Audi S4 Expansion Valve and Orifice Tubes

Your Audi S4 will be happy to know that the search for the right Expansion Valve and Orifice Tubes you’ve been looking for is over! Advance Auto Parts has 16 different Expansion Valve and Orifice Tubes for your vehicle, ready for shipping or in-store pick up. The best part is, our Audi S4 Expansion Valve and Orifice Tubes start from as little as $1.99.

When it comes to your Audi S4, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Expansion Valve and Orifice Tubes brands so you can shop with complete confidence. Some of our top Expansion Valve and Orifice Tubes brands are Carquest Premium and KAI. We’re sure you will get the right product to keep that S4 running for a long time.

We even have reviews of our OEM and aftermarket Expansion Valve and Orifice Tubes products to help you buy with confidence. Hear from other customers via the 5,966 reviews on parts for your Audi S4.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Expansion Valve and Orifice Tubes for your S4, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Audi Expansion Valve and Orifice Tubes

Carquest Premium – A/C Block Type Flange Expansion Valve (Part No.T38670)

A/C Block Type Flange Expansion Valve

from

$44.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
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Carquest Premium – A/C White Orifice Tube (Part No.T38623)

A/C White Orifice Tube

from

$2.99
Carquest Orifice Tubes are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each orifice tube is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each orifice tube is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Color coded
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Carquest Premium – Severe Temp Automatic Adjusting Orifice Tube (Part No.T38904)

Severe Temp Automatic Adjusting Orifice Tube

from

$15.99
This item for automotive air conditioning system Freon throttling and antihypertensive effect.

Product Features:
  • Throttling
  • Injection molded
  • Color coded
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Carquest Premium – A/C Orange Orifice Tube (Part No.T38639)

A/C Orange Orifice Tube

from

$4.99
Carquest Orifice Tubes are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each orifice tube is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each orifice tube is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Color coded
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Carquest Premium – A/C Yellow Orifice Tube (Part No.T38642)

A/C Yellow Orifice Tube

from

$4.99
Carquest Orifice Tubes are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each orifice tube is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each orifice tube is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Color coded
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Carquest Premium – A/C Standard Temp Automatic Adjusting Orifice Tube (Part No.T38902)

A/C Standard Temp Automatic Adjusting Orifice Tube

from

$15.79
Carquest Orifice Tubes are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each orifice tube is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each orifice tube is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Color coded
See More

Carquest Premium – A/C Block Type O-Ring Expansion Valve (Part No.T39260)

A/C Block Type O-Ring Expansion Valve

from

$34.49
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
See More

Carquest Premium – A/C TXV Type O-Ring Expansion Valve (Part No.T38725)

A/C TXV Type O-Ring Expansion Valve

from

$34.49
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Precision machined ports
See More

Carquest Premium – A/C TXV O-Ring Expansion Valve (Part No.T38610)

A/C TXV O-Ring Expansion Valve

from

$35.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Precision machined ports
See More

KAI – A/C Expansion Valve, L4 Engine (Part No.ACX011345)

A/C Expansion Valve, L4 Engine

from

$31.99
New Standard Replacement A/C Expansion Valve, L4 Engine

Product Features:
  • L4 Engine
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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KAI – A/C Orifice Tube (Part No.FJC3111)

A/C Orifice Tube

from

$2.99
New Standard Replacement A/C Orifice Tube

Product Features:
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Behr – Behr A/C Expansion Valve (Part No.R1045398548BEH)

Behr A/C Expansion Valve

from

$65.55
Behr manufactures an A/C Expansion Valve that is the same quality fit and performance of the OE unit it replaces.

Product Features:
  • OEM Quality and Direct fit Application
  • Manufactured to exact OEM specifications for design and performance.
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Carquest Premium – A/C Block Type O-Ring Expansion Valve (Part No.T39289)

A/C Block Type O-Ring Expansion Valve

from

$58.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
See More

ACM – ACM A/C Expansion Valve (Part No.R1045180300ACM)

ACM A/C Expansion Valve

from

$56.14
The ACM A/C Expansion Valve that is manufactured to exact OEM specifications for quality fit and performance.

Product Features:
  • OE-Equivalent and Direct fit Application.
  • Meet or exceed OEM specifications.
  • Utilizes the factory style fittings and connectors
  • Compatible with R12 and R134a refrigerant. Installation Note: Receiver driers or accumulators, and expansion devices should be replaced any time an A/C system is opened. Individual A/C component warranties may be void if these items are not replaced.
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Autopart International Inc – A/C Expansion Valve (Part No.R10453342435API)

A/C Expansion Valve

from

$49.63
A/C Expansion Valve

Santech – A/C Expansion Valve (Part No.R1045512859SII)

A/C Expansion Valve

from

$48.08
A/C Expansion Valve

Santech – A/C Expansion Valve (Part No.R1045660914SII)

A/C Expansion Valve

from

$45.16
A/C Expansion Valve

KAI – A/C Expansion Valve (Part No.ACX010865)

A/C Expansion Valve

from

$44.99
New Standard Replacement A/C Expansion Valve, L4 Engine

Product Features:
  • L4 Engine
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Carquest Premium – A/C Block Type O-Ring Expansion Valve (Part No.T39288)

A/C Block Type O-Ring Expansion Valve

from

$43.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • O-Rings necessary for installation are included.
See More

DENSO – First Time Fit A/C Expansion Valve (Part No.R1045922708ND)

First Time Fit A/C Expansion Valve

from

$43.82
Denso manufactures an A/C Expansion Valve that is the same quality fit and performance of the OE Expansion Valve it replaces.

Product Features:
  • OEM Quality and Direct fit Application
  • Designed to the exact OEM specifications
See More

Carquest Premium – A/C Block Expansion Valve (Part No.T39556)

A/C Block Expansion Valve

from

$35.49
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
See More

Carquest Premium – A/C TXV Type O-Ring Expansion Valve (Part No.T38722)

A/C TXV Type O-Ring Expansion Valve

from

$32.49
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Precision machined ports
See More

Carquest Premium – A/C TXV O-Ring Expansion Valve (Part No.T38720)

A/C TXV O-Ring Expansion Valve

from

$30.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Precision machined ports
See More

Carquest Premium – A/C Block Expansion Valve (Part No.T39509)

A/C Block Expansion Valve

from

$23.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
See More

Carquest Premium – A/C Block Expansion Valve (Part No.T39473)

A/C Block Expansion Valve

from

$18.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
See More

FAQs for Audi S4 Expansion Valve and Orifice Tubes

What are the most popular Expansion Valve and Orifice Tubes for the Audi S4?

With 6 brands you can trust, our most popular Expansion Valve and Orifice Tubes for the Audi S4 are:
A/C White Orifice Tube
from $2.99
(97)
A/C White Orifice Tube
Expansion Valve and Orifice Tubes
Severe Temp Automatic Adjusting Orifice Tube
from $15.99
(97)
Severe Temp Automatic Adjusting Orifice Tube
Expansion Valve and Orifice Tubes
A/C Orange Orifice Tube
from $4.99
(97)
A/C Orange Orifice Tube
Expansion Valve and Orifice Tubes

What are the best aftermarket Expansion Valve and Orifice Tubes for the Audi S4?

See what past customers had to say about our highest-rated Expansion Valve and Orifice Tubes for the Audi S4:
A/C Standard Temp Automatic Adjusting Orifice Tube
from $15.79
(28)
A/C Standard Temp Automatic Adjusting Orifice Tube
“exact fit”