EFI MPI Electric Fuel Pump V8 305 350 454 502 for MerCruiser 861156A 1

New Marine Electric fuel pump for MerCruiser MPI EFI Applications

Replaces:

• Mercury Mercruiser Quicksilver: 861156A1 / 861156A 1

• Sierra Marine: 18-35433
• Mallory: 9-35433
• Pro Torque: PH500-M014

• Fits Mercruiser V6 and V8 305/350/377/454/502 EFI. 

Small End Non Threaded. (replaces pump in cool fuel assembly.

Please note fuel pumps from carburated engines look the same externally.  Fuel pumps from fuel injected engines will not interchange with fuel pumps for carbureted engines.  Carbureted fuel pumps are threaded on the small end, high pressure fuel pumps from fuel injected engines are not threaded on the small end. This pump only fits in the 'cool fuel' assembly. 

861156A 1 is for high pressure fuel injected engines (this listing)

861155A 3 is for low pressure carbureted engines