Thermostat Housing for Mercruiser Big Block V8 (78985A1, OSCO MC553BB)

Thermostat Housing for Mercruiser Big Block V8 (78985A1, OSCO MC553BB)

Sale price  $881.00 Regular price  $1,358.00
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Thermostat Housing for Mercruiser Big Block V8 (78985A1, OSCO MC553BB)

Thermostat Housing for Mercruiser Big Block V8 (78985A1, OSCO MC553BB)

Sale price  $881.00 Regular price  $1,358.00

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Includes: - Thermostat Housing

Fits Models: - Mercruiser Big Block V8

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - Common engine sizes include 7.4L (454 CID) and 8.1L (496 CID) V8 engines

Description: This thermostat housing is designed for Mercruiser Big Block V8 engines, ensuring optimal engine cooling performance. It is a direct replacement for part numbers 78985A1 and OSCO MC553BB, providing a reliable fit for your marine engine.

Features: - Durable construction for long-lasting use - Direct replacement for easy installation - Compatible with Mercruiser Big Block V8 engines - Ensures efficient engine cooling - Designed to meet or exceed OEM specifications

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