861156A04 Aftermarket Mercruiser Electric Fuel Pump & Cooler V6/V8 Engines | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement Electric High-Pressure Fuel Pump and Cooler Assembly - Replaces Part Number: 861156A04

New aftermarket fuel-pump service kit replacing 861156A04. It is configured for 4.3L V6, 5.0L and 5.7L V8 EFI/MPI engines whose Cool Fuel system specifies 861156A04. The exact engine model, serial range, fuel pressure and connection layout must match the original installation.

⚙️ Key Features

• Direct replacement for the 861156A04 service family

• Designed for MerCruiser EFI/MPI V6 and V8 Cool Fuel systems

• Includes pump and sealing components required by the service family

• Designed for leak-free marine fuel-module servicing

• Confirm the engine serial, pump pressure and port orientation before installation

🧰 Kit / Assembly Contents

• 1 × High-pressure electric fuel pump - supplied under the listed kit/assembly

• 1 × Water-cooled fuel-cooler body - supplied in the complete assembly

• 1 × Pump seal/O-ring set - supplied under the kit

• 1 × Fuel-line and mounting hardware set - contents vary by service-kit manufacturer

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 861156A04 (MerCruiser pump-and-cooler assembly reference)

OEM / Related Numbers:

• 861156A1

• 861156A03

Aftermarket / Verified Equivalents:

• Recmar: REC861156A04

• Aftermarket MerCruiser electric pump/cooler assembly

🚤 Compatibility

Commonly used on:

• MerCruiser EFI/MPI V6 and V8 Cool Fuel systems

Typically suits:

• Engine models:

• 4.3L V6

• 5.0L and 5.7L V8 EFI/MPI engines whose Cool Fuel system specifies 861156A04

• HP / Output Range: Approximately 190HP - 300HP

• Engine / System Type: MerCruiser EFI/MPI V6 and V8 Cool Fuel systems

• Year Range: Model- and serial-dependent

• Serial / Pump Identification: Match P/N 861156A04 to the model-specific parts diagram and verify pressure, electrical connector, inlet/outlet orientation and mounting before ordering.

🔌 Function

The service kit renews the pump, seals and supporting components required to restore fuel pressure and leak-free operation in the specified fuel module.

Common signs of failure:

• Low or unstable fuel pressure

• Fuel leakage from the module or pump seals

• Hard starting or engine stalling

• Pump noise or intermittent electrical operation

• Fuel starvation under acceleration or sustained load

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging