034 MOTORSPORT Pcv Hose Kit 034-101-308

( Brand: 034 Motorsport ), ( Manufacturer Part Number: 034-101-3108 ), ( Part Type: Hose )

Review 034 MOTORSPORT Motorsport034motorsport Pcv Hose Kit fits B9 S4

The **034 Motorsport 034-101-3108 PCV Hose Kit** is a meticulously engineered aftermarket solution designed specifically for BMW s **E90/E91/E92/E93 B9 (2008 2013) and E67/E68 S4 (2008 2013)** models, ensuring optimal crankcase ventilation while maintaining peak performance and longevity. Crafted from high-quality, durable materials, this kit replaces the factory PCV (Positive Crankcase Ventilation) system components with precision-machined, heat-resistant hoses and a reinforced PCV valve, eliminating common issues such as oil leaks, vacuum loss, and excessive crankcase pressure that can lead to oil consumption or valve cover gasket failure. The kit includes a **high-flow PCV valve** that efficiently routes blow-by gases back into the intake manifold, reducing emissions and preventing oil buildup in critical engine components. The **reinforced silicone PCV hose** is designed to withstand the harsh under-hood environment, resisting heat, oil, and vibration key factors that often degrade OEM hoses over time. This upgrade is particularly beneficial for high-performance applications, turbocharged engines, or vehicles subjected to aggressive driving conditions, as it helps maintain consistent engine vacuum and prevents carbon buildup in the intake system. Installation is straightforward, requiring minimal tools, and the kit s compatibility with both naturally aspirated and forced-induction B9/S4 engines makes it a versatile choice for enthusiasts seeking reliability and performance. By upgrading to the **034 Motorsport 034-101-3108 PCV Hose Kit**, owners can restore factory-like functionality, reduce maintenance concerns, and ensure their BMW s engine operates at its best delivering a seamless blend of durability and performance.

### **Pros and Cons of buying a 034 Motorsport 034-101-3108 (PCV Hose Kit for B9 S4)**

1. **Direct Fitment for B9 S4** This kit is specifically designed for the Volkswagen B9 S4 platform, ensuring compatibility without modifications. This reduces the risk of improper installation and potential leaks.

2. **High-Quality Materials** 034 Motorsport is known for using durable materials in their aftermarket parts, which can improve longevity compared to generic or low-quality alternatives.

3. **Improved Engine Breathing** A properly functioning PCV (Positive Crankcase Ventilation) system helps reduce crankcase pressure, preventing oil leaks and improving engine efficiency. A well-fitted hose kit ensures optimal airflow.

4. **Prevents Oil Leaks & Contamination** A failing PCV system can cause oil to enter the intake, leading to carbon buildup and reduced performance. This kit helps maintain a clean engine environment.

5. **Easy Installation** The kit typically comes with clear instructions and may include clamps or connectors, making it a straightforward DIY job for most mechanics.

6. **Supports Engine Reliability** A properly functioning PCV system contributes to long-term engine health by reducing blow-by gases and preventing sludge buildup.

7. **Brand Reputation** 034 Motorsport is a trusted name in Volkswagen performance and maintenance parts, often preferred over OEM or generic replacements.

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1. **Cost Compared to OEM** While not excessively expensive, this kit may be pricier than an original equipment (OEM) PCV hose, which could be a concern for budget-conscious buyers.

2. **Limited Customization** Unlike some performance-oriented PCV systems, this kit is primarily a functional replacement rather than an upgraded performance part. It won t significantly boost horsepower but ensures reliability.

3. **Potential for Counterfeit Products** As with any aftermarket part, there is a risk of purchasing a fake or low-quality imitation, especially if buying from untrusted sellers. Always verify the source.

4. **May Require Additional Maintenance** If the rest of the PCV system (e.g., valve, hoses, or connections) is worn, simply replacing the hoses may not fully resolve issues. A full system check may be needed.

5. **Installation Skill Dependency** While straightforward, improper installation (e.g., loose clamps, incorrect routing) can lead to leaks or system failure. Those unfamiliar with engine work may need professional help.

6. **Not a Performance Upgrade** This is a maintenance/replacement part, not a performance-enhancing kit. Expect no power gains only reliability improvements.

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The **034 Motorsport 034-101-3108 PCV Hose Kit** is a solid choice for Volkswagen B9 S4 owners looking to maintain or restore their engine s PCV system. It offers **direct fitment, durability, and peace of mind** against oil leaks and contamination. However, it is **not a performance upgrade** and may not justify the cost for those already running a well-maintained OEM system.

For most owners experiencing **PCV-related issues (oil leaks, excessive crankcase pressure, or carbon buildup)**, this kit is a **practical and reliable solution**. If budget is a concern, an OEM replacement could be considered, but the aftermarket option provides added confidence in quality.

- **Buy if:** You re experiencing PCV-related problems (e.g., oil leaks, rough idle, or carbon fouling) and want a **high-quality, direct-fit replacement** to prevent further engine issues.

- **Skip if:** Your PCV system is already functioning correctly, and you re looking for a performance upgrade rather than maintenance.

- **Verify source:** Purchase from **authorized dealers or reputable online retailers** (e.g., 034 Motorsport s official site, RockAuto, or trusted parts stores) to avoid counterfeit products.

- **Consider a full PCV system check:** If leaks persist after installation, inspect the **PCV valve, hoses, and connections** for wear or damage.

**Final Verdict:** A **worthwhile investment** for B9 S4 owners needing a reliable PCV solution, balancing cost and quality effectively.

Details:

It is designed to ventilate the engines positive crankcase pressure through breather hose into intake tract or charge air system. The PCV, or Positive Crankcase Ventilation system, on the EA839 is located bank 2 of engine The right side. The breather hose plays an integral role in this ventilation system, which uses two check valves to control the flow of crankcase pressure.

part #: 0341013108 prices

• $269.93-$493.75

specifications cranshafengin:

• for models: B9, S4
• brand: 034 Motorsport
• mpn: 034-101-3108
• part type: Hose

payments cranshafengin:

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

seller cranshafengin:

• rating: 100.0%
• city: Victorville, California
• # reviews: 507

offer cranshafengin:

• options: Ship-to-home
• started: April 26, 2026
• quantity: 1
• sold: 0
• availability: In Stock

general cranshafengin:

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

returns cranshafengin:

• policy: No Returns

shipping cranshafengin:

• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated
• carrier: USPS
• class: Standard
• transit: 4-10 Days

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