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GENUINE MERCURY REPLACEMENT PART
GASKET THERMOSTAT HOUSING - UPPER
Part no. 48818
ask for price
Superseded by: 488181
This part has been superseded — current part:
488181 → open current partCheck compatibility first.
The model name alone may not be enough; the same model uses different parts across serial ranges.
Verify by serial numberYour cart becomes a quote request for our sales team; no payment is taken.
What does this part do?
Seals two surfaces. Always fit new after disassembly and clean off all old residue.
- Brand
- Mercury Marine
- Product group
- Thermostats
- Part number
- 48818
- Menşei
- US
- Paket adedi
- 2.0
- Tehlike kodu
- 0.0
- Sınıf
- 27.0
- Mercury durumu
- SS
- Paket ağırlığı
- .008 LBS (0 kg)
- Yükseklik
- .05 IN (0.1 cm)
KNOW THE PART BETTER
Make the choice clear.
Thermostat rating (e.g. 60 °C / 71 °C) varies by engine; the wrong rating runs the engine cold or hot. It is replaced together with its gasket.
Explore inside the engineHave this ready when asking for a quote
Engine serial number and the rating/code on the old thermostat.
Used on these engines
- 330 GM 454 V-8 — Closed Cooling SystemPos. 5 · qty 1 · go to diagram →
- 230 MIE (4 BBL.) GM 305 V-8 — Closed Cooling SystemPos. 5 · qty 1 · go to diagram →
- 230 MIE (4 BBL.) GM 305 V-8 — CLOSED COOLING SYSTEMPos. 5 · qty 1 · go to diagram →
- 228 MIE (4 BBL.) GM 305 V-8 — THERMOSTAT HOUSINGPos. 10 · qty 1 · go to diagram →
- 228 MIE (4 BBL.) GM 305 V-8 — FRESH WATER COOLING KITPos. 13 · qty 1 · go to diagram →