866170A01 Aftermarket Mercruiser Gen 3 Low-Pressure Fuel Cooler Pump Kit | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement Gen III Cool Fuel Low-Pressure Pump Kit - Replaces Part Number: 866170A01

New aftermarket fuel-pump service kit replacing 866170A01. It is configured for 5.0L, 5.7L, 6.2L, 8.1L and 8.2L MPI engines using Gen III Cool Fuel. The exact engine model, serial range, fuel pressure and connection layout must match the original installation.

⚙️ Key Features

• Direct replacement for the 866170A01 service family

• Designed for MerCruiser Gen III Cool Fuel MPI engines

• 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 × Gen III low-pressure electric fuel pump - P/N 866170A01 family

• 1 × Pump inlet strainer - supplied where included

• 1 × Module O-ring/seal package - supplied according to kit manufacturer

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 866170A01 (MerCruiser low-pressure pump-kit reference)

OEM / Related Numbers:

• 866170A01K

Aftermarket / Verified Equivalents:

• Recmar: REC866170A01

• Aftermarket Gen III low-pressure pump kit

🚤 Compatibility

Commonly used on:

• MerCruiser Gen III Cool Fuel MPI engines

Typically suits:

• Engine models:

• 5.0L, 5.7L, 6.2L, 8.1L and 8.2L MPI engines using Gen III Cool Fuel

• HP / Output Range: Approximately 260HP - 425HP

• Engine / System Type: MerCruiser Gen III Cool Fuel MPI engines

• Year Range: Gen III Cool Fuel production; serial-dependent

• Serial / Pump Identification: Match P/N 866170A01 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