1. Exhaust & Emission Parts To Buy
  2. sku: 21559889788352892
  3. REIN SX-N909

REIN SX-N909 Benz Vacuum Hose Emission Control Dt 4.3L V8

fits model: S430. make: Mercedes. year: 2000–2006.

Sx-n909 Rein Vacuum Hose For 2000-2006 Mercedes-benz S430 4.3l V8 Emission Control Dt

( Brand: Rein ), ( Manufacturer Part Number: SX-N909 ), ( Ipn: C647 61-49 ), ( Placement On Vehicle: Emission Control Vacuum System ), ( Compatible Make: Mercedes-benz ), ( Compatible Year: 2006 2005 2004 2003 2002 2001 2000 ), ( Core Charge: Free No Core Charge ), ( Type: Vacuum Hose ), ( Universal Fitment: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Rein Vacuum Hose )

Review REIN Vacuum Hose Mercedes benz 4.3l V8 Emission Control Dt fits S430 2000–2006

The **REIN SX-N909 Vacuum Hose** is a meticulously engineered, high-performance replacement part designed specifically for the **2000 2006 Mercedes-Benz S430 (4.3L V8)** models, ensuring seamless compatibility with the vehicle s emission control and engine management systems. Crafted from **durable, heat-resistant, and ozone-resistant synthetic rubber**, this vacuum hose is built to withstand the demanding conditions of high-performance driving, extreme temperatures, and prolonged exposure to engine fluids, oils, and fuel vapors all while maintaining optimal flexibility and structural integrity. The hose features a **reinforced braided design** that prevents kinking, cracking, or premature degradation, which is critical for maintaining accurate vacuum levels in the **EGR (Exhaust Gas Recirculation), PCV (Positive Crankcase Ventilation), and intake manifold systems**. This precision-engineered component is meticulously calibrated to match the original equipment manufacturer s (OEM) specifications, ensuring a perfect fit with the **M117 4.3L V8 engine s vacuum ports**, including the **EGR cooler, intake manifold, and turbocharger (where applicable)**. The SX-N909 is a **direct replacement** for the OEM vacuum hoses, including those associated with the **emission control systems**, such as the **EGR valve, PCV system, and intake runners**, eliminating the risk of leaks, vacuum loss, or improper sealing that can lead to **rough idle, reduced engine efficiency, or even check engine light (CEL) codes**. Whether installed as part of a routine maintenance procedure or a performance upgrade, this hose guarantees **reliable operation, extended longevity, and peace of mind**, allowing the S430 s powerful V8 to perform at its peak while adhering to strict emissions regulations. Built to REIN s rigorous quality standards, the SX-N909 is a **drop-in solution** that restores factory performance, reduces the likelihood of vacuum-related failures, and contributes to the overall reliability of the vehicle s emission control and engine management systems.

### Pros and Cons of Buying a Rein SX-N909 Vacuum Hose for a 2000 2006 Mercedes-Benz S430 (4.3L V8 with Emission Control and Diesel Particulate Filter)

#### **Pros:**

1. **Compatibility and Fit:** The Rein SX-N909 is specifically designed for the 4.3L V8 engine in your S430, ensuring a proper fit without modifications. This reduces the risk of leaks or improper installation, which can be common with aftermarket parts that don t match factory specifications.

2. **Improved Performance:** The SX-N909 is a high-performance vacuum hose designed to handle higher vacuum demands, which can enhance throttle response, especially in high-performance applications or when paired with modifications like a turbocharger or supercharger. For your S430, this can translate to better engine breathing and smoother power delivery, particularly under load.

3. **Durability:** Rein hoses are known for their high-quality materials, including reinforced rubber and braided construction. This makes them more resistant to cracking, kinking, or collapsing under vacuum pressure compared to standard OEM hoses, which can degrade over time or under stress.

4. **Ease of Installation:** The SX-N909 is a direct replacement for the stock vacuum hoses in your S430, meaning it should install similarly to the original parts. Rein provides clear installation instructions, and the hose is typically pre-cut to the correct lengths, simplifying the process for DIYers.

5. **Compatibility with Modifications:** If you ve made or plan to make modifications like a cold air intake, forced induction, or engine tuning, the SX-N909 can better handle the increased vacuum demands without failing. This is particularly useful for maintaining reliability in high-performance setups.

6. **Reduced Leaks:** The reinforced design minimizes the risk of vacuum leaks, which can cause rough idling, reduced power, or even check engine lights (e.g., P0171 or P0174 for lean conditions). A secure fit reduces the likelihood of these issues.

7. **Long-Term Reliability:** Rein hoses are built to last longer than many OEM alternatives, which can degrade due to ozone exposure, heat, or age. This can save you money in the long run by avoiding frequent replacements.

