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| Detail | Value |
| Part Type | Engine Coolant Thermostat (197°F Opening Temperature) |
| Vintage Part | Yes (New Old Stock - NOS) |
| OEM / Interchange Number(s) | E6AZ-8578-B (Ford) |
| Note | Used on the early models of the 3.0L Vulcan V6 engine. |
| Year Range | Make | Model | Body & Trim | Engine Size (L / CID) |
| 1986-1987 | Ford | Taurus | All (Base, GL, LX) | 3.0L V6 (182) |
| 1986-1987 | Ford | Tempo | All | 3.0L V6 (182) |
| 1986-1987 | Mercury | Sable | All (GS, LS) | 3.0L V6 (182) |
| 1986-1987 | Mercury | Topaz | All | 3.0L V6 (182) |