OEM MerCruiser Fuel Pump & Cooler Kit  861156A1 861156A03 8M0125852(s/n 0M30000 and up)

Fuel pump/cooler kit 8M0125852 is use on V-6 and V-8 MerCruiser EFI stern drive and inboard engines (305, 350, 377, 454, and 503 CID engines with s/n OL000000 through OM299999 and 496 models and Black Scorpion models with s/n OL00000 and up) made by General Motors. Kit includes fuel pump, cooling heat sink, connectors and wiring harness. Used in specific applications to help cool fuel for more efficient delivery and combustion. See your owner's manual or service manual for specific application and instructions. 

• Replacement fuel pump and cooler for MerCruiser # 861156A 1 which is NLA

• Specifically for small block and V6 motors with Serial #'s 0M30000 and up

• This fuel cooler does not have the blue drain plug