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Four Seasons 35809 A/C Clutch Cycle Switch
| Brand | Four Seasons 35809 |
|---|---|
| Activation Control | Preset |
| Cap Tube Lgth IN | 8 |
| Cap Tube Lgth MM | 203.200 |
| 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 | 25 |
| Temperature On | 45 |
| Type | Temperature |
| Voltage | 12 |
| Weather Pack? | No |
| Product line | Temperature Switch |
| Fits | Chrysler, Dodge, and Plymouth · 41 vehicles |
OE direct replacement. Meets OEM specs for a straightforward swap.
Preset cycling switch. Automatically controls compressor cycling by temperature.
Metal construction. Durable body with an open-blade 2-terminal connector.
Cross-references DENSO Auto Parts 5020, FEL-PRO 35809 and Gates 22801 for the same application. See all 24.
Four Seasons 35809 Temperature Switch Overview
The Four Seasons Temperature Switch, part number 35809, is a preset A/C clutch cycle switch built for 12-volt HVAC systems. It uses a metal body, open blade connector, and 2-terminal layout to help control compressor cycling based on temperature thresholds.
Compatible with select Chrysler, Dodge, and Plymouth applications, including Chrysler Town & Country, Dodge Caravan, and Plymouth Voyager models from the mid-1980s, this switch is a direct-fit style service part for system-mounted temperature control.
Key Features
- Preset activation control for temperature-based A/C clutch cycling
- System mount design with 8 in. cap tube length
- Metal construction with metal color finish
- Open blade connector shape with 2 terminals
- 12-volt electrical specification
- Meets or exceeds OEM requirements
- Temperature off at 25 and temperature on at 45
Product Details
Four Seasons 35809 is a temperature switch in the Temperature Switch product line, made for HVAC systems that rely on cycling control to regulate compressor operation. The system-mount design and cap tube configuration support temperature sensing at the intended location, while the preset switching points help maintain consistent A/C clutch engagement and disengagement. This part cross-references DENSO Auto Parts 5020 for the same application.
Fits 1985-1987 Chrysler Town & Country, N/A; Fits 1985-1987 Dodge Caravan, N/A; Fits 1987 Dodge Grand Caravan, N/A; Fits 1987 Plymouth Grand Voyager, N/A; Fits 1985-1987 Plymouth Voyager, N/A; Fits 1985-1986 Dodge D100, N/A; Fits 1985-1986 Dodge D150, N/A; Fits 1985-1986 Dodge D250, N/A; Fits 1985-1986 Dodge D350, N/A; Fits 1985-1986 Dodge Ramcharger, N/A; Fits 1985-1986 Dodge W100, N/A; Fits 1985-1986 Dodge W150, N/A; Fits 1985-1986 Dodge W250, N/A; Fits 1985-1986 Dodge W350, N/A; Fits 1985 Chrysler New Yorker, N/A; Fits 1985 Dodge 600, N/A; Fits 1985 Dodge Aries, N/A; Fits 1985 Dodge B150, N/A; Fits 1985 Dodge B250, N/A; Fits 1985 Dodge B350, N/A; Fits 1985 Plymouth Turismo, N/A; Fits 1985 Plymouth Turismo 2.2, N/A.
What It Helps Address
- Intermittent A/C compressor cycling
- Temperature switch failure in system-mounted HVAC controls
- Incorrect clutch engagement timing
- Loss of stable cabin cooling performance
- Electrical connection issues at the switch interface
Installation Notes and Tips
Verify the original switch style, connector shape, terminal count, and cap tube length before installation. Confirm the vehicle uses a system-mounted temperature switch and match the preset temperature range to the original application. For best results, inspect the HVAC wiring and connector condition during replacement.
Quality Assurance
Four Seasons lists this part as meeting or exceeding OEM requirements, making it a service replacement built to match the original application standard for select Chrysler, Dodge, and Plymouth vehicles.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1987 | Chrysler | Town & Country | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1987 | Dodge | Caravan | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1987 | Dodge | Grand Caravan | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1987 | Plymouth | Grand Voyager | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1987 | Plymouth | Reliant | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1987 | Plymouth | Voyager | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Chrysler | Town & Country | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Dodge | Caravan | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Dodge | D100 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Dodge | D150 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Dodge | D250 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Dodge | D350 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Dodge | Ramcharger | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Dodge | W100 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Dodge | W150 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Dodge | W250 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Dodge | W350 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Plymouth | Reliant | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1986 | Plymouth | Voyager | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Chrysler | New Yorker | — | — | N/A | Temperature Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Chrysler | Town & Country | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | 600 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | Aries | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | B150 | 5.2L | V8 | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | B250 | 5.2L | V8 | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | B250 | 5.9L | V8 | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | B350 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | Caravan | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | D100 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | D150 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | D250 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | D350 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | Ramcharger | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | W100 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | W150 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | W250 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Dodge | W350 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Plymouth | Reliant | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Plymouth | Turismo | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Plymouth | Turismo 2.2 | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
| 1985 | Plymouth | Voyager | — | — | N/A | Temperature Switch; Mechanical Switch; Old Part, Exhaust Stock and Reorder.; Temperature Switch |
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