Raw Water Pump & Fuel Pump Kit For MerCruiser 454 & 502 # 46-807151A8, 861677T

Raw Water Pump & Fuel Pump Kit for MerCruiser

This combination kit includes a raw water pump and fuel pump assembly for MerCruiser 454 and 502 engines, with OEM cross-reference numbers 46-807151A8 and 861677T.

Overview

The raw water pump and fuel pump kit provides essential cooling and fuel delivery for MerCruiser 454 and 502 big-block marine engines. It delivers reliable seawater circulation and consistent fuel pressure to keep your engine running smoothly under load. Designed as a direct replacement kit for these specific engine models.

Built For Performance

• Includes both raw water pump and fuel pump in one convenient kit
• Raw water pump impeller designed for durable seawater operation
• Fuel pump delivers consistent pressure for 454 and 502 engines
• Replaces OEM part numbers 46-807151A8 and 861677T
• Corrosion-resistant materials for marine environment longevity
• Complete gasket and hardware kit included for installation

Fits These Machines

• for MerCruiser 454
• for MerCruiser 502

On-The-Job Use

• Used on MerCruiser big-block gasoline inboard engines for raw water cooling
• Ensures proper fuel delivery during high-speed operation and towing
• Replaces worn pumps to restore cooling system performance and prevent overheating
• Commonly installed during engine rebuilds or major service intervals on 454/502 models

Specs At A Glance

Good To Know

Q: Does this kit include the fuel pump as well as the raw water pump? A: Yes, this kit contains both the raw water pump and the fuel pump, along with necessary gaskets and hardware for a complete replacement.

Q: Will this fit MerCruiser 350 or other small-block engines? A: This kit is specifically designed for MerCruiser 454 and 502 big-block engines; it will not fit smaller displacement models without modification.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.