
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | Four Seasons |
| Part Number | 74691 |
| Part Description | Hvac Heater Control Valve |
| Hose Connector Quantity | 2 Connectors |
| Material | Steel |
| O.E. Replacement | Yes |
| Opening B IN | 0.750 |
| Opening B MM | 19.050 |
| Opening C IN | 0.3125 |
| Opening C MM | 7.9375 |
| Opening IN | 0.625 |
| Opening MM | 15.875 |
| Operation Type | Vacuum |
| Style | Non-Bypass |
| UPC | 096361746916 |
| Year Make Model | Trim | Engine |
|---|---|---|
| 1977 Buick Century | All Trims | 8 Cyl 6.6L |
| 1977-1979 Buick Century | All Trims | 8 Cyl 5.7L |
| 1981 Buick Century | All Trims | 8 Cyl 5.7L |
| 1977-1979 Buick Electra | All Trims | 8 Cyl 6.6L |
| 1977-1982 Buick Electra | All Trims | 8 Cyl 5.7L |
| 1981-1989 Buick Electra | All Trims | 8 Cyl 5.0L |
| 1985 Buick Electra | All Trims | 6 Cyl 3.0L |
| 1985 Buick Electra | All Trims | 8 Cyl 5.7L |
| 1985-1990 Buick Electra | All Trims | 6 Cyl 3.8L |
| 1977-1979 Buick Estate Wagon | All Trims | 8 Cyl 6.6L |