Autobahn Autoworx Porsche 911 Carrera 964 & 993 1989-1998 Upper Intake Manifold Silicone Couplers

Part Number: AUT-964/993-003

Restore and upgrade the intake sealing system on your Porsche 911 Carrera with the Autobahn Autoworx Upper Intake Manifold Couplers. Designed for 964 and 993 chassis applications, these silicone couplers replace aging factory rubber components that commonly crack, harden, and cause vacuum or intake leaks over time.

Built from high-strength reinforced silicone, these couplers provide improved durability, heat resistance, and long-term reliability while maintaining OEM-style fitment for straightforward installation.

Vehicle Fitment

• 1989-1994 Porsche 911 Carrera (964)
• 1995-1998 Porsche 911 Carrera (993)

Replaces OEM Part Numbers

• 964 110 686 01
• 964 110 685 03

Features

• Direct replacement upper intake manifold couplers
• High-quality 4-ply reinforced silicone construction
• Improved resistance to heat, oil vapors, and engine bay aging
• Helps eliminate vacuum and intake leaks caused by OEM rubber failure
• Maintains proper intake system sealing and airflow
• OEM-style fitment for easy installation

Benefits

• Improved reliability over factory rubber couplers
• Helps maintain consistent engine performance
• Reduces risk of vacuum leaks and air leaks
• Longer service life under heat and pressure
• Clean upgraded engine bay appearance

Autobahn Autoworx Quality

Autobahn Autoworx hose kits come with a 5-Year Warranty. Coolant hoses are all 3-ply reinforced silicone, while boost hoses, breather hoses, and intake/inlet hoses are constructed from 4-ply reinforced silicone for maximum durability and performance.

Note

Trimming may be required for desired fitment.