Four Seasons Harness Connector for 1996-2019 Chevrolet/GMC 6.0L 6.6L (Astro, C4500 Kodiak, C5500 Kodiak, C6500 Kodiak) 37251
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The Four Seasons Vacuum Open Bypass Heater Valve (part number 74855) is a direct-fit replacement for 1996-2006 Chevrolet and GMC vehicles with engines.
Features:
Specifications:
| Description | Vacuum Open Bypass Heater Valve |
| Material | Plastic |
| Number of Connectors | 2 Connectors |
| Opening B IN | 0.625 |
| Opening B MM | 15.88 |
| Opening C IN | 0.625 |
| Opening C MM | 15.88 |
| Opening IN | 0.625 |
| Operation Type | Vacuum |
| Style | Bypass |
| Type | Heater Valves |
Fits: 1996-2006 Chevrolet and GMC models including Astro, C4500 Kodiak, C5500 Kodiak, C6500 Kodiak, C7500 Kodiak, C8500, C4500 Topkick, C5500 Topkick and more. Confirm your year, make, model, and engine before ordering.
Interchanges With: NAPA Temp 6601376, Compressor Works 801803, General Motors 15070012, General Motors 19352078, NAPA Temp H77594, Autopart International CWK801803, Carquest 74855, Pro Source 74855 and 5 more