Universal Air EX10105C A/C Expansion Valve - Rear
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Universal Air
 Thermal Expansion Valve

Universal Air EX10105C A/C Expansion Valve - Rear

Brand Universal Air EX10105C
Position Rear
Product line Thermal Expansion Valve
Fits Chevrolet, GMC, Oldsmobile, and Pontiac · 5 vehicles

Thermal expansion valve. Regulates refrigerant flow for consistent A/C performance.

A/C flow restrictor. Helps meter refrigerant through the system efficiently.

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Thermal Expansion Valve for Rear A/C Service

Universal Air EX10105C is a thermal expansion valve for rear air conditioning systems. It is listed for select 1992 Chevrolet, GMC, Oldsmobile, and Pontiac vehicles with rear A/C, making it a direct-fit service part for restoring refrigerant control in the evaporator circuit.

Fits 1992 Chevrolet Astro, compatible with rear A/C. Fits 1992 Chevrolet Lumina APV, compatible with rear A/C. Fits 1992 GMC Safari, rear. Fits 1992 Oldsmobile Silhouette, rear. Fits 1992 Pontiac Trans Sport, rear.

Key Features

  • Universal Air Thermal Expansion Valve product line
  • Part number EX10105C
  • Application-specific fitment for rear A/C systems
  • Supports refrigerant metering at the evaporator
  • Listed for 1992 Chevrolet Astro and 1992 Chevrolet Lumina APV
  • Also listed for 1992 GMC Safari, 1992 Oldsmobile Silhouette, and 1992 Pontiac Trans Sport

Detailed Description

The EX10105C thermal expansion valve regulates refrigerant flow into the rear evaporator, helping the HVAC system maintain proper cooling performance under changing load conditions. This part is cataloged for rear A/C applications on the 1992 Chevrolet Astro, Chevrolet Lumina APV, GMC Safari, Oldsmobile Silhouette, and Pontiac Trans Sport. If you are replacing a worn or restricted A/C expansion valve, EX10105C provides a fitment-specific service option for these vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

  • Uneven rear cabin cooling
  • Restricted refrigerant flow at the evaporator
  • Incorrect superheat control in the rear A/C circuit
  • Loss of cooling performance in rear HVAC operation
  • Service replacement for a leaking or sticking expansion valve

Installation Notes and Tips

Verify the vehicle’s rear A/C configuration before ordering. Match the part number EX10105C to the original valve location and inspect related A/C components for contamination, leaks, or blockage during service. Proper evacuation, recharge, and system leak checking are required after replacement.

Quality Assurance

Universal Air catalogs this thermal expansion valve as a dedicated HVAC flow-restriction component for the listed applications. Confirm fitment against the vehicle’s rear A/C setup and original part reference before installation.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1992ChevroletAstro——N/ACompatible with rear A/C.; Thermal Expansion Valve
1992ChevroletLumina APV——N/ACompatible with rear A/C.; Thermal Expansion Valve
1992GMCSafari——RearCompatible with rear A/C.; Thermal Expansion Valve
1992OldsmobileSilhouette3.8LV6RearCompatible with rear A/C.; Thermal Expansion Valve
1992PontiacTrans Sport——RearCompatible with rear A/C.; Thermal Expansion Valve