MRCAAO2503 Aftermarket Heat Exchanger Pressure Cap 7 PSI | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Heat Exchanger Pressure Cap 7 PSI - Replacement Part Number: MRCAAO2503

Seven-PSI filler cap for compatible marine closed-cooling heat exchangers.

⚙️ Key Features

• Pressure-calibrated marine cooling-system cap

• 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:

• MRCAAO2503 (7 PSI version)

OEM / Related Numbers:

• MRCAAO2503

Aftermarket / Verified Equivalents:

• Mr Cool: MRCAAO2503

🚤 Compatibility

Commonly used on:

• Pressure-calibrated marine cooling-system cap systems

Typically suits:

• Engine models:

• MerCruiser and Volvo Penta heat exchangers requiring a 7 PSI pressure cap

• Pressure Rating: 7 PSI

• Cap Type: spring-loaded marine cooling-system cap

• Verify the pressure stamped on the cap before installation

🔌 Function

The cap seals the filler neck and regulates cooling-system pressure to raise the coolant boiling point.

Common signs of failure:

• Coolant boils over below normal temperature

• Cooling-system pressure does not hold

• Coolant leaks around the filler neck

• The cap seal is hard, split or distorted

• The wrong pressure rating damages hoses or seals

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging