Mercury – Water Pump Body | OEM Replacement for Force 90HP Outboards (1991–1994) | 803757T

Overview

Keep your cooling system running smooth with the Mercury Marine 803757T Water Pump Body, a dependable replacement built specifically for Force 90HP outboards (1991–1994). Made from high-quality, injection-molded material, this housing provides a precise, factory-grade fit and long-lasting durability in both saltwater and freshwater environments. When installed, it restores proper water flow and cooling performance — helping your motor stay reliable and protected on the water.

Key Features

• Purpose: Replaces the water pump body to restore proper water circulation and sealing.
• Construction: Built from injection-molded composite material for a tight, accurate fit.
• Performance: Maintains steady water pressure and efficient cooling flow.
• Durability: Marine-tested to resist cracking, corrosion, and wear over time.
• Ease of Use: OEM-quality design ensures quick installation with no modifications needed.

Engine & Boat Compatibility

• Force 90HP outboards (model years 1991–1994)

Performance & Real-World Benefits

The 803757T water pump body is designed to handle the constant pressure, heat, and vibration your cooling system faces every trip. Over time, original pump housings can warp or crack, causing leaks or weak water flow that leads to overheating. This OEM replacement restores the strength and precision of the factory setup, ensuring reliable water circulation and consistent cooling.

With its injection-molded design and corrosion-resistant materials, it’s built to stand up to the demands of the marine environment. Once installed, your engine will stay cooler, perform better, and last longer.

Why Choose Mercury OEM

The Mercury 803757T is a genuine factory part, designed to fit and perform exactly like the original. Generic replacements may not seal properly or can fail prematurely due to inferior materials.

Mercury’s OEM water pump housings are made to withstand the elements and meet factory specifications for flow, pressure, and durability. It’s the same part Mercury service technicians use — built to last and designed to protect your investment.

FAQ

Q1: What’s included?
This part includes the water pump body only, ready for installation.

Q2: Why replace the pump body?
Cracks or wear in the housing can cause leaks or reduced water pressure, leading to overheating.

Q3: What material is it made from?
It’s an injection-molded composite tested for strength and resistance to saltwater corrosion.

Q4: How difficult is installation?
It’s a direct-fit OEM part, meaning it bolts on easily with basic tools.

Q5: Why choose OEM?
OEM parts ensure exact fitment, long life, and proven cooling performance compared to aftermarket copies.