Gates 31534 Radiator Cap

Safety Release Radiator Cap for OE Fitment

The Gates 31534 Safety Release Radiator Cap is a 16 psi cam-on mini cap built for select Subaru, Hyundai, Kia, Nissan, and other applications that use the specified filler neck dimensions. Its safety release lever helps vent steam through the overflow tube before the cap is removed, reducing the chance of accidental burns during service.

Key Features

• Gates Safety Release Radiator Cap, part number 31534
• 16 psi pressure rating with vented design
• Safety release lever for controlled steam release
• Cam-on attachment type for proper neck engagement
• Stainless steel cap finish in silver
• OE Exact comparison rating for direct replacement use
• Optional coolant recovery system support

Product Details

This Gates radiator cap is a Safety Release Mini Cap with a 1.71 in width, 1.32 in height, and 1.32 in cap depth. It is engineered for filler necks with a 1.71 in inside diameter and 1.7 in outside diameter, plus a 0.63 in filler neck height. The 16 psi pressure rating and SAE pressure range of 14-18 psi align with many OE-style cooling system requirements. For shoppers searching for a radiator cap for Subaru WRX, Subaru Outback, Hyundai Elantra, or Kia Rio, the Gates 31534 provides a direct-fit service part for listed applications.

This part cross-references Dorman - HELP 46066 and Four Seasons 33065 for the same application.

Common Cooling System Issues It Can Address

• Loss of system pressure from a worn or weak radiator cap
• Coolant overflow caused by a cap that no longer seals correctly
• Steam release concerns during hot cooling system service
• Fitment problems when replacing a cam-on mini cap with the wrong neck size
• Cooling system service needs on vehicles such as Subaru Legacy, Kia Sorento, and Hyundai Accent

Installation Notes and Tips

Verify filler neck dimensions, attachment style, and pressure rating before installation. Check hood clearance prior to installing this cap on listed applications where clearance notes apply. Confirm the cooling system uses a 16 psi cap and inspect the radiator neck and sealing surfaces for damage before replacement. This cap is listed for vehicles including Subaru Forester, Subaru Impreza, Hyundai Sonata, Kia Optima, and Nissan Pathfinder across the model years shown in the fitment data.

Quality Assurance

Gates 31534 is listed as an OE Exact replacement radiator cap for the specified applications. The stainless steel construction, vented design, and safety release lever support consistent service replacement for compatible cooling systems.