Elring 521.240 Engine Variable Valve Timing (VVT) Adjuster Seal

Elring 521.240 VVT Adjuster Seal

Elring 521.240 is an engine variable valve timing (VVT) adjuster seal for Porsche applications. It is listed for select Porsche Cayenne and Porsche Panamera models, making it a direct-fit sealing component for the specified engine applications.

Key Features

• Engine VVT adjuster seal for sealing the variable valve timing assembly
• Elring part number 521.240
• OE cross-reference: 948 105 938 00
• Fits 2010-2019 Porsche Cayenne
• Fits 2010-2016 Porsche Panamera

Product Details

This Elring VVT adjuster seal is used in the engine sealing system to maintain proper sealing at the variable valve timing adjuster. For Porsche Cayenne and Porsche Panamera models in the listed years, the seal helps support the engine’s timing control system by replacing the original sealing component with the correct application-specific part. If you are sourcing Elring 521.240 for Porsche Cayenne or Porsche Panamera service work, this part number matches the listed fitment and OE reference.

This part cross-references OE number 948 105 938 00 for the same application.

What It Is Used For

• Oil seepage at the VVT adjuster area
• Sealing wear around the variable valve timing assembly
• Service replacement for a damaged or aged adjuster seal
• Restoring proper sealing during engine maintenance

Installation Notes

Verify engine code and OE number before installation. Clean the sealing surfaces thoroughly and inspect the VVT adjuster area for wear, scoring, or contamination before fitting the new seal. Confirm the seal is seated evenly and follow the vehicle service procedure for the Porsche Cayenne or Porsche Panamera application.

Quality Assurance

Elring is an established OE-focused sealing brand, and part 521.240 is cataloged to the listed Porsche applications with OE cross-reference 948 105 938 00.