Elring 780.440 Vacuum Pump Gasket

Reliable Vacuum Pump Gasket for Porsche 911, Boxster, and Cayman

The Elring 780.440 vacuum pump gasket is engineered to provide a precise seal for emission control systems in select Porsche models. Designed with durable FPM (fluoride rubber) material, this gasket ensures consistent performance and longevity in demanding automotive environments.

• Inner diameter: 54 mm for accurate fitment
• Outer diameter: 59 mm to match OEM specifications
• Thickness: 2.5 mm for optimal sealing pressure
• O-ring shape designed for secure vacuum pump sealing
• Constructed from FPM (fluoride rubber) for chemical and temperature resistance

Technical Details and Material Benefits

This vacuum pump gasket from Elring is crafted from FPM, a fluoride rubber known for its excellent resistance to oils, fuels, and high temperatures commonly found in automotive emission systems. The O-ring shape with a 54 mm inner diameter and 59 mm outer diameter ensures a tight seal around the vacuum pump, preventing leaks that could affect engine performance. With a thickness of 2.5 mm, the gasket maintains proper compression and durability over time, making it suitable for Porsche 911, Boxster, and Cayman models requiring precise emission control components.

Compatible Porsche Models and Applications

This gasket is specifically compatible with the following Porsche vehicles:

• Porsche 911 vacuum pump gasket replacement
• Porsche Boxster emission control sealing
• Porsche Cayman vacuum pump sealing solution

It is designed to address common issues such as vacuum leaks, reduced pump efficiency, and emission system malfunctions related to gasket wear or failure.

Common Issues Addressed by This Gasket

• Vacuum pump leaks causing engine performance loss
• Emission control system failures due to gasket degradation
• Oil or fluid leaks around the vacuum pump area
• Reduced vacuum pressure affecting brake booster operation
• Premature gasket wear from exposure to heat and chemicals

Installation Notes and Tips

Ensure the mating surfaces are clean and free of debris before installing the Elring 780.440 gasket. Proper alignment of the O-ring is critical to avoid leaks. Avoid over-tightening the vacuum pump housing to maintain gasket integrity. It is recommended to inspect the vacuum pump and surrounding components for wear during replacement to ensure optimal system performance.

Quality Assurance and Warranty

Elring manufactures this vacuum pump gasket to meet strict OEM standards for fit and function. The use of FPM material provides reliable resistance to automotive fluids and temperature extremes. While specific warranty details are not provided, Elring products are generally backed by quality control processes to ensure durability and performance in Porsche 911, Boxster, and Cayman applications.