VOLKWAGEN 034105701B4OZ Vw Connecting Rod Bearing Audi/vw

( Brand: Volkwagen ), ( Manufacturer Part Number: 034105701B4OZ ), ( Part Type: Bearing Rod )

Review VOLKWAGEN Audi/vw Oem Connecting Rod Bearing

The **Volkswagen 034105701B** is a high-performance, precision-engineered connecting rod bearing designed specifically for Audi and Volkswagen engines, ensuring optimal performance, durability, and reliability in demanding driving conditions. Manufactured to the strictest automotive standards, this bearing is crafted from high-quality, lead-free, and tin-plated steel-backed shell material, delivering exceptional resistance to wear, fatigue, and corrosion. The **034105701B** is engineered to fit seamlessly within the connecting rod journals of select VW and Audi inline-four and inline-six engines, including those found in models such as the VW Golf, Jetta, Passat, Audi A3, A4, and TT, as well as performance-oriented turbocharged and naturally aspirated applications. Its advanced design incorporates a carefully balanced oil film thickness, allowing for smooth operation under high loads, extreme temperatures, and prolonged engine stress, whether in daily commuting or high-performance driving scenarios.

This bearing is particularly well-suited for engines utilizing the **EA111, EA888, EA211, or EA897** architectures, where precision and longevity are critical to maintaining peak engine efficiency. The **034105701B** features a **bimetallic construction**, combining a robust steel backing with a soft, oil-impregnated bronze or aluminum-tin overlay, which enhances oil retention and reduces friction key factors in extending engine life and preventing catastrophic failure. Its tight manufacturing tolerances ensure a perfect fit within the connecting rod, minimizing clearance and preventing excessive oil consumption or metal-to-metal contact. Whether replacing a worn-out bearing in a high-mileage vehicle or upgrading an engine for enhanced performance, this bearing provides the reliability and structural integrity required to withstand the rigors of modern automotive engineering.

For technicians and enthusiasts alike, the **034105701B** represents a critical component in maintaining engine health, particularly in turbocharged applications where increased stress on the crankshaft and connecting rods demands superior bearing materials. Its compatibility with **Audi s Quattro and VW s DSG transmissions**, as well as its suitability for both gasoline and diesel engines (where applicable), underscores its versatility across a broad spectrum of automotive platforms. When installed correctly, this bearing contributes to smoother power delivery, reduced noise, and improved fuel efficiency, making it an indispensable part of any engine rebuild or maintenance project. Always sourced from trusted OEM suppliers or high-quality aftermarket brands, the **034105701B** ensures that your Audi or Volkswagen engine operates with the same level of precision and performance as it did when it left the factory.

**Pros and Cons of Buying Volkswagen Part Number 034105701B4OZ (Connecting Rod Bearing for Audi/VW)**

1. **OEM Quality** This part is an original equipment manufacturer (OEM) component, meaning it meets Volkswagen s strict engineering standards for durability and performance. OEM parts are designed to match the original specifications of the engine, reducing the risk of premature failure or compatibility issues.

2. **Reliability and Longevity** Connecting rod bearings are critical components that support the reciprocating motion of the pistons. A high-quality OEM bearing like this one is built to withstand the stresses of high RPMs, heavy loads, and extreme temperatures, potentially extending the engine s lifespan if installed correctly.

3. **Compatibility** The part is explicitly listed for Audi and Volkswagen engines, ensuring it fits seamlessly without modification. This reduces the risk of misalignment or improper sizing, which could lead to engine damage.

4. **Warranty Coverage** Purchasing from an authorized dealer or a reputable supplier often includes a warranty, providing peace of mind in case of defects or premature failure. This is particularly valuable for high-stakes components like bearings.

5. **Performance Consistency** OEM bearings are manufactured to consistent tolerances, ensuring smooth operation and minimizing friction-related wear. This contributes to better fuel efficiency and reduced engine noise compared to aftermarket alternatives that may not meet the same standards.

6. **Ease of Installation** Since it is an OEM part, it is designed to work with standard tools and procedures, making the replacement process more straightforward for mechanics with experience in VW/Audi engines.

