Elring 780.440 Vacuum Pump Gasket

Elring 780.440 Vacuum Pump Gasket

Elring 780.440 is a vacuum pump gasket in O-ring form for emission control sealing applications. Built from FPM (fluoride rubber), it is sized for a precise seal with a 54 mm inner diameter, 59 mm outer diameter, and 2.5 mm thickness.

Compatible with select Audi Q7 and Porsche applications, this gasket supports reliable sealing where vacuum pump leakage can affect engine operation and emissions performance. The Elring 780.440 is also referenced by OE-style part numbers 06E 145 272 A and 999 701 505 40.

Key Features

• Vacuum pump gasket for emission control sealing systems
• O-ring shape for a direct sealing interface
• FPM (fluoride rubber) construction for resistance to heat and fluid exposure
• 54 mm inner diameter, 59 mm outer diameter, 2.5 mm thickness
• Elring part number 780.440 for accurate ordering and lookup
• Fits 2017-2019 Audi Q7, N/A
• Fits 2008-2019 Porsche 911, N/A
• Fits 2009-2016 Porsche Boxster, N/A
• Fits 2014-2016 Porsche Cayman, N/A
• Fits 2009-2012 Porsche Cayman, N/A

Detailed Description

This Elring vacuum pump gasket is engineered as an O-ring seal for vehicles that require a precise fit at the vacuum pump interface. The FPM material is selected for sealing stability in demanding engine environments, while the listed dimensions help match the gasket to the correct housing and pump design. For buyers searching for Elring 780.440, vacuum pump gasket replacement, or an Audi Q7 and Porsche 911 sealing solution, this part provides the dimensional and material details needed for confident selection.

This part cross-references OE-style numbers 06E 145 272 A and 999 701 505 40 for the same application. The Elring 780.440 is a practical choice when replacing a worn or flattened vacuum pump seal on Porsche 911, Boxster, or Cayman models, as well as select Audi Q7 vehicles.

Common Issues This Part Can Address

• Vacuum pump oil seepage at the sealing surface
• Loss of vacuum caused by a hardened or compressed gasket
• Air leakage at the pump-to-housing interface
• Emission control sealing concerns related to vacuum system integrity
• Repeat leaks after service when the original O-ring no longer seals properly

Installation Notes and Tips

Confirm the vacuum pump seal dimensions before installation and compare the old gasket to the listed 54 mm inner diameter, 59 mm outer diameter, and 2.5 mm thickness. Clean the sealing surfaces thoroughly, inspect the pump housing for scoring or debris, and install the gasket evenly to avoid twisting or pinching the O-ring. Verify vehicle application by model year before ordering, especially on Porsche 911, Boxster, and Cayman variants.

Quality Assurance

Elring is a recognized supplier of engine sealing components, and this gasket is manufactured to support accurate fitment and dependable sealing performance in the specified applications.