Upper Thermostat Housing | Barr MC-29-47442

Upper Thermostat Housing | Barr MC-29-47442

Thermostat housing fits various model Mercruiser big block marine engines.

• Includes bare upper thermostat housing only
• For Mercruiser 330, 340 & 454 Magnum models
• Proudly made in the USA
• Replaces Barr MC29-47442
• Replaces Mercury 8M0061068, 47442A1 & 47442
• Replaces Osco MC55-TBB