Gates OE Type Radiator Cap

The Gates 31547 is a threaded coolant bottle radiator cap designed for reliable performance. It is constructed of corrosion-resistant, heavy-gauge metal to ensure a long service life and accurate pressure control. The cap features a water-based stearate that improves load resistance and extends its life.

This radiator cap has a pressure rating of 15 psi, with an SAE pressure range of 14-18 psi. Its filler neck inside and outside diameters are both 2-5/32 inches (5.48 cm), and the shell diameter is 2-61/64 inches (7.51 cm). The cap depth and filler neck depth are 47/64 inches (1.87 cm).