**

- Audi retains **strong resale value** compared to many competitors, especially for well-maintained luxury sedans.

- The **brand reputation** for performance and luxury remains strong, which can be appealing to buyers.

5. **Modification Potential**

- The **4.2L V8 is a favorite among tuners** due to its **strong power potential** (aftermarket upgrades like **turbocharging, ECU tuning, and suspension modifications** are common).

- **Quattro systems** can be upgraded for better performance in drifting or track use.

6. **Spacious and Practical**

- The **A6 offers generous rear legroom and cargo space** (up to **16.3 cu. ft.** in the base model), making it practical for families or road trips.

- **Available panoramic sunroof** enhances the driving experience.

---

### **Cons**

1. **Severe Crankshaft Issue (Major Red Flag)**

- A **bent or damaged crankshaft** is one of the **most expensive and critical engine failures** in a vehicle.

- **Repair costs** can range from **$3,000 to $6,000 **, depending on whether the crankshaft needs **replacement, machining, or bearing replacement**.

- If the damage is **extensive (e.g., broken rods, piston damage)**, the engine may require a **full rebuild or replacement**, making the car **uneconomical to repair**.

- **Risk of further damage**: Driving with a bent crankshaft can lead to **catastrophic engine failure**, leaving you stranded.

2. **High Maintenance and Repair Costs**

- Audi s **luxury status** means **parts and labor are expensive** compared to German or non-German alternatives.

- **Oil leaks** (valve cover, oil pan, rear main seal)

- **Timing chain stretch or failure** (can lead to **catastrophic engine damage**)

- **Water pump and thermostat failures** (common in this engine)

- **Transmission issues** (especially in early models with the **6-speed Tiptronic**)

- **Electrical gremlins** (infotainment system, sensors, wiring harness failures)

- **Regular maintenance (oil changes, timing belt, spark plugs, etc.) is crucial** but often overlooked by owners.

3. **Fuel Economy and Cost of Ownership**

- The **4.2L V8 is thirsty**, averaging **12-15 MPG combined**, making fuel costs **significantly higher** than modern turbocharged or hybrid alternatives.

- **Insurance premiums** are **much higher** than for smaller or more fuel-efficient luxury cars.

4. **Depreciation and Market Demand**

- The **A6 C6 has seen steady depreciation** over the years, and **fuel costs have made it less attractive** compared to modern hybrids or electric luxury sedans.

- **Used market demand is declining**, meaning **resale value may not recover** even with proper maintenance.

- **Rarity of parts**: Some **aftermarket and OEM parts** (especially for older models) can be **hard to find or expensive**.

5. **Electrical and Software Issues**

- The **Audi MMI infotainment system** is known for **freezing, lag, and compatibility issues** with modern smartphones.

- **Sensor failures** (e.g., **mass airflow sensor, oxygen sensors**) can trigger **check engine lights** and reduce performance.

- **Adaptive cruise control and lane-keeping systems** (in later models) may require **firmware updates**, which can be **inconvenient or costly**.

6. **Driving Dynamics Limitations**

- While the **Quattro system is great for traction**, the **A6 is not as nimble as a sports sedan** (e.g., BMW M5, Mercedes AMG E63).

- **Ride comfort is prioritized over sportiness**, meaning **less precise handling** compared to Audi s S-line or RS models.

7. **Environmental and Regulatory Concerns**

- The **4.2L V8 is not eco-friendly**, and **future emissions regulations** may make older luxury V8s **less desirable** in some markets.

- **Electric and hybrid alternatives** (e.g., Audi A6 e-tron, Tesla Model S) offer **better long-term sustainability**.

---

### **Conclusion**

Buying this **Audi A6 (08-12, 8T S5 Quattro, 4.2L, crankshaft issue)** is a **high-risk, high-reward scenario**. The **pros (power, luxury, Quattro, modification potential)** are significant, but the **cons (severe crankshaft damage, high maintenance costs, poor fuel economy, declining market demand)** make it a **financially risky purchase** unless:

1. **The crankshaft issue is minor and repairable** (e.g., **bearing replacement rather than full crankshaft replacement**).

2. **You have a large budget** for **immediate repairs and future maintenance**.

3. **You are a performance enthusiast** who plans to **modify and drive the car aggressively** (justifying the higher costs).

4. **You find a well-documented, low-mileage example** with **full service records** proving the engine has been **properly maintained**.

**If the crankshaft is severely damaged (e.g., broken rods, piston damage), the repair cost will likely exceed the car s value, making it a bad investment.** In such cases, **buying a used A6 with a known good engine (or a different model year with fewer issues) would be wiser**.

---

### **Recommendation**

#### **Option 1: Walk Away (If Crankshaft is Severely Damaged)**

- **Do not buy this car** if the crankshaft issue is **major (e.g., broken crank, rod damage)**.

- **Estimate repair costs** from a **trusted Audi specialist** before committing.

- **Compare against alternatives** (see below).

#### **Option 2: Buy with Extreme Caution (If Crankshaft is Repairable)**

- The **seller provides a detailed repair estimate** (preferably from an **Audi dealer or trusted mechanic**).

- The **repair cost is reasonable** (e.g., **bearing replacement $1,500-$2,500** vs. **full crankshaft replacement $4,000 **).

- You **have emergency funds** for **unexpected repairs** (this car will need **timing chain, water pump, and oil system checks** soon).

- You **inspect the engine thoroughly** (look for **oil leaks, unusual noises, compression test results**).

- **Negotiate aggressively** the **crankshaft issue should significantly lower the price**.

- **Get a pre-purchase inspection (PPI) from an Audi specialist** this is **non-negotiable**.

#### **Option 3: Consider Alternatives**

1. **Audi A6 (C6, 2008-2012) with a 3.0L V6 (3.0T or

Details:

Most Mercedes and BMW parts must be re-programmed in order to work your vehicle. LOT # 071521. MILEAGE: 107,970. 2008 AUDI S5 COUPE QUATTRO AWD 4.2 MT.

COLOR EXTERIOR: LY7H GRAY METALLIC. Also, most part numbers must match in order to fit your vehicle.

part #: 0262911071833331079101 prices

• $27.96-$224.95

specifications cranshafengin:

• for models: S5, Quattro
• for makes: Audi
• for years: 2008-2012
• mpn: 0262911071833331079101
• part type: Engine Crankshaft Crank Shaft
• ipn: 079101an
• oe/oem part number: 08 09 10 11 12 2008 2009 2010 2011 2012
• manufacturer warranty: 30 Day

payments cranshafengin:

• wallet: Google-pay
• credit card: Diners-club
• other

shipping cranshafengin:

• cost: $25.00
• service: Standard
• type: Fixed
• class: Standard
• transit: 3-8 Days

returns cranshafengin:

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

seller cranshafengin:

• rating: 99.8%
• # reviews: 19172
• city: Stockton, New Jersey

offer cranshafengin:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: April 13, 2026

general cranshafengin:

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

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