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Quicksilver 87290A4 Thermostat Housing Assembly for MerCruiser GM V6 V8 Engines

Manufacturer

Part Number

87290A 4
Sale Price

$490.30

1 left at this price

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 87290A4 Thermostat Housing Assembly is a genuine OEM replacement thermostat housing designed for MerCruiser sterndrive engines equipped with GM V6 and V8 powerplants. This upper thermostat housing mounts at the engine's cooling system outlet and features a threaded port on top to accept a Tee ball valve, which is a standard configuration on these MerCruiser applications.

Key Features:

  • Genuine Quicksilver / Mercury Marine OEM part — not aftermarket
  • Direct factory replacement for MerCruiser part number 87290A4
  • Compatible with GM V6 4.3L and V8 305/5.0L and 350/5.7L MerCruiser sterndrive engines
  • Covers a wide range of model years from 1982 through 1995
  • Threaded top port accommodates Tee ball valve (sold separately)
  • Built to Mercury Marine factory specifications for proper sealing and coolant flow

Cross-Reference Part Numbers:

  • Mercury / MerCruiser OEM: 87290A4
  • Sierra Marine: 18-1994
  • GLM Marine: 13230

This thermostat housing assembly is a critical component in the engine's raw-water cooling circuit. Replacing a cracked, corroded, or leaking housing with a genuine Quicksilver part ensures a precision fit, proper thermostat seating, and reliable engine temperature regulation for inboard and sterndrive marine applications.

Quick and low cost

Ordered on the 20th. Received on the 26th. Parts installed within half an hour of receiving them. No complaints and I'm very happy with the transaction. Would purchase from Autoplicity again.<br> Thanks!

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very quick and easy

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best site on the web for any automotive parts.

easy use

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