Universal Air
Thermal Expansion Valve

Universal Air EX10118C A/C Expansion Valve - Rear

Brand Universal Air EX10118C
Position Rear
Product line Thermal Expansion Valve
Fits Toyota · 6 vehicles

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

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

$32.95Free shipping
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Rear A/C Expansion Valve for Toyota Sienna

Universal Air EX10118C is a thermal expansion valve for the rear air conditioning system on select Toyota Sienna models. It is listed for 1998-2003 Toyota Sienna applications with dual sliding doors and rear HVAC service needs.

  • Brand: Universal Air
  • Brand line: Thermal Expansion Valve
  • Part number: EX10118C
  • Category: A/C expansion valve for HVAC flow restriction control
  • Fits 1998-2003 Toyota Sienna, rear, with dual sliding doors

Product Details

The Universal Air Thermal Expansion Valve line is focused on metering refrigerant flow through the evaporator circuit. EX10118C is the rear A/C expansion valve application for Toyota Sienna models in the listed years, helping restore proper refrigerant control in the rear HVAC system. If you are searching for a rear A/C expansion valve for 1998-2003 Toyota Sienna with dual sliding doors, EX10118C is the direct part number to reference.

Common Repair Symptoms

  • Rear A/C vents blowing warm air
  • Uneven cooling between front and rear HVAC zones
  • Restricted refrigerant flow at the rear evaporator circuit
  • Erratic system performance after expansion valve wear or contamination

Installation Notes

Verify the rear HVAC configuration before ordering. This part is listed for the rear position on 1998-2003 Toyota Sienna models with dual sliding doors. Match the part number EX10118C to the original valve location and confirm system cleanliness during service to reduce repeat contamination issues.

Quality Assurance

Universal Air identifies this component within its Thermal Expansion Valve product line, which is organized for HVAC refrigerant metering applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2003ToyotaSiennaRearwith DUAL SLIDING DOORS; Thermal Expansion Valve
2002ToyotaSiennaRearwith DUAL SLIDING DOORS; Thermal Expansion Valve
2001ToyotaSiennaRearwith DUAL SLIDING DOORS; Thermal Expansion Valve
2000ToyotaSiennaRearwith DUAL SLIDING DOORS; Thermal Expansion Valve
1999ToyotaSiennaRearwith DUAL SLIDING DOORS; Thermal Expansion Valve
1998ToyotaSiennaRearwith DUAL SLIDING DOORS; Thermal Expansion Valve