Gates 31463 Fuel Cap Tester Adapter

Fuel Cap Tester Adapter for System Diagnostics

The Gates 31463 Fuel Cap/System Tester Adapter is a purple, threaded adapter used with radiator cap testers for fuel cap and system testing. It is built for diagnostic work on a wide range of vehicles, including Subaru BRZ, Subaru Outback, Nissan Rogue, Toyota Avalon, and many other applications listed below.

Key Features

• Fuel cap tester adapter for use with radiator cap testers
• Threaded cam type for secure attachment
• Purple color for quick identification in the shop
• Gates part number 31463 for ordering and cross-reference use
• Direct fit coverage across many Subaru, Nissan, Toyota, Chevrolet, GMC, Acura, Lexus, and INFINITI applications

Product Details

Gates Fuel Cap/System Tester Adapter 31463 is designed for diagnostic testing where a threaded fuel cap adapter is required. The adapter supports service procedures on vehicles such as Subaru BRZ, Subaru Forester, Nissan Altima, Toyota Camry, and Chevrolet Silverado models listed in the fitment data. This part cross-references Motorad 12427S and Quality-Built 12427 for the same application.

Use this adapter when working with radiator cap testers to evaluate fuel cap and system sealing on supported vehicles. The threaded attachment type helps provide a stable connection during testing, and the purple finish makes the adapter easy to identify among other diagnostic tools.

What It Helps Diagnose

• Fuel cap sealing concerns
• Evaporative system test setup issues
• Threaded adapter mismatch during pressure testing
• Diagnostic delays caused by the wrong tester interface
• Service bay confusion when multiple adapters are in use

Installation Notes and Tips

Confirm the vehicle application before testing and verify that the adapter matches the threaded filler neck or fuel cap tester interface required for the job. The manufacturer notes this adapter is for use with radiator cap testers. For fitment-specific service, check the listed year, make, and model coverage before connecting the tester.

• Fits 2022-2025 Subaru BRZ, N/A
• Fits 2019-2024 Subaru Ascent, N/A
• Fits 2014-2018 Nissan Altima, N/A
• Fits 2012-2018 Toyota Avalon, N/A
• Fits 2014-2018 Chevrolet Impala, N/A

Quality Assurance

Gates is a recognized automotive parts brand with broad coverage in service and diagnostic components. Part number 31463 is cataloged for fuel cap/system tester adapter applications across 2012-2025 model years, with fitment spanning 467 vehicle applications.