21107993 Hose | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Exhaust-Thermostat Hose - Part Number: 21107993

Brand-new genuine Volvo Penta formed exhaust-thermostat hose used in catalyst-equipped gasoline-engine cooling systems. The hose connects one side of the port/starboard thermostat arrangement and is shaped to preserve the required coolant path around the exhaust hardware.

⚙️ Key Features

• Dedicated branch hose in the dual exhaust-thermostat system

• Port/starboard routing controlled by moulded shape

• Compatible with the original thermostat housing and clamps

• Designed for hot marine coolant service

• Hose only

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21107993 - Current OEM reference

OEM / Related Numbers:

• Volvo Penta 21107993

• VOE21107993

• Thermostat housings 40005486 / 40005487

• O-ring 21111308

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Dual exhaust-thermostat cooling systems on catalyst V8 engines

Typically suits:

• Engine / drive models:

• 5.0GiCE-JF

• 5.0GXiCE-JF

• 5.7GiCE-300-JF

• 5.7GXiCE-320-JF

• 5.7GiCE-300-MF

• 5.7GXiCE-320-MF

• Engine Type: Volvo Penta catalyst-equipped V8 marine gasoline engine

• Year / Generation: JF and MF catalyst generations

🔌 Function

Carries coolant through one branch of the dual exhaust-thermostat assembly to regulate exhaust-system temperature.

Common signs of failure:

• One exhaust bank running hotter

• Coolant seepage beneath a thermostat housing

• Hose splitting at a formed bend

• Restricted coolant flow

• Clamp imprint or hose-end deterioration

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging