1. Engine Crankshafts Products
  2. sku: 19710303995490773
  3. FEBI BREATHER HOSE VALVE COVER TO AIR FILTER 34BMGFTM

FEBI BREATHER HOSE VALVE COVER TO AIR FILTER 34BMGFTM Crankcase

fits make: Mercedes. year: 1986–1991.

34bmgftm Febi Breather Hose - Valve Cover To Air Filter Crankcase Fits Mercedes 560sec 1986-1991

( Brand: Febi Breather Hose Valve Cover To Air Filter ), ( Manufacturer Part Number: 34BMGFTM ), ( Part Type: Crankcase Breather Hose ), ( Compatible Make/model: Mercedes 560sec ), ( Compatible Years: 1988 1986 1987 1989 1990 1991 88 86 87 89 90 91 ), ( Fitment Info: Breather Hose Valve Cover To Air Filter ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review FEBI BREATHER HOSE VALVE COVER TO AIR FILTER Crankcase Mercedes fits 560SEC 1986–1991

The **FEBi BILSTEIN 34BMGFTM Crankcase Breathing Hose Valve Cover Air Filter** is a meticulously engineered replacement component designed specifically for Mercedes-Benz models from the 1986 to 1991 generation, including the iconic **560 SEC (W126)**. This high-performance part serves as a critical component of the vehicle s crankcase ventilation system, ensuring proper airflow while preventing oil and moisture buildup in the engine bay. Crafted from durable, heat-resistant materials, the valve cover air filter features a robust construction that maintains optimal engine performance and longevity. Its precise fitment guarantees a secure seal, eliminating leaks and reducing the risk of contamination from external debris, which could otherwise compromise engine efficiency. The design incorporates a reliable valve mechanism that regulates airflow dynamically, adapting to varying engine conditions to minimize blow-by gases and maintain internal pressure balance. Ideal for both restoration projects and routine maintenance, this FEBi component adheres to strict quality standards, offering a seamless replacement for the original equipment, often prone to wear or failure over time. Whether restoring classic luxury or ensuring peak performance in a well-maintained vehicle, this valve cover air filter is an essential upgrade for Mercedes-Benz enthusiasts seeking reliability and precision engineering.

### **Pros and Cons of buying a Febi Breather Hose, Valve Cover, Air Filter, and Crankcase Parts Kit for a Mercedes 560 SEC (1986-1991)**

#### **Pros:**

1. **Compatibility and Fitment** This kit is specifically designed for the Mercedes-Benz 560 SEC (1986-1991) model, ensuring a proper fit for the breather hose, valve cover gasket, air filter housing, and crankcase ventilation components. Using OEM or high-quality aftermarket parts reduces the risk of leaks or improper sealing.

2. **Improved Engine Protection** A well-sealed valve cover and crankcase ventilation system prevents oil leaks, moisture buildup, and carbon buildup inside the engine. This helps maintain engine longevity and performance.

3. **Reduced Emissions and Noise** A properly functioning breather and air filter system ensures clean airflow, reducing carbon deposits and improving combustion efficiency. It also minimizes engine ticking or knocking noises caused by improper ventilation.

4. **Prevents Vacuum Leaks** Faulty breather hoses or valve cover gaskets can cause vacuum leaks, leading to rough idle, poor acceleration, and increased fuel consumption. Replacing these components restores proper engine function.

5. **Cost-Effective Maintenance** While individual parts may be expensive, buying a complete kit often provides better value than purchasing each component separately. It also simplifies installation, as all necessary parts are included.

6. **High-Quality Materials** Febi (a well-known aftermarket brand) uses durable materials that are designed to withstand the demands of a high-performance engine like the 560 SEC s M117 V8.

7. **Easier Installation** Since the kit includes all related components, the job becomes more straightforward, reducing the chance of forgetting a part or needing additional purchases.

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#### **Cons:**

1. **Potential for Counterfeit or Low-Quality Parts** While Febi is a reputable brand, there is a risk of purchasing counterfeit or substandard parts, especially if buying from untrusted sellers. Always verify the source and check for authenticity.

2. **Installation Complexity** The 560 SEC s engine bay is tight, and some components (like the valve cover) may require careful handling to avoid damaging surrounding parts. Inexperienced DIYers might struggle with proper alignment and sealing.

3. **Cost Compared to OEM** While Febi parts are high-quality, they may still be more expensive than genuine Mercedes-Benz OEM replacements. However, OEM parts can be difficult to source for older models like the 560 SEC.

4. **Additional Labor Time** If not replacing other related components (e.g., PCV valve, oil filter housing gasket), some issues (like persistent oil leaks) might persist, requiring further work.

5. **Compatibility with Modifications** If the engine has been modified (e.g., turbocharged, forced induction), some aftermarket parts may not be fully compatible, potentially leading to leaks or performance issues.

6. **Limited Availability of Specific Parts** While Febi offers a comprehensive kit, some individual components (e.g., rare gaskets) might be harder to find separately if the kit is not available in full.

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### **Conclusion:**

The **Febi breather hose, valve cover, air filter, and crankcase parts kit for the Mercedes 560 SEC (1986-1991)** is a **strong choice** for maintaining or restoring proper engine function. The benefits of improved sealing, reduced emissions, and long-term engine protection outweigh the minor drawbacks, provided the parts are genuine and installed correctly.

The main risks counterfeit parts and installation challenges can be mitigated by purchasing from a **reputable dealer** (such as a Mercedes specialist or an authorized Febi distributor) and following proper installation procedures. If unsure about DIY work, consulting a mechanic is advisable.

### **Recommendation:**

- **Buy from a trusted source** (e.g., a Mercedes parts specialist, RockAuto, or an authorized Febi dealer) to ensure authenticity.

- **Consider professional installation** if unfamiliar with engine bay work, especially for the valve cover and gasket replacement.

- **Check for additional related parts** (e.g., PCV valve, oil filter housing gasket) that may need replacement simultaneously for a complete solution.

- **Verify compatibility** if the engine has been modified, as some aftermarket parts may require adjustments.

**Final Verdict:** This kit is **worth the investment** for owners looking to maintain or restore their 560 SEC s engine health, provided proper care is taken in sourcing and installation.

Details:

Febi Crankcase Breather Hose fits Mercedes 560SEC 1986 - 1991 34BMGFTM: Brand: condition: New Detailed Applications Years: Vehicle: 1986 - 1991 Mercedes.

part #: 34bmgftm price

  • $28.30

specifications cranshafengin:

  • for makes: Mercedes
  • for years: 1986-1991
  • brand: Febi Breather Hose Valve Cover To Air Filter
  • mpn: 34bmgftm
  • part type: Crankcase Breather Hose
  • compatible make/model: Mercedes 560sec
  • compatible years: 1988 1986 1987 1989 1990 1991 88 86 87 89 90 91
  • fitment info: Breather Hose Valve Cover To Air Filter
  • manufacturer warranty: 12 Month Warranty
  • attention: Read Full Description To Confirm Fitment
  • cs-sku: 400

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  • started: April 7, 2026
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general cranshafengin:

  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
  • condition: New
for makes: mercedes, for years: 1986-1991, part type: crankcase breather hose, compatible make/model: mercedes 560sec, compatible years: 1988 1986 1987 1989 1990 1991 88 86 87 89 90 91, fitment info: breather hose valve cover to air filter, manufacturer warranty: 12 month warranty, attention: read full description to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 19710303995490773,
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