JT2631 Aftermarket Johnson & Towers Fuel Cooler | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Johnson & Towers Fuel Cooler - Replacement Part Number: JT2631

Fuel cooler for Johnson & Towers marinised diesel installations.

⚙️ Key Features

• Marine-grade shell-and-tube fuel cooler

• Designed as a direct replacement for the listed reference numbers

• Helps maintain stable operating temperature under sustained marine load

• Marine connection sizes and mounting points must match the original assembly

• Suitable for professional marine cooling-system service and replacement

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• JT2631 (Johnson & Towers reference)

• 2631 (short-form reference)

OEM / Related Numbers:

• JT2631

• 2631

• MRCJT2631

Aftermarket / Verified Equivalents:

• Mr Cool: MRCJT2631

• Lenco: JT2631 replacement

🚤 Compatibility

Commonly used on:

• Marine-grade shell-and-tube fuel cooler systems

Typically suits:

• Engine models:

• Johnson & Towers marine diesel installations originally fitted with JT2631

• Construction: copper-nickel shell-and-tube fuel cooler

🔌 Function

The fuel cooler removes heat from the fuel circuit through a seawater-cooled tube stack.

Common signs of failure:

• Fuel temperature rises and performance falls under load

• Hard hot starting or unstable fuel pressure

• Fuel or seawater leaks around the cooler

• Fuel sheen appears at the exhaust outlet

• Corrosion, restriction or loss of seawater flow

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging