Use to remove and replace oil pressure sending units on 1987 through
current GM engines with dash gauges including 2.0, 2.3, 2.5, 2.8 and
3.0 L used in Chevy, Buick, Olds, Pontiac and Cadillac cars. Hex
opening is 1-3/16_. Turn with 1/2_ square drive tools or 15/16_ wrench.
Length: 3-1/4_.
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