
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | Four Seasons | 
| Part Number | 74603 | 
| Part Description | Hvac Heater Control Valve | 
| Bypass | No | 
| Hose Connector Quantity | 2 Connectors | 
| Material | Steel | 
| O.E. Replacement | Yes | 
| Opening B IN | 0.625 | 
| Opening B MM | 15.875 | 
| Opening IN | 0.625 | 
| Opening MM | 15.875 | 
| Operation Type | Vacuum | 
| Style | Non-Bypass | 
| UPC | 096361746039 | 
| Year Make Model | Trim | Engine | 
|---|---|---|
| 1973-1974 Buick Century | All Trims | 8 Cyl 7.5L | 
| 1973-1975 Buick Century | All Trims | 8 Cyl 5.7L | 
| 1975 Buick Century | All Trims | 6 Cyl 3.8L | 
| 1979-1980 Buick Century | All Trims | 8 Cyl 4.9L | 
| 1980-1981 Buick Century | All Trims | 8 Cyl 4.3L | 
| 1971-1975 Buick Electra | All Trims | 8 Cyl 7.5L | 
| 1980 Buick Electra | All Trims | 8 Cyl 4.9L | 
| 1971-1975 Buick Estate Wagon | All Trims | 8 Cyl 7.5L | 
| 1973 Buick Estate Wagon | All Trims | 8 Cyl 5.7L | 
| 1980 Buick Estate Wagon | All Trims | 8 Cyl 4.9L |