# MRCAAO2503 Heat Exchanger Pressure Cap 13 psi

Heat exchanger Pressure Cap 20 PSI

-   Engineered to increase pressure in cooling system which then increases coolant boiling point; helps prevent boil over
-   Chrome cap with grooved edges for grip; pressure rating printed on cap in metric and standard psi

Replaces Mercruiser and Volvo Penta Heat Exchangers.

This is a MR Cool Product SKU: MRCAAO2513

## Details

- **Price:** 30.0 AUD
- **Vendor:** Mr Cool
- **Tags:** Sawley’s AAM Aftermarket – Cooling Systems Mr Cool | Marine Heat Exchangers & Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 30.00 AUD | In stock |

## Images

- MRCAAO2503 Heat Exchanger Pressure Cap 13 psi

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/mrcaao2503-heat-exchanger-pressure-cap-13-psi)
> Updated: 2026-06-23