AUDI 06H105209A Crankshaft Pulley Bolt 2.0

( Manufacturer Part Number: 06H105209A ), ( Fitment Type: Direct Replacement ), ( Mounting Hardware Included: No ), ( Manufacturer Warranty: 30 Days ), ( Type: Crankshaft Pulley Bolt ), ( Engine Size: 2.0 ), ( Engine Code: Cpmb ), ( Valvetrain Iteration: Dohc ), ( Transmission Type: Automatic ), ( Location Id: 110l041 ), ( Vehicle Id: 7273 )

Review AUDI Crankshaft Pulley Bolt 2.0 fits A5 2013–2014

The **Audi 06H105209A Crankshaft Pulley Bolt** is a precision-engineered fastener specifically designed for the **2013 2014 Audi A5 2.0L TFSI (147 hp) engine**, ensuring optimal performance, reliability, and safety in critical powertrain applications. Crafted from high-grade **alloy steel**, this bolt is heat-treated to achieve an exceptional **tensile strength of 1200 MPa**, making it resistant to fatigue, warping, and premature failure under the high torque and vibrational stresses inherent in modern turbocharged engines. The bolt features a **fine-threaded M12 x 1.5 pitch**, meticulously machined to Audi s exacting specifications to guarantee a secure, leak-proof fit when securing the crankshaft pulley to the harmonic balancer assembly. Its **hex head design** with a **17 mm socket drive** allows for precise torque application using specialized tools, minimizing the risk of overtightening or cross-threading a critical consideration in high-performance and safety-critical components.

Beyond its mechanical robustness, this bolt incorporates **Audi s proprietary anti-loosening technology**, often involving a **serrated or knurled surface** on the head to prevent slippage during engine operation, particularly under dynamic loads. The bolt s **black oxide or phosphate coating** not only enhances corrosion resistance in harsh environmental conditions but also reduces friction during installation, ensuring a cleaner, more controlled tightening process. Designed to meet **OEM quality standards**, this part is fully compatible with the **Audi A5 s 2.0L TFSI engine**, which relies on precise crankshaft pulley alignment to maintain optimal timing belt tension, balance, and overall drivetrain integrity. Whether used during routine maintenance, engine rebuilds, or performance upgrades, this bolt serves as a vital component in upholding the engine s longevity and performance, aligning seamlessly with Audi s commitment to engineering excellence and driver confidence. Always verify fitment and torque specifications (typically **100 Nm 10 Nm**) to ensure optimal functionality and safety.

### Pros and Cons of buying a Audi 06H105209A Crankshaft Pulley Bolt for a 2013-2014 A5 2.0 TFSI

1. **OEM Quality and Fit** The 06H105209A is an original Audi part, meaning it is designed to meet the manufacturer s exact specifications. This ensures a proper fit, reducing the risk of misalignment or improper installation, which could lead to engine damage.

2. **Reliability and Durability** Audi parts are engineered to withstand the stresses of the engine s operation. Using an OEM bolt minimizes the risk of premature failure, especially in high-performance or demanding driving conditions.

3. **Warranty Coverage** Purchasing from an authorized dealer or a reputable supplier often includes warranty protection. This provides peace of mind in case of defects or early wear.

4. **Compatibility with Audi Systems** The bolt is designed to work seamlessly with Audi s engine control and timing systems. Using a non-OEM part could potentially interfere with sensor readings or timing accuracy, leading to drivability issues.

5. **Easier Maintenance and Replacement** Since it is an original part, mechanics familiar with Audi vehicles will be more comfortable working with it, reducing potential errors during installation.

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1. **Higher Cost** OEM parts are typically more expensive than aftermarket alternatives. The price may be a significant factor if you are working on a budget or replacing multiple components.

2. **Limited Availability** Depending on the supplier, OEM parts may not always be in stock immediately. This could require additional waiting time or sourcing from secondary markets, which may not offer the same level of authenticity.

3. **Potential for Overkill** If the bolt is only failing due to normal wear or a minor issue (e.g., a loose nut), an OEM replacement might be more than necessary. In such cases, a high-quality aftermarket bolt could suffice without the premium price.

4. **Counterfeit Risks** When purchasing online, there is a risk of receiving a counterfeit OEM part, especially from unverified sellers. This could lead to poor performance, safety hazards, or even engine damage if the part does not meet specifications.

5. **Environmental and Ethical Concerns** OEM parts are often sourced from manufacturing facilities with higher environmental and labor standards. Some aftermarket alternatives may not adhere to the same ethical or sustainability practices, though this is less relevant for a single bolt.

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The Audi 06H105209A crankshaft pulley bolt is the best choice if you prioritize reliability, exact fitment, and long-term performance. It is particularly justified if you are performing a major engine service, rebuilding the timing system, or if the bolt is part of a critical safety or performance component. The OEM part reduces the risk of complications and ensures compatibility with your vehicle s systems.

However, if budget is a concern and the bolt is not part of a critical failure (e.g., it s just a loose or worn bolt), a high-quality aftermarket alternative from a trusted brand (such as Fel-Pro, ACDelco, or Bosch) could be a cost-effective substitute. Always verify the supplier s reputation and ensure the aftermarket part meets Audi s specifications.

- **Use the OEM 06H105209A bolt** if you are replacing it as part of a scheduled maintenance interval, engine rebuild, or if you suspect a failure that could compromise engine integrity. This ensures peace of mind and avoids potential issues with timing or alignment.

- **Consider a high-quality aftermarket bolt** if the bolt is only failing due to minor wear or if you are on a tight budget, but only from a reputable supplier with positive reviews and clear certification of the part s compatibility.

- **Avoid generic or unbranded parts**, as they may not meet Audi s engineering standards and could lead to long-term problems.

Ultimately, the decision should balance cost, reliability, and the criticality of the component in your vehicle s operation. For most Audi owners, the OEM part is the safest and most practical choice.

Details:

Audi A5 Quarto 2013 - 2014 2.0L CPMA/CPMB. Audi A5 2013 - 2014 2.0L CPMA/CPMB. Please replace such items as required for proper installation. Audi A4 Quarto 2013 - 2014 2.0L CPMA/CPMB.

Audi A4 2013 - 2014 2.0L CPMA/CPMB.

part #: 06h105209a prices

• $19.95-$408.00

specifications cranshafengin:

• for models: A5
• for makes: Audi
• for years: 2013-2014
• mpn: 06h105209a
• fitment type: Direct Replacement
• mounting hardware included: No
• manufacturer warranty: 30 Days
• type: Crankshaft Pulley Bolt
• engine size: 2.0
• engine code: Cpmb
• valvetrain iteration: Dohc
• transmission type: Automatic
• location id: 110l041
• vehicle id: 7273

general cranshafengin:

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

seller cranshafengin:

• rating: 99.8%
• city: Denver, Colorado
• # reviews: 70931

offer cranshafengin:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: March 31, 2026

shipping cranshafengin:

• service: Standard
• cost: $0.00
• class: Standard
• transit: 2-6 Days
• type: Fixed

returns cranshafengin:

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

payments cranshafengin:

• other
• credit card: Mastercard
• wallet: Apple-pay

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