Volvo Penta 855470 855485 Thermostat Housing V6 V8 AQ200 GM 4.3L 5.0L 5.7L 350 75hp Engine does not really matter

Engine does not really matter here as the Generation II gimbal housings were all the same

Crankshaft 456-6092A1

Generally MerCruiser GM V8 305 5

so if you are unsure

140 8055605 THRU 8062459 (MARINER)

Volvo Penta 855470 855485 Thermostat Housing V6 V8 AQ200 GM 4.3L 5.0L 5.7L 350 75hp Engine does not really matterPart Number(s) Included Volvo Penta 855485 855470 (stamped) Thermostat Housing Assembly Thermostat is used and may need to be replaced but isn't seized or anything. General Application Compatibility Not completed at this time and hopefully will be added in the future. If you have any questions on compatibility please contact us or check with an online parts manual. For the most part 1980's Volvo Penta GM V8 350 5. 7L 305 5. 0L & V6 4. 3L applications