Genuine 1179900578 Vacuum Hose Plug

Overview of Genuine Vacuum Hose Plug for Mercedes-Benz 500SEC and 500SEL

The Genuine Vacuum Hose Plug, part number 1179900578, is designed specifically for Mercedes-Benz 500SEC and 500SEL models. This essential emission control component helps maintain proper vacuum system integrity by securely sealing unused vacuum ports.

• Compatible with Mercedes-Benz 500SEC and 500SEL models
• Part number 1179900578 ensures exact OEM fitment
• Designed for emission control system vacuum hose sealing
• Durable construction for reliable long-term use
• Prevents vacuum leaks that can affect engine performance

Product Details and Application

This vacuum hose plug is a genuine Mercedes-Benz part engineered to meet factory specifications. It is used to cap off vacuum lines in the emission control system, preventing air leaks that could lead to engine inefficiency or emission failures. The plug fits precisely into designated vacuum ports on the 500SEC and 500SEL models, ensuring a secure and airtight seal. Using the correct part number 1179900578 guarantees compatibility and maintains the integrity of the vehicle’s emission system.

Common Uses and Issues Addressed

• Sealing unused vacuum ports in emission control systems
• Preventing vacuum leaks that cause rough idling or poor fuel economy
• Maintaining proper operation of vacuum-operated components
• Reducing the risk of emission test failures due to leaks
• Protecting vacuum lines from dirt and moisture intrusion

Installation Notes and Tips

Installation of the Genuine vacuum hose plug is straightforward. Ensure the vacuum port is clean and free of debris before inserting the plug. Press the plug firmly into place to achieve a tight seal. It is recommended to inspect vacuum hoses and plugs periodically for wear or damage, especially on older Mercedes-Benz 500SEC and 500SEL vehicles. Replacement with part number 1179900578 should be done if any signs of cracking or leakage are present.

Quality Assurance and Warranty

As a genuine Mercedes-Benz part, the vacuum hose plug meets strict OEM quality standards for fit, form, and function. This ensures reliable performance within the emission control system of the 500SEC and 500SEL models. While specific warranty details may vary, genuine parts typically come with manufacturer-backed coverage to protect against defects in materials and workmanship.