HomeHVAC > SwitchesUniversal Air SW11166C HVAC Pressure Switch
Part #: SW11166C

Universal Air SW11166C HVAC Pressure Switch

HPCO Switch
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
HPCO Switch
Fitment: Ford and Lincoln, Expedition, Aviator, and Navigator
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Universal Air HPCO Switch SW11166C

The Universal Air HPCO Switch SW11166C is an HVAC pressure switch for select Ford and Lincoln applications. It is used in air conditioning pressure control circuits where accurate high-pressure cutoff operation is required.

Key Features

  • HVAC pressure switch for pressure-based A/C system control
  • Compatible with select 2003-2006 Ford Expedition applications
  • Compatible with select 2003-2005 Lincoln Aviator applications
  • Compatible with select 2003-2005 Lincoln Navigator applications
  • Universal Air HPCO Switch line component
  • Part number SW11166C for identification and ordering

Detailed Description

Universal Air SW11166C is an HPCO switch used in HVAC systems to monitor pressure conditions and support proper compressor protection logic. This part is listed for 2003-2006 Ford Expedition, 2003-2005 Lincoln Aviator, and 2003-2005 Lincoln Navigator models. If you are searching for a Ford Expedition HVAC pressure switch or a Lincoln Navigator HPCO switch, SW11166C matches the listed application data.

The Universal Air HPCO Switch product line focuses on pressure-control components for automotive air conditioning systems. SW11166C is identified as an HVAC pressure switch and is cataloged for direct application lookup by part number.

What It Is Used For

  • Restoring HVAC pressure switch function in the A/C control circuit
  • Addressing compressor shutdown caused by pressure switch faults
  • Replacing a failed high-pressure cutoff switch
  • Resolving intermittent A/C operation tied to pressure sensing issues

Installation Notes and Tips

Verify the vehicle year, make, and model before ordering. Confirm the existing switch location and connector style against the original part number SW11166C. Use the listed fitment only for 2003-2006 Ford Expedition, 2003-2005 Lincoln Aviator, and 2003-2005 Lincoln Navigator applications.

Quality Assurance

Fitment is cataloged for the listed vehicles to support accurate application matching. Review the vehicle’s HVAC system configuration before installation to confirm the correct pressure switch selection.

This part fits 10 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2006FordExpeditionN/AHPCO Switch
2005FordExpeditionN/AHPCO Switch
2005LincolnAviatorBaseN/AHPCO Switch
2005LincolnNavigatorBaseN/AHPCO Switch
2004FordExpeditionN/AHPCO Switch
2004LincolnAviatorN/AHPCO Switch
2004LincolnNavigatorN/AHPCO Switch
2003FordExpeditionN/AHPCO Switch
2003LincolnAviatorN/AHPCO Switch
2003LincolnNavigatorN/AHPCO 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.