Gates 31511 Radiator Cap

Gates 31511 Safety Release Radiator Cap

The Gates 31511 Safety Release Radiator Cap is built for vehicles that use a 13 psi cooling system and a cam-on filler neck connection. Its safety release lever helps vent steam through the overflow tube before the cap is fully removed, adding a practical layer of protection during service.

Compatible With Ford Bronco, Ford F-150, Jeep Cherokee, Honda Civic, Toyota Pickup, and other listed applications, this Gates radiator cap is a direct-fit cooling system service part for many classic and late-1970s through 1990s vehicles.

Key Features

• Safety release lever helps reduce the risk of accidental burns during removal
• 13 psi pressure rating with SAE pressure range of 12-16 psi
• Cam-on attachment type for listed filler neck applications
• Stainless steel cap finish with silver color
• Quick pressure release design for controlled venting
• Optional coolant recovery system compatibility
• Fits listed applications with 1.61 in / 41 mm filler neck inside diameter and 2.13 in / 54 mm outside diameter

Product Details

Gates Safety Release Radiator Caps are engineered for cooling systems that require a 13 psi cap and a lever-style release function. Part number 31511 uses a stainless steel construction and cam-on attachment to secure to the correct filler neck dimensions. The cap is listed across a wide range of Ford, Jeep, Honda, Toyota, Nissan, Mazda, BMW, Porsche, Mercedes-Benz, and other applications, including many Ford Bronco, Ford F-150, and Jeep Cherokee models. If you are replacing a worn or leaking radiator cap on a vehicle that calls for this pressure rating, Gates 31511 provides the specified fit and release style for the application.

This part cross-references Dorman - HELP 46014 and Four Seasons 33061 for the same application.

What It Helps Address

• Coolant loss caused by a weak or failing radiator cap seal
• Steam release concerns during radiator cap removal
• Pressure control issues in a 13 psi cooling system
• Overflow routing concerns on systems using an overflow tube
• Fitment problems when replacing an incorrect cap style or neck size

Installation Notes and Tips

Verify the filler neck dimensions, pressure rating, and attachment style before installation. This Gates 31511 cap is listed for cam-on necks with the specified inside and outside diameters, and some applications note use with an optional coolant recovery system. Always install on a cool engine and release pressure slowly using the lever before removing the cap fully.

Quality Assurance

Gates manufactures this Safety Release Radiator Cap as a specified cooling system service component for the listed vehicle applications. Part number 31511 is built to the stated pressure rating and fitment dimensions for direct replacement use.