# 807400A1 Mercruiser 807400A1 V8 Big Block 7.4L & 8.2 Heat Exchanger Replacement

Mercruiser 807400A1 V8 Big Block 7.4L & 8.2 Heat Exchanger Replacement

Replaces Mercruiser part no. 807400A1

Used on Mercruiser engine:

Various GM V8 Big Block 7.4L & 8.2L engines.

This is a non OEM part MEC 807400-A1

## Details

- **Price:** 1988.0 AUD
- **Vendor:** Mr Cool
- **Tags:** Sawley’s AAM Aftermarket – Cooling Systems Mr Cool | Marine Heat Exchangers & Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1988.00 AUD | In stock |

## Images

- 807400A1 Mercruiser 807400A1 V8 Big Block 7.4L & 8.2 Heat Exchanger Replacement
- 807400A1 Mercruiser 807400A1 V8 Big Block 7.4L & 8.2 Heat Exchanger Replacement
- 807400A1 Mercruiser 807400A1 V8 Big Block 7.4L & 8.2 Heat Exchanger Replacement
- 807400A1 Mercruiser 807400A1 V8 Big Block 7.4L & 8.2 Heat Exchanger Replacement
- 807400A1 Mercruiser 807400A1 V8 Big Block 7.4L & 8.2 Heat Exchanger Replacement
- 807400A1 Mercruiser 807400A1 V8 Big Block 7.4L & 8.2 Heat Exchanger Replacement
- 807400A1 Mercruiser 807400A1 V8 Big Block 7.4L & 8.2 Heat Exchanger Replacement
- 807400A1 Mercruiser 807400A1 V8 Big Block 7.4L & 8.2 Heat Exchanger Replacement

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/807400a1-mercruiser-807400a1-v8-big-block-7-4l-8-2-heat-exchanger-replacement)
> Updated: 2026-06-23