# 44446A2 Mercruiser 44446A2 7.4L Big Block Heat Exchanger (Rear Mount) Replacement

Mercruiser 44446A2 7.4L Big Block Heat Exchanger (Rear Mount) Replacement

Replaces Mercruiser part no. 44446A1, 44446A2, 44446A4, 44446A5, 44446A6

Suite Mercruiser engines:

7.4L GM V8 big block engines (1981-1997)

  

This is a non OEM part MEC 44446

## Details

- **Price:** 2189.0 AUD
- **Vendor:** Mr Cool
- **Tags:** Sawley’s AAM Aftermarket – Cooling Systems Mr Cool | Marine Heat Exchangers & Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2189.00 AUD | In stock |

## Images

- 44446A2 Mercruiser 44446A2 7.4L Big Block Heat Exchanger (Rear Mount) Replacement
- 44446A2 Mercruiser 44446A2 7.4L Big Block Heat Exchanger (Rear Mount) Replacement
- 44446A2 Mercruiser 44446A2 7.4L Big Block Heat Exchanger (Rear Mount) Replacement
- 44446A2 Mercruiser 44446A2 7.4L Big Block Heat Exchanger (Rear Mount) Replacement
- 44446A2 Mercruiser 44446A2 7.4L Big Block Heat Exchanger (Rear Mount) Replacement
- 44446A2 Mercruiser 44446A2 7.4L Big Block Heat Exchanger (Rear Mount) Replacement

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/44446a2-mercruiser-44446a2-7-4l-big-block-heat-exchanger-rear-mount-replacement)
> Updated: 2026-06-23