Universal Air
Block Expansion Valve

Universal Air EX10658C A/C Expansion Valve

Brand Universal Air EX10658C
Product line Block Expansion Valve
Fits Audi · 54 vehicles

Block expansion valve. Regulates refrigerant flow in the A/C system.

A/C expansion valve. Helps meter refrigerant for efficient cooling performance.

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Universal Air EX10658C Block Expansion Valve

Universal Air EX10658C is a block expansion valve for select Audi HVAC systems. It regulates refrigerant flow through the A/C system to support proper evaporator operation and cabin cooling performance.

Key Features

  • Block expansion valve for automotive air conditioning systems
  • Brand Line: Universal Air Block Expansion Valve
  • Direct fitment for select Audi models with standard and HFO-1234yf A/C systems
  • Part number EX10658C for ordering and cross-reference use
  • Fits Audi A4, A4 allroad, A5 Sportback, A6 Quattro, e-tron Quattro, Q5, Q5 PHEV, S4, S5 Sportback, S6, S7, SQ5, RS5, and related applications listed below

Detailed Description

This A/C expansion valve is used in the refrigerant metering circuit to control how much refrigerant enters the evaporator. Proper flow control is important for stable vent temperatures, consistent compressor cycling, and reliable HVAC performance. EX10658C is listed for a wide range of Audi applications, including 2014-2020 Audi S5, 2018-2020 Audi Q5, and 2019-2020 Audi A6 Quattro models, with additional coverage for vehicles using HFO-1234yf A/C systems.

This part number, EX10658C, is a fitment-specific block expansion valve for Audi A4 and Audi Q5 platform vehicles, along with several A5, S4, S5, S6, S7, SQ5, RS5, and e-tron Quattro applications. Use the vehicle notes to confirm whether your system is equipped with HFO-1234yf refrigerant before ordering.

What It Is Used For

  • Restoring refrigerant metering when the original valve is restricted or worn
  • Addressing weak or inconsistent A/C cooling output
  • Correcting evaporator feed issues that affect cabin temperature control
  • Replacing a leaking or malfunctioning block expansion valve in the HVAC circuit

Installation Notes and Tips

Verify the vehicle year, model, and refrigerant type before installation. This EX10658C valve is listed for specific Audi applications and some fitments require HFO-1234yf A/C systems. Inspect the surrounding A/C components, seals, and lines during service, and evacuate and recharge the system according to factory procedures after replacement.

Quality Assurance

Universal Air EX10658C is cataloged as a fitment-specific HVAC component for the listed Audi applications. Confirm the part number and vehicle notes against your original valve before installation.

Compatible Audi Fitment

  • Fits 2020 Audi A4, N/A
  • Fits 2018-2020 Audi A4 allroad, N/A, with HFO-1234yf A/C System
  • Fits 2018-2020 Audi A5 Sportback, N/A
  • Fits 2019-2020 Audi A6 Quattro, N/A
  • Fits 2019-2020 Audi e-tron Quattro, N/A, with HFO-1234yf A/C System
  • Fits 2020 Audi Q5, N/A
  • Fits 2020 Audi Q5 PHEV, N/A
  • Fits 2019-2020 Audi S4, N/A, with HFO-1234yf A/C System
  • Fits 2020 Audi S5 Sportback, N/A
  • Fits 2020 Audi S6, N/A
  • Fits 2020 Audi S7, N/A
  • Fits 2020 Audi SQ5, N/A
  • Fits 2019 Audi A4, N/A, with HFO-1234yf A/C System
  • Fits 2019 Audi A4 Quattro, N/A, with HFO-1234yf A/C System
  • Fits 2018-2019 Audi A5 Quattro, N/A, with HFO-1234yf A/C System
  • Fits 2019 Audi A7 Sportback, N/A
  • Fits 2018-2019 Audi Q5, N/A, with HFO-1234yf A/C System
  • Fits 2018-2019 Audi RS5, N/A
  • Fits 2019 Audi RS5 Sportback, N/A
  • Fits 2014-2019 Audi S5, N/A
  • Fits 2018-2019 Audi S5 Sportback, N/A, with HFO-1234yf A/C System
  • Fits 2018-2019 Audi SQ5, N/A, with HFO-1234yf A/C System
This part fits 54 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2020AudiA4—N/ABlock Expansion Valve
2020AudiA4 allroad—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2020AudiA5 Sportback—N/ABlock Expansion Valve
2020AudiA6 Quattro—N/ABlock Expansion Valve
2020Audie-tron Quattro—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2020AudiQ5S LineN/ABlock Expansion Valve
2020AudiQ5PremiumN/ABlock Expansion Valve
2020AudiQ5KomfortN/ABlock Expansion Valve
2020AudiQ5SecurityN/ABlock Expansion Valve
2020AudiQ5EliteN/ABlock Expansion Valve
2020AudiQ5PrestigeN/ABlock Expansion Valve
2020AudiQ5TechnikN/ABlock Expansion Valve
2020AudiQ5Premium PlusN/ABlock Expansion Valve
2020AudiQ5DynamicN/ABlock Expansion Valve
2020AudiQ5ProgressivN/ABlock Expansion Valve
2020AudiQ5SelectN/ABlock Expansion Valve
2020AudiQ5 PHEV—N/ABlock Expansion Valve
2020AudiS4—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2020AudiS5 Sportback—N/ABlock Expansion Valve
2020AudiS6—N/ABlock Expansion Valve
2020AudiS7—N/ABlock Expansion Valve
2020AudiSQ5—N/ABlock Expansion Valve
2019AudiA4—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2019AudiA4 allroad—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2019AudiA4 Quattro—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2019AudiA5 Quattro—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2019AudiA5 Sportback—N/ABlock Expansion Valve
2019AudiA6 Quattro—N/ABlock Expansion Valve
2019AudiA7 SportbackPrestigeN/ABlock Expansion Valve
2019AudiA7 SportbackPremium PlusN/ABlock Expansion Valve
2019AudiA7 SportbackPremiumN/ABlock Expansion Valve
2019Audie-tron Quattro—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2019AudiQ5—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2019AudiRS5—N/ABlock Expansion Valve
2019AudiRS5 Sportback—N/ABlock Expansion Valve
2019AudiS4—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2019AudiS5PremiumN/ABlock Expansion Valve
2019AudiS5Premium PlusN/ABlock Expansion Valve
2019AudiS5ProgressivN/ABlock Expansion Valve
2019AudiS5BaseN/ABlock Expansion Valve
2019AudiS5 Sportback—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2019AudiSQ5—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2018AudiA4 allroad—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2018AudiA5 Quattro—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2018AudiA5 Sportback—N/ABlock Expansion Valve
2018AudiQ5—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2018AudiRS5—N/ABlock Expansion Valve
2018AudiS5—N/ABlock Expansion Valve
2018AudiS5 Sportback—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2018AudiSQ5—N/Awith HFO-1234yf A/C System; Block Expansion Valve
2017AudiS5—N/ABlock Expansion Valve
2016AudiS5—N/ABlock Expansion Valve
2015AudiS5—N/ABlock Expansion Valve
2014AudiS5—N/ABlock Expansion Valve