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#### **Cons:**

1. **Cost:** The Rein SX-N909 is more expensive than OEM vacuum hoses. While the price reflects the quality and performance benefits, it may be a significant upfront investment if you re replacing multiple hoses or if you re on a tight budget.

2. **Potential Overkill for Stock Applications:** If your S430 is running stock with no modifications, the SX-N909 may not offer noticeable performance improvements. The benefits are more apparent in high-performance or modified setups. For a daily driver with no tuning, the cost may not be justified.

3. **Installation Complexity:** While the SX-N909 is designed for easy installation, some users may still find it challenging if they re not familiar with working on Mercedes engines. The S430 s engine bay layout can be tight, and improper routing or clamping can lead to issues like kinking or interference with other components.

4. **Limited Availability:** Rein parts can sometimes be harder to find than OEM or more common aftermarket brands. If you need immediate replacement or have limited access to specialty retailers, this could be a drawback.

5. **Potential for Misapplication:** If the SX-N909 is not installed correctly such as being routed improperly or clamped too tightly it could fail prematurely or cause vacuum leaks. This underscores the importance of following installation guidelines carefully.

6. **No Direct Emissions Benefits:** The SX-N909 is not designed to improve emissions compliance (e.g., for a DPF or EGR system). If your S430 has emission-related issues, you may need additional modifications or diagnostics to address those separately.

7. **Warranty Considerations:** If your S430 is under warranty or you plan to sell it, installing aftermarket parts like the Rein hose could void certain warranties or complicate resale. Always check your warranty terms before making modifications.

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### **Ending Conclusion:**

The Rein SX-N909 vacuum hose is a high-quality, performance-oriented replacement for the stock hoses in your 2000 2006 Mercedes-Benz S430 (4.3L V8). It offers significant advantages in terms of durability, compatibility, and performance under load, making it an excellent choice for modified or high-performance applications. However, for a stock S430 with no modifications, the benefits may be minimal, and the cost could be seen as unnecessary.

If you re running a tuned engine, forced induction, or other performance modifications, the SX-N909 is a worthwhile investment to prevent hose failures and maintain reliable vacuum performance. For stock or lightly modified vehicles, you might consider weighing the cost against the potential benefits or opting for a more budget-friendly alternative.

### **Recommendation:** - **Buy the Rein SX-N909 if:**

- You ve made or plan to make performance modifications (e.g., turbo, supercharger, engine tuning).

- You want to upgrade from degraded OEM hoses or have experienced vacuum-related issues.

- You prioritize durability and reliability in high-vacuum applications.

- You re comfortable with the installation process and have access to the necessary tools.

- **Avoid or reconsider if:**

- Your S430 is running stock with no modifications, as the benefits may not justify the cost.

- You re on a tight budget and can find equally reliable alternatives at a lower price.

- You re unsure about installation or lack experience working on Mercedes engines.

- Your vehicle is under warranty, and you want to avoid potential complications.

For most modified S430 owners, the Rein SX-N909 is a solid upgrade that pays off in performance and longevity. For stock applications, it s worth evaluating whether the investment aligns with your goals. If you re unsure, consult with a Mercedes specialist or performance tuner to confirm compatibility with your specific setup.

Details:

Rein Vacuum Hose for 2000 - 2006 Mercedes-Benz S430 4.3L V8 Emission Control dt: Status: In Stock.

part #: sxn909 prices

  • $11.07-$12.77

specifications emissyste:

  • for models: S430
  • for makes: Mercedes
  • for years: 2000-2006
  • brand: Rein
  • mpn: Sx-n909
  • ipn: C647 61-49
  • placement on vehicle: Emission Control Vacuum System
  • compatible make: Mercedes-benz
  • compatible year: 2006 2005 2004 2003 2002 2001 2000
  • core charge: Free No Core Charge
  • type: Vacuum Hose
  • universal fitment: Direct Replacement
  • bundle description: 1 Pc Genuine Rein Vacuum Hose

general emissyste:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
  • condition: New

shipping emissyste:

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

returns emissyste:

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

offer emissyste:

  • started: April 22, 2026
  • sold: 0
  • availability: In Stock
  • quantity: 8
  • options: Ship-to-home

seller emissyste:

  • city: Indianapolis, Indiana
  • rating: 99.6%
  • # reviews: 648254

payments emissyste:

  • credit card: Visa
  • wallet: Apple-pay
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for models: s430, for makes: mercedes, for years: 2000-2006, placement on vehicle: emission control vacuum system, compatible make: mercedes-benz, compatible year: 2006 2005 2004 2003 2002 2001 2000, core charge: free no core charge, type: vacuum hose, universal fitment: direct replacement, bundle description: 1 pc genuine rein vacuum hose,
category: auto parts > car truck parts accessories > exhaust emission systems > exhaust emission parts, sku: 21559889788352892,
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