Gates 31429 Engine Cooling System Pressure Tester Adapter

Radiator Cap Tester Adapter for Cooling Systems

The Gates 31429 is a radiator cap and cooling system tester adapter used to connect the tester to specific cap and system openings. It is built for truck applications with a 2 11/16 in. O.D. B size component, helping technicians verify pressure-related cooling system service points with the correct adapter interface.

• Attachment type: cap adapter and cooling system adapter
• Type: cap adapter and cooling system adapter
• Kit for truck 2 11/16 in. O.D. B size
• Used with the Gates Radiator Cap and Cooling System Tester
• Gates 31429 service adapter for cooling system pressure testing

Product Details

Gates Radiator Cap/Cooling System Tester Adapter line components are made to work with the Gates tester platform so technicians can address multiple component sizes during radiator cap and cooling system pressure checks. Part number 31429 is specified for truck applications with a 2 11/16 in. outside diameter B size, making it a direct service tool for shops handling cooling system diagnostics on vehicles such as Ford F-150 and Chevrolet Silverado service work where the correct tester interface matters. If you are sourcing Gates 31429 for cooling system testing, this adapter helps match the tester to the component size being evaluated.

This part cross-references Wix 46803 for the same application.

What It Helps Diagnose

• Pressure loss at the radiator cap interface
• Cooling system leaks found during pressure testing
• Incorrect tester fitment on B size truck components
• Service delays caused by using the wrong adapter size
• Repeat testing on Ford F-150 and Chevrolet Silverado cooling systems

Installation Notes and Tips

Use Gates 31429 with the matching Gates Radiator Cap and Cooling System Tester. Confirm the component size before testing, and verify that the adapter seats fully before applying pressure. For service on Ford F-150, Chevrolet Silverado, and similar truck cooling systems, matching the adapter to the cap or system opening is essential for accurate results.

Quality Assurance

Manufactured by Gates for use with its radiator cap and cooling system tester platform. Part number 31429 is identified for truck 2 11/16 in. O.D. B size service applications and is supported by listed interchange references for parts lookup and catalog matching.