Four Seasons 20963 A/C trinary switch for the 1998-2005 Volkswagen Passat and other vehicles monitors refrigerant pressure in the A/C system. It is a system-mounted pressure switch that works at low, medium and high pressure points.
- Zinc coating to resist corrosion
- Weather Pack connector with four pin terminals
- Color-coded for easy identification
Quick facts
- Part: Four Seasons 20963 A/C trinary switch
- Fits: 1998-2005 Volkswagen Passat and other vehicles
- Material: Steel
- Condition: New
A failing trinary switch can mean an A/C system that will not engage or that cuts out. With the engine off, look over the connector and switch body for damage, corrosion or oily residue before you replace anything. If a failed trinary switch is the cause, this one replaces it.
Fits
As a system-mounted trinary pressure switch, it fits the 1998-2005 Volkswagen Passat, the 2001-2005 Audi Allroad Quattro, the 1996-2004 Audi A6 and many other vehicles.
Specifications
Fit and size
- Fitting thread size: M10 x 1.25
- Quantity per vehicle: 1
- Mounting: system mounted
- Connector: square, female, 4 terminals
- Voltage: 12 V
- Low pressure stage: on at 25 psi, off at 22 psi
- Medium pressure stage: on at 240 psi, off at 195 psi
- High pressure stage: on at 260 psi, off at 440 psi
Build and materials
- Type: trinary pressure switch
- Material: steel
- Coating: zinc
- Terminal type: pin
- Weather Pack: yes
- Condition: new
- Country of origin: China
In the box
One A/C trinary switch with the gaskets, o-rings or seals to replace it. This listing is one switch, and each vehicle takes one.
Interchange: 1551035 · 8D0959482B · 207773 · 11120963 · 19188184 · 1711692 · A07773 · 301036 · MT0591 · SW11150 · SW11150C · URO009446 · 8D0959482A
This part cross-references / interchanges with the following part numbers:
1551035, 8D0959482B, 207773, 20963, 11120963, 19188184, 1711692, A07773, 301036, MT0591, SW11150, SW11150C, URO009446, 8D0959482A
Frequently Asked Questions
Does the Four Seasons 20963 switch fit the 1998-2005 Volkswagen Passat?
Yes. Four Seasons 20963 fits the 1998-2005 Volkswagen Passat and the 2001-2005 Audi Allroad Quattro. If your car is not named here, look for it in the "Vehicles it fits" section.
What comes with the Four Seasons 20963 trinary switch?
You get one switch together with the gaskets, o-rings or seals needed to replace it. The listing is one switch, and each vehicle takes one.
What thread size and connector does this trinary switch have?
This switch has an M10 x 1.25 fitting thread and a square female connector with four pin terminals. It is a 12 volt part.
At what pressures does the Four Seasons 20963 switch operate?
The low stage switches on at 25 psi and off at 22 psi. The medium stage is on at 240 psi and off at 195 psi, and the high stage is on at 260 psi and off at 440 psi.
Is the Four Seasons 20963 trinary switch protected against corrosion?
Yes. The steel body of the Four Seasons 20963 is zinc coated to resist corrosion.
