Product Description

New Carter-style fuel pump for MerCruiser and OMC marine 4 cylinder and 6 cylinder gas engines. Replaces Mercury MerCruiser part number 86234A4, 86234A05, and OMC part numbers 985603, 985602, and 982240. Flange ID 60032. Sierra part number 18-7278. Comes with new gasket.

Engine application chart:

Model (HP)Beginning Serial No.Ending Serial No.
120/1401666601& UP
16544715664884834
1655178959& UP
20024537692712072
47042087306916778
48556853946218036
488 (mount w/ filter bowl facing up)61702976916778

Many fuel pumps are used on similar engines. In order to identify the correct fuel pump for your application, you must check the “clock” position of the inlet, outlet, and separator fitting (where applicable) in relation to the rocker arm. View the product photos to make sure this fuel pump is correct. The orientation is looking at the bottom of the fuel pump (with filter holder) and with the rocker arm sticking up/out.

If this fuel pump doesn’t fit your engine, view my other fuel pumps.

About Sierra
Sierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.

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