Four Seasons 39166 A/C Expansion Valve
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Four Seasons
 Expansion Valve

Four Seasons 39166 A/C Expansion Valve

Brand Four Seasons 39166
Color Brass
Refrigerant Type R134A
Super Heat -2.5
Type TXV
Product line Expansion Valve
Fits Ford · 4 vehicles

TXV design. Helps regulate refrigerant flow for consistent A/C performance.

Brass construction. Provides durable corrosion-resistant performance in the system.

R134A compatible. Built for use with R134A refrigerant systems.

Cross-references Davico Mfg 17543, Four Seasons 39166 and Global Parts Distributors LLC 3411248 for the same application. See all 14.

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Four Seasons 39166 Expansion Valve Overview

Four Seasons 39166 is a brass TXV A/C expansion valve for R134A systems. It is listed for Ford Aspire applications and is built to regulate refrigerant flow and evaporator superheat in the HVAC circuit.

The Four Seasons Expansion Valve line focuses on direct-fit A/C flow control components for service and replacement work. This Four Seasons 39166 valve is specified with a -2.5 super heat setting and is intended for vehicles using an R134A refrigerant system.

Key Features

  • Part number: 39166
  • Brand line: Expansion Valve
  • Type: TXV thermal expansion valve
  • Brass construction
  • Refrigerant type: R134A
  • Super heat setting: -2.5
  • Fits Ford Aspire A/C expansion valve applications

Detailed Description

Four Seasons 39166 is an A/C expansion valve used to meter refrigerant into the evaporator and maintain proper system operation. For Ford Aspire service, this TXV helps control refrigerant flow in R134A-equipped HVAC systems, supporting stable evaporator performance and consistent cabin cooling. It is listed for 1994-1997 Ford Aspire models, including 1994-1995 Ford Aspire, 1996 Ford Aspire, and 1997 Ford Aspire applications. This part cross-references Pioneer Automotive Industries 759166 for the same application.

Common Issues It May Address

  • Incorrect refrigerant metering at the evaporator
  • Uneven A/C outlet temperatures
  • Loss of cooling performance in an R134A system
  • Expansion valve restriction or sticking
  • HVAC service needs on Ford Aspire models

Installation Notes and Tips

Verify the vehicle uses an R134A system and confirm the original valve style before installation. Match the replacement to the existing Ford Aspire expansion valve application and inspect the surrounding A/C components for contamination or wear during service. Proper evacuation, leak checking, and recharge procedures are important after any HVAC component replacement.

Quality Assurance

Four Seasons supplies HVAC service parts for automotive A/C repair, and this valve is identified by OE-style interchange references for the listed Ford Aspire applications. Confirm part number 39166 against the vehicle’s original specification before installation.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1997FordAspireN/AF4BZ-19849-A; Expansion Valve
1996FordAspireN/AF4BZ19849-A; Expansion Valve
1995FordAspireN/AF4BZ-19849-A; Expansion Valve
1994FordAspireN/AF4BZ-19849-A; Expansion Valve
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Davico Mfg — 17543Four Seasons — 39166Global Parts Distributors LLC — 3411248Pioneer Automotive Industries — 7591662171668071761551205311212037591661113916619187644A17166CWK759166F4BZ19849A