GENUINE MERCURY REPLACEMENT PART
GASKET Thermostat Housing
Part no. 33918
US$ 2≈ 98.58 ₺ + VATincl. VAT (20%): ₺ 118.30
₺ equivalent is calculated at the current CBRT rate (2026-10-09); prices exclude VAT
Out of stockSuperseded by: 8M2021920
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The model name alone may not be enough; the same model uses different parts across serial ranges.
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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
- 33918
- Menşei
- US
- Paket adedi
- 1.0
- Tehlike kodu
- 0.0
- Sınıf
- 27.0
- Mercury durumu
- SS
- Paket ağırlığı
- .016 LBS (0.01 kg)
- Yükseklik
- .25 IN (0.6 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
- 3.0L MPI EC — Gasket Set Components Engine OverhaulPos. - · qty 1 · go to diagram →
- 3.0L GM 181 I/L4 — Gasket Set Components (27-810846A05) Engine OverhaulPos. - · qty 1 · go to diagram →
- 3.0L GM 181 I/L4 — Closed Cooling SystemPos. 20 · qty 1 · go to diagram →
- 3.0L MPI EC — Closed Cooling System Poppet Valve / Thermostat HousingPos. 25 · qty 1 · go to diagram →
- 3.0L GM 181 I/L4 — Closed Cooling SystemPos. 24 · qty 1 · go to diagram →