NA004490 Aftermarket Perkins 6.354 Short Heat Exchanger 14-3/8 in | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Perkins 6.354 Short Heat Exchanger 14-3/8 in - Replacement Part Number: NA004490

Short-version heat exchanger for Perkins 6.354 marine diesel engines.

⚙️ Key Features

• Marine-grade shell-and-tube heat exchanger

• 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:

• NA004490 / NA004490CN (short-version reference)

OEM / Related Numbers:

• NA004490

• NA004490CN

• MRCNA004490CN

• NA001831 long-version counterpart

Aftermarket / Verified Equivalents:

• Mr Cool: MRCNA004490CN

🚤 Compatibility

Commonly used on:

• Marine-grade shell-and-tube heat exchanger systems

Typically suits:

• Engine models:

• Perkins 6.354 six-cylinder engines using the short exchanger

• Overall Length: 14-3/8 in

• Flange Diameter: 4-1/8 in

• Package Content: exchanger with mounting flange

🔌 Function

The heat exchanger keeps closed-loop coolant separate from seawater while transferring heat through the tube stack.

Common signs of failure:

• Engine or generator temperature rises above normal under load

• Coolant loss or seawater leakage around the exchanger

• Restricted seawater flow from scale, debris or damaged tubes

• Coolant contamination caused by an internal tube failure

• Corroded end covers, tube stack or sacrificial anode

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging