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GENUINE MERCURY REPLACEMENT PART
SEAL Oil WATER PUMP BASE
Part no. 31507
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Superseded by: 79884
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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?
Prevents oil leaks and water intrusion around rotating shafts. Milky gear oil or drips mean seal replacement time.
- Brand
- Mercury Marine
- Product group
- Impellers & Water Pumps
- Part number
- 31507
- Paket adedi
- 3.0
- Tehlike kodu
- 0.0
- Sınıf
- 26.0
- Mercury durumu
- SS
KNOW THE PART BETTER
Make the choice clear.
Open the water pump group in the illustrated catalog and inspect the impeller in place; look-alike revisions (impeller only / full pump kit) are told apart by part code.
Explore inside the engineHave this ready when asking for a quote
Serial number, the current part code and a photo of the pump housing if available.
Used on these engines
- 225-S — GEAR HOUSING ASSEMBLY COMPLETEPos. 25 · qty 1 · go to diagram →
- 470 — GEAR HOUSING ASSEMBLY COMPLETEPos. 25 · qty 1 · go to diagram →