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Four Seasons 35857 A/C Clutch Cycle Switch
Temperature Switch for A/C Clutch Cycling
Four Seasons 35857 is a system-mounted temperature switch for A/C clutch cycling applications. It uses a preset activation control with a 12-volt, 2-terminal open-blade connector design to help regulate compressor operation in dealer air and factory air systems.
Built with a metal body and metal color finish, this Four Seasons Temperature Switch line part is specified to meet or exceed OEM requirements. The cap tube measures 16 in. (406.4 mm), with an on temperature of 36 and an off temperature of 24 for controlled cycling performance.
Key Features
- Part number: 35857
- Four Seasons Temperature Switch line
- A/C clutch cycle switch / temperature switch
- Preset activation control
- 12-volt electrical design
- 2-terminal open blade connector
- System mount location
- Metal construction
- Cap tube length: 16 in. (406.4 mm)
- Temperature on: 36; temperature off: 24
- Meets or exceeds OEM requirements
Detailed Description
Four Seasons 35857 is a temperature switch used in A/C clutch cycling systems to manage compressor engagement based on temperature thresholds. It is a direct-fit style component for vehicles equipped with dealer air or factory air systems, including Ford Taurus, Ford Ranger, Ford Bronco II, Mercury Sable, and Honda Civic applications listed in the fitment data. This part cross-references UAC SW3004C for the same application.
The Four Seasons Temperature Switch product line focuses on replacement switches with application-specific calibration and OE-style electrical connections. For buyers searching for a Ford Ranger A/C clutch cycle switch, Ford Taurus temperature switch, or Honda Civic temperature switch, part number 35857 provides the specified cycling range and system-mount configuration needed for service replacement.
What It Helps Solve
- Compressor short-cycling caused by a worn temperature switch
- A/C clutch engagement issues tied to incorrect temperature control
- Intermittent cooling performance in dealer air systems
- Temperature-based compressor control faults in system-mounted switch locations
- Replacement needs for aging Ford and Mercury HVAC components
Installation Notes and Tips
- Verify the connector style, terminal count, and cap tube length before installation.
- Confirm the vehicle uses a system-mounted temperature switch with the listed cycling range.
- Match the application to the exact year, make, and model shown in the fitment data.
- Inspect the HVAC circuit and related wiring before replacing the switch.
- Use the vehicle service information for proper routing and placement of the cap tube.
Quality Assurance
Four Seasons 35857 is specified to meet or exceed OEM requirements for the listed applications. It is engineered as a replacement temperature switch for service work on compatible Ford, Mercury, and Honda models, including Ford Taurus, Ford Ranger, and Mercury Cougar applications.
| Brand | Four Seasons |
|---|---|
| Part Number | 35857 |
| Position | Temperature Switch, N/A |
| Activation Control | Preset |
| Cap Tube Lgth IN | 16 |
| Cap Tube Lgth MM | 406.4 |
| Color | Metal |
| Connector Shape | Open Blade |
| Description | Switch-Temp /System Mount |
| Material | Metal |
| Meets / Exceeds OEM? | YES |
| Mnt Sys Loc | System Mount |
| Number of Terminals | 2 |
| Style | Cycling |
| Temperature Off | 24 |
| Temperature On | 36 |
| Type | Temperature |
| Voltage | 12 |
| Weather Pack? | No |
This part fits 128 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1995 | Ford | Taurus | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1994 | Ford | Taurus | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1993 | Ford | Taurus | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1992 | Ford | Taurus | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1991 | Ford | Taurus | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1990 | Ford | Taurus | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1989 | Ford | Taurus | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1988 | Ford | Bronco II | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1988 | Ford | Ranger | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1988 | Ford | Taurus | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1987 | Ford | Bronco II | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1987 | Ford | Ranger | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1987 | Ford | Taurus | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1987 | Mercury | Sable | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1986 | Ford | Bronco II | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1986 | Ford | Cougar | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1986 | Ford | Ranger | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1986 | Ford | Taurus | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1986 | Mercury | Cougar | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1986 | Mercury | Grand Marquis | Base | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1986 | Mercury | Grand Marquis | LS | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1986 | Mercury | Marquis | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1986 | Mercury | Sable | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1985 | Ford | Bronco II | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1985 | Ford | Cougar | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1985 | Ford | Ranger | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1985 | Ford | Thunderbird | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1985 | Honda | Civic | Base | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1985 | Honda | Civic | DX | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1985 | Honda | Civic | 1500 S | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1985 | Honda | Civic | CRX | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1985 | Honda | Civic | CRX HF | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1985 | Honda | Civic | CRX Si | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1985 | Mercury | Cougar | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1985 | Mercury | Grand Marquis | Base | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1985 | Mercury | Grand Marquis | LS | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1985 | Mercury | Marquis | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1984 | Ford | Bronco II | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1984 | Ford | Ranger | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1984 | Ford | Thunderbird | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1984 | Honda | Civic | Base | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1984 | Honda | Civic | DX | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1984 | Honda | Civic | 1500 S | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1984 | Honda | Civic | CRX | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1984 | Honda | Civic | CRX 1.5 | N/A | A/C Clutch Cycle Switch (Temperature Switch); Temperature Switch |
