32-863611 Mercury MerCruiser Hose | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Seawater Pump to Power Steering Cooler Hose - Part Number: 32-863611

A genuine Quicksilver cooling-water hose for selected Mercury MerCruiser petrol sterndrive engines.

The hose carries raw cooling water from the belt-driven seawater pump to the power-steering cooler before the water continues through the engine cooling system. It is supplied for the factory hose routing used on standard, closed and drain-system configurations where 32-863611 is specified.

⚙️ Key Features

• Genuine Quicksilver OEM seawater hose
• Correct Mercury part number 32-863611
• Connects the seawater pump to the power-steering cooler
• Suitable for raw-water and closed-cooling inlet circuits
• Correct marine-grade construction for suction and discharge cooling-water service

🚤 Compatibility

Commonly used on

• MerCruiser belt-driven seawater-pump cooling systems
• Seawater-pump to power-steering-cooler plumbing

Typically suits

• Engine models:
• MerCruiser 4.3L MPI Alpha / Bravo - serial 0M300000 to 0M614999
• MerCruiser 4.3L MPI Alpha / Bravo - serial 0W668093 and corresponding later production
• MerCruiser 4.3L MPI standard cooling with Easy Drain
• MerCruiser 4.3L MPI standard cooling with single-point and three-point drain
• MerCruiser 5.0L MPI Alpha / Bravo - serial 0M600000 to 0W059999
• MerCruiser 5.0L MPI closed-cooling applications
• MerCruiser 350 MAG MPI Alpha / Bravo
• MerCruiser 350 MAG MPI standard and closed cooling
• MerCruiser 377 MAG MPI
• MerCruiser MX 6.2L MPI
• MerCruiser 6.2L MPI standard and closed-cooling installations using the 863611 hose
• Engine Type: MerCruiser GM V6 and small-block V8 petrol sterndrive
• System Type: Seawater pump to power-steering cooler hose
• Year Range: Approximately 2001 onward, dependent on engine serial number and cooling configuration

🔌 Function

The hose transfers seawater from the engine-mounted pump to the power-steering cooler, supporting both steering-fluid cooling and the engine's raw-water supply.

⚠️ Common Signs of Failure

• Water leaking from the hose or connection
• Engine overheating from reduced seawater flow
• Hose wall cracked, softened or swollen
• Hose kinked or internally delaminated
• Restricted power-steering cooler inlet flow

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 32-863611 current OEM service reference
• 863611 original Mercury base reference

OEM / Related Numbers

• 32-863611
• 863611
• 32863611
• 863656A1 related seawater-pump hose assembly
• 863656A2 related cooling-hose assembly

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

• Genuine Quicksilver part
• Brand new
• Supplied in original or equivalent packaging