Product Description
Genuine Four Seasons 74602 Heater Control Valve (NORS)
Restore the luxurious comfort of your classic Oldsmobile or Cadillac with this genuine Four Seasons 74602 Heater Control Valve. This is a vintage New Old Replacement Stock (NORS) part. It uses vacuum to precisely control the flow of hot coolant to the heater core.
This part is designed for the Heater Hose position on specific 1971-1979 General Motors vehicles, particularly full-size Oldsmobile and Cadillac models.
Key Features:
- Part Number: 74602 (Four Seasons)
- Interchange / Replaces OEM: GM 409156, Delco 15-5026
- Position: Heater Hose (Inlet)
- Specs: Vacuum Operated / Metal Body / 5/8" Ports
- Origin: Made in USA (Vintage Stock)
- Condition: NORS (New Old Replacement Stock)
Verified Vehicle Fitment:
| Make | Model | Year | Engine | Notes |
| Oldsmobile | 98 / Toronado / Delta 88 | 1971-1979 | All | Heater Control Valve |
| Cadillac | Eldorado | 1971-1978 | All | Heater Control Valve |
Fits Years:
1971 1972 1973 1974 1975 1976 1977 1978 1979
Unbeatable Prices & Expectations
We scour the country to find the best deals on NOS and NORS parts so we can pass the savings on to you. Our prices are often significantly lower than major competitors.
Please Note: All vehicle fitment data is manually researched from vintage catalogs. While we strive for accuracy, historical data can sometimes be imperfect. Additionally, this part may fit other vehicle makes, models, and years not explicitly listed. We strongly encourage you to perform your own due diligence by comparing our provided photos and specifications to your original part to ensure proper fitment before purchasing.
