Gates 31433 Engine Cooling System Pressure Tester Adapter

Cooling System Adapter for Pressure Testing

The Gates 31433 radiator cap and cooling system tester adapter is used with a radiator cap/cooling system tester to service multiple component sizes. This 62.7mm O.D. threaded cooling system adapter helps create the proper connection for pressure testing on a wide range of Volkswagen, Audi, and Porsche applications.

• Cooling system adapter for use with a radiator cap and cooling system tester
• 62.7mm O.D. threaded design
• Supports pressure testing across multiple component sizes
• Direct fitment coverage for many Volkswagen, Audi, and Porsche models
• Gates part number 31433 for service and tool matching

Product Details

Built as an engine cooling system pressure tester adapter, this Gates 31433 component helps technicians connect the tester to the correct radiator cap or cooling system opening during diagnostic work. It is listed for broad coverage on Volkswagen Tiguan, Golf, GTI, Jetta, Passat, and Beetle applications, along with Audi A3, A4, A6, Q5, Q7, TT, and related models, plus Porsche Cayenne and Panamera. This part cross-references Dorman - HELP 46829 and Anchor 3036 for the same application.

Gates radiator cap/cooling system tester adapters are part of a service line focused on matching the tester to different cooling system component sizes. For technicians working on VW and Audi cooling system diagnostics, the 31433 adapter provides the threaded interface needed to perform pressure checks on the listed vehicles.

Common Diagnostic Uses

• Locating external coolant leaks
• Checking radiator cap and cooling system sealing
• Verifying pressure retention in the cooling system
• Diagnosing overheating concerns tied to coolant loss
• Supporting service work on Volkswagen Tiguan, Audi A4, and Porsche Cayenne cooling systems

Installation Notes

Use this adapter only with a compatible radiator cap and cooling system tester. Confirm the 62.7mm O.D. threaded specification and vehicle application before testing. For best results, match the adapter to the exact cooling system component being serviced and follow the tester manufacturer’s pressure-testing procedure.

Quality Assurance

Gates manufactures service tools and adapters for cooling system diagnostics, and part 31433 is cataloged for specific OE-style applications across Volkswagen, Audi, and Porsche platforms. Verify fitment by year, make, and model before use.