An oil pressure switch socket designed for 1" (2.5 cm) and 1-1/16" (27 mm) switches up to 2-5/8" (66.7 mm) long, this tool is compatible with 1-1/16" (27 mm) sending units found on 1991 and newer GM vehicles. It also fits 1987 and newer Chrysler vehicles equipped with combination light and gauge oil pressure switches. The socket can be operated using either a 3/8" (9.5 mm) drive or a 1-1/8" (28.6 mm) hex.

An oil pressure switch socket designed for 1" (2.5 cm) and 1-1/16" (27 mm) switches up to 2-5/8" (66.7 mm) long, this tool is compatible with 1-1/16" (27 mm) sending units found on 1991 and newer GM vehicles. It also fits 1987 and newer Chrysler vehicles equipped with combination light and gauge oil pressure switches. The socket can be operated using either a 3/8" (9.5 mm) drive or a 1-1/8" (28.6 mm) hex.