7. **Resale Value** If you are restoring or selling a vehicle, using OEM parts can enhance its perceived value, as buyers often prefer vehicles with original or high-quality replacement components.

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1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price reflects the brand reputation, quality control, and warranty backing. For budget-conscious buyers, this can be a major drawback, especially if the part is not critical to immediate functionality.

2. **Limited Availability** OEM parts may not be as widely stocked as aftermarket options, particularly for older or less common vehicle models. This could lead to longer wait times for delivery, delaying repairs or maintenance.

3. **Overkill for Minor Repairs** If the bearing failure is isolated to one component and the rest of the engine is in good condition, an OEM replacement might be unnecessary. In such cases, a high-quality aftermarket bearing could suffice at a fraction of the cost without compromising performance.

4. **Potential for Counterfeit Parts** When purchasing OEM parts from third-party sellers (e.g., online marketplaces), there is a risk of receiving counterfeit or refurbished parts that do not meet Volkswagen s standards. Always verify the seller s authenticity to avoid this issue.

5. **Environmental and Ethical Concerns** OEM parts often come from new manufacturing processes, which may have a higher environmental impact compared to recycled or remanufactured aftermarket parts. However, this is less of a practical concern for the buyer and more of a broader ethical consideration.

6. **Skill Dependency** While OEM parts are designed for ease of installation, replacing a connecting rod bearing requires mechanical expertise. Improper installation such as incorrect torque settings or misalignment can lead to catastrophic engine failure. If the buyer lacks experience, hiring a professional may further increase costs.

7. **Storage and Handling Risks** OEM bearings are precision components. If mishandled during shipping or storage (e.g., exposure to moisture, dust, or physical damage), they may become unusable. This risk is mitigated by purchasing from reputable suppliers but adds an extra layer of caution.

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The Volkswagen part number **034105701B4OZ** is an excellent choice for those prioritizing **reliability, longevity, and compatibility** in their Audi or VW engine. Its OEM status ensures it meets the manufacturer s exacting standards, making it ideal for serious restorers, high-mileage vehicles, or situations where engine performance and durability are critical. The trade-off is the **higher cost**, which may not be justified for minor or non-critical repairs where aftermarket alternatives could perform adequately.

For **budget-conscious buyers** or those repairing a vehicle with no immediate performance concerns, a **high-quality aftermarket bearing** (e.g., from brands like Fel-Pro, Mahle, or INA) could offer a cost-effective alternative without sacrificing too much in terms of quality. However, if the engine is a high-value or performance-oriented project, the investment in an OEM part is well justified.

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- You are restoring or maintaining a high-value Audi/VW engine.

- The engine is critical to the vehicle s performance or resale value.

- You have access to an authorized dealer or a trusted supplier to ensure authenticity.

- You are prepared to pay the premium for peace of mind and longevity.

- The repair is for a non-critical component or a lower-mileage vehicle.

- You are working with a tight budget and can verify the aftermarket part s quality (e.g., from reputable brands with good reviews).

- You are confident in your mechanical skills or have a trusted mechanic to perform the installation.

**Final Note:** Always pair the purchase with proper installation by a qualified mechanic, as connecting rod bearings are critical components whose improper handling can lead to severe engine damage. Additionally, consult your vehicle s service manual or a specialist to confirm the part s compatibility with your specific engine model.

Details:

Brand: Volkwagen. Condition: New Other.

part #: 034105701b4oz price

• $49.99

specifications pistonrinro:

• for makes: Audi
• brand: Volkwagen
• mpn: 034105701b4oz
• part type: Bearing Rod

seller pistonrinro:

• rating: 99.9%
• # reviews: 1455
• city: Pulaski, Wisconsin

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general pistonrinro:

• Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
• condition: New other see details

shipping pistonrinro:

• carrier: USPS
• class: Standard
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• cost: $0.00
• transit: 5-11 Days
• type: Fixed

offer pistonrinro:

• sold: 0
• quantity: 1
• availability: In Stock
• started: April 3, 2026
• options: Ship-to-home