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