Genuine Four Seasons 35720 A/C Clutch Cycling Switch (NORS)
Restore the cooling precision of your classic GM vehicle with this genuine Four Seasons 35720 A/C Clutch Cycling Switch. This is a vintage New Old Replacement Stock (NORS) part. It is a system-mounted thermostat switch that cycles the compressor to prevent evaporator freezing.
This part is designed for the Evaporator Case (System Mount) position on specific 1976-1980 Chevrolet trucks and Corvettes, as well as select 1990s Cadillac models.
Key Features:
- Part Number: 35720 (Four Seasons)
- Interchange / Replaces OEM: GM 3037283, GM 15-1153
- Position: System Mounted (Capillary Tube Type)
- Specs: Cycle Off: 30.5°F / Cycle On: 44.5°F
- Origin: Made in USA (Vintage Stock)
- Condition: NORS (New Old Replacement Stock)
Verified Vehicle Fitment:
| Make |
Model |
Year |
Engine |
Notes |
| Chevrolet |
C10 / K10 Truck & Suburban |
1976-1979 |
All |
System Mounted Cycling Switch |
| Chevrolet |
Corvette |
1977-1980 |
V8 |
System Mounted Cycling Switch |
Fits Years:
1976 1977 1978 1979 1980
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.
