Fits GM small block 5.0 and 5.7-Liter V-8 engines 1983 thru 1995. Has provision for vent tube to carburetor.  Features: Fuel inlet is at 10 o'clock position Fuel outlet is at 9 o'clock position Note: This is always determined by looking at the bottom of the fuel pump with the rocker arm held at the 12 o'clock position.

Replaces: Mercury 8M0058164 | 861678A1 | 97401A8 | 97401A2 | 97401

For 1981-95 V8, 180-270 Hp GM & MIE engines.

also crosses with:

OMC 509404 Sierra: 18-7283 GLM: 77113 Indmar: S501003 Mallory: 9-35423