Set includes one low pressure pump and high pressure pump.
Replaces Mercruiser high pressure 861156A1 and low pressure 861155A3
The high pressure pump does not have a threaded outlet small end. This is the pump used in the ‘cool fuel’ system.
The low pressure pump has a threaded outlet small end and is used in the fuel line.
Fuel Pressure Regulator for MerCruiser Mercury 350 MAg MPI V8 Fuel Pressure Regulator 861126A 1 861126A1
1998 MERCURY MARINE Fuel Pump 4.3L 262
2000 MERCURY MARINE Fuel Pump 5.0L 305
2000 MERCURY MARINE Fuel Pump 5.7L 350
Fits with MCM/MIE 4.3L/V6 and 5.0L/V8 Gen+ and some 350 ci carburetors.
Meet or exceed OEM performance and durability
Drop in replacement design
Improved internals like bushing, turbine impeller and Japan armature electric motor for better
performance and durability
Advanced pressure relief valve to insure the correct PSI