# 879150A80 / 8M0181781 Mercruiser 879150A80 Zeus 3000 Horizontal Transmission Oil Cooler Replacement

Replacement **Horizontal Tandem Cooler** for Mercruiser / Cummins Zeus 3000 Pod Drive transmissions 550 & 600HP engines.

Replaces Mercruiser part 879150A80 / 8M0181781 in Zeus 3000 drive transmissions. Used in conjunction with vertical cooler 879150A79.

Click Here to See the Zeus Transmission Cooler Guide.

This is a Mr Cool (USA) marine product MEC 879150A80.

## Details

- **Price:** 2800.0 AUD
- **Vendor:** Mr Cool
- **Tags:** Sawley’s AAM Aftermarket – Cooling Systems Mr Cool | Marine Heat Exchangers & Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2800.00 AUD | In stock |

## Images

- 879150A80 / 8M0181781 Mercruiser 879150A80 Zeus 3000 Horizontal Transmission Oil Cooler Replacement
- 879150A80 / 8M0181781 Mercruiser 879150A80 Zeus 3000 Horizontal Transmission Oil Cooler Replacement
- 879150A80 / 8M0181781 Mercruiser 879150A80 Zeus 3000 Horizontal Transmission Oil Cooler Replacement
- 879150A80 / 8M0181781 Mercruiser 879150A80 Zeus 3000 Horizontal Transmission Oil Cooler Replacement
- 879150A80 / 8M0181781 Mercruiser 879150A80 Zeus 3000 Horizontal Transmission Oil Cooler Replacement

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/879150a80-8m0181781-mercruiser-879150a80-zeus-3000-horizontal-transmission-oil-cooler-replacement)
> Updated: 2026-06-23