most commonly 2" × 1" (51 × 25 mm) and 2" × 6" (51 × 152 mm)
the inside of the housing can become scored or warped from debris and heat
Install the new thermostat and seal in the correct orientation
33770 OMC Stern Drive 250 4-Stroke 1973–1990 908013
and Alpha One stern drives manufactured from 1970 to 1990 (serial numbers 2491586 to 0D469858)
Fuel Pump Assembly – Fits Mercury/Mariner 30-60HP 4-Stroke Outboard (Replaces 8M0118177, 8M0141827) 14HP most commonly 2" × 1"Product Details This is a direct replacement Fuel Pump Assembly for Mercury Mariner 30 60HP 4 Stroke Outboard engines. It is designed to fit 30HP (3 cylinder) and 40 60HP (4 cylinder) EFI models manufactured from 2002 to the present, ensuring reliable fuel delivery for your engine. This assembly is a direct interchange for Mercury part numbers 8M0118177, 8M0141827, 899106T01, 892874T01, 881862T08, 881862T, and Sierra 18 8866. Engineered for a direct