| 1984 | Mercury | Cougar | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1984 | Mercury | Grand Marquis | Base | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1984 | Mercury | Grand Marquis | LS | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1984 | Mercury | Marquis | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1983 | Ford | Thunderbird | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1983 | Mercury | Cougar | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1983 | Mercury | Grand Marquis | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1983 | Mercury | Grand Marquis | Base | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1983 | Mercury | Grand Marquis | LS | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1983 | Mercury | Marquis | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1982 | Ford | Bronco | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1982 | Ford | F-100 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1982 | Ford | F-150 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1982 | Ford | F-250 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1982 | Ford | F-350 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1982 | Ford | Thunderbird | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1982 | Mercury | Cougar | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1982 | Mercury | Grand Marquis | Base | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1982 | Mercury | Marquis | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1981 | Ford | Bronco | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1981 | Ford | F-100 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1981 | Ford | F-150 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1981 | Ford | F-250 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1981 | Ford | F-350 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1981 | Ford | Thunderbird | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1981 | Mercury | Cougar | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1981 | Mercury | Grand Marquis | Base | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1981 | Mercury | Marquis | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1980 | Ford | Bronco | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1980 | Ford | F-100 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1980 | Ford | F-150 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1980 | Ford | F-250 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1980 | Ford | F-350 | N/A | Temperature Switch; Dealer Air; w/ Hi-Lo Vent; Temperature Switch | |
| 1980 | Ford | Thunderbird | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1980 | Mercury | Cougar | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1980 | Mercury | Grand Marquis | Base | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1980 | Mercury | Marquis | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1979 | Ford | Bronco | N/A | Temperature Switch; w/ Hi-Lo Vent; Temperature Switch | |
| 1979 | Ford | E-100 Econoline | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1979 | Ford | E-100 Econoline Club Wagon | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1979 | Ford | E-150 Econoline | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1979 | Ford | E-150 Econoline Club Wagon | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1979 | Ford | E-250 Econoline | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1979 | Ford | E-250 Econoline Club Wagon | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1979 | Ford | E-350 Econoline | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1979 | Ford | E-350 Econoline Club Wagon | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1979 | Ford | F-100 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1979 | Ford | F-150 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1979 | Ford | F-250 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1979 | Ford | F-350 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1979 | Mercury | Grand Marquis | Base | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch |
| 1979 | Mercury | Marquis | N/A | Temperature Switch for Dealer Air - A/C Clutch Cycle Switch; Temperature Switch | |
| 1978 | Ford | Bronco | N/A | Temperature Switch; w/ Hi-Lo Vent; Temperature Switch | |
| 1978 | Ford | E-100 Econoline | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1978 | Ford | E-100 Econoline Club Wagon | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1978 | Ford | E-150 Econoline | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1978 | Ford | E-150 Econoline Club Wagon | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1978 | Ford | E-250 Econoline | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1978 | Ford | E-250 Econoline Club Wagon | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1978 | Ford | E-350 Econoline | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1978 | Ford | E-350 Econoline Club Wagon | N/A | Temperature Switch; Dealer Air; Rear Unit; Temperature Switch | |
| 1978 | Ford | F-100 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1978 | Ford | F-150 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1978 | Ford | F-250 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1978 | Ford | F-350 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1977 | Ford | F-100 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1977 | Ford | F-150 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1977 | Ford | F-250 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1977 | Ford | F-350 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1976 | Ford | F-100 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1976 | Ford | F-150 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1976 | Ford | F-250 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1976 | Ford | F-350 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1975 | Ford | F-100 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1975 | Ford | F-150 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1975 | Ford | F-250 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1975 | Ford | F-350 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1974 | Ford | F-100 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1974 | Ford | F-250 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1974 | Ford | F-350 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1973 | Ford | F-100 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1973 | Ford | F-250 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch | |
| 1973 | Ford | F-350 | N/A | Temperature switch with factory air, with hi-lo vent.; Temperature Switch |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.