Gates 31409 Engine Cooling System Pressure Tester Adapter

Cooling System Tester Adapter for Asian Vehicles

The Gates 31409 radiator cap and cooling system tester adapter is built for use with a radiator cap/cooling system pressure tester when a specific component size is needed. It features a 31mm I.D. x 10mm deep cam-on design for the correct connection during pressure testing on a wide range of Honda, Acura, Toyota, Lexus, and related applications.

Use this Gates cooling system adapter when servicing vehicles such as the Honda Civic, Toyota Camry, and Acura MDX. The Gates 31409 helps technicians connect the tester to the proper cap or neck style for accurate cooling system diagnostics.

Key Features

• Engine cooling system pressure tester adapter for radiator cap testing
• 31mm I.D. x 10mm deep cam-on configuration
• Used with Gates radiator cap and cooling system testers
• Supports multiple component sizes for broader service coverage
• Cross-references Dorman - HELP 46818 for the same application

Product Details

The Gates Radiator Cap/Cooling System Tester Adapter line is made to work with a pressure tester setup so the technician can adapt to different radiator cap and cooling system component sizes. Part number 31409 is a direct-fit style adapter for testing procedures that require a 31mm internal diameter and 10mm depth cam-on profile. This part cross-references Dorman - HELP 46818 for the same application.

Compatible vehicle coverage includes many Honda, Acura, Toyota, Lexus, Subaru, Mazda, Mitsubishi, and Suzuki models. Common search terms for this part include radiator cap tester adapter for Honda Civic, cooling system pressure tester adapter for Toyota Camry, and Gates 31409 for Acura MDX applications.

Common Diagnostic Uses

• Radiator cap pressure testing
• Cooling system leak diagnosis
• Identifying cap seal or neck fitment issues
• Verifying tester connection on specific Asian vehicle applications
• Supporting service work on Honda, Toyota, Acura, and Lexus cooling systems

Installation Notes and Tips

Install the adapter only with the matching radiator cap and cooling system tester. Confirm the 31mm I.D. x 10mm deep cam-on profile matches the component being tested before pressurizing the system. For best results, verify the vehicle application against the fitment list before use, especially on Honda Accord, Toyota Corolla, and Lexus RX350 service jobs.

Quality Assurance

Gates manufactures this adapter as part of its radiator cap and cooling system tester adapter line for professional diagnostic use. Part number 31409 is built to support repeat cooling system testing across a broad range of listed applications.