# 8M0228409 Mercury MerCruiser Thermostat | Genuine Quicksilver OEM Part

Part No: 8M0228409

Superseded from: 804540

2 Stroke Carb25 (2 CYL.) \[0N018456 THRU 0N055504\] - Belgium

30 (2 CYL.) \[0N001875 THRU 0N055504\] - Belgium

4 Stroke

2HP - 0R318095 and Below - Engine Numbers \[0R131842 & Up\]

2HP - 0R448033 and Up - Engine Numbers \[0R131842 & Up\]

2HP - 0R448033 and Up - Engine Numbers \[0R131842 & Up\]

2HP - 0R318096 Thru 0R448032 - Engine Numbers \[0R131842 & Up\]

2.5HP - 0R318096 Thru 0R448032 - Engine Numbers \[0R131842 & Up\]

2.5HP - 0R318095 and Below - Engine Numbers \[0R131842 & Up\]

2.5HP - 0R448033 and Up - Engine Numbers \[0R131842 & Up\]

2.5HP - 0R448033 and Up - Engine Numbers \[0R131842 & Up\]

3.5HP - 0R448033 and Up - Engine Numbers \[0R131842 & Up\]

3.5HP - 0R448033 and Up - Engine Numbers \[0R131842 & Up\]

3.5HP - 0R318096 Thru 0R448032 - Engine Numbers \[0R131842 & Up\]

3.5HP - 0R318095 and Below - Engine Numbers \[0R131842 & Up\]

3.5HP - 0R448033 and Up - Engine Numbers \[0R568285 & Up\]

3.5HP - 0R318096 Thru 0R448032 - Engine Numbers \[0R568285 & Up\]

3.5HP - 0R318095 and Below - Engine Numbers \[0R568285 & Up\]

3.5HP - 0R448033 and Up - Engine Numbers \[0R568285 & Up\]

4HP - \[0R000001 THRU 0R067089\] - USA

4HP - \[0R411838 & Up\] - USA

4HP - \[0P073456 THRU 0P400999\] - Belgium

4HP - \[0P401000 THRU 0R411837\] - Belgium

4HP - \[0R067090 THRU 0R411837\] - USA

5HP - \[0P073456 THRU 0P400999\] - Belgium

5HP - \[0P401000 THRU 0R411837\] - Belgium

5HP - \[0R067090 THRU 0R411837\] - USA

5HP - \[0R411838 & Up\] - USA

5HP - \[0R000001 THRU 0R067089\] - USA

5HP - \[0R560794 & Up\] - International

6HP - \[0P401000 THRU 0R411837\] - Belgium

6HP - \[0P073456 THRU 0P400999\] - Belgium

6HP - \[0R411838 & Up\] - USA

6HP - \[0R067090 THRU 0R411837\] - USA

6HP - \[0R000001 THRU 0R067089\] - USA

## Details

- **Price:** 75.24 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 75.24 AUD | In stock |

## Images

- 8M0228409 Mercury MerCruiser Thermostat | Genuine Quicksilver OEM Part

---

> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/8m0228409-mercury-mercruiser-thermostat-genuine-quicksilver-oem-part)
> Updated: 2026-05-17