A/C Orifice Tube

Also known as the restrictor valve
Mfg Part #
4B0820177
ECS Part #
ES#2580832
Brand
ACM
2.49
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on orders $49 and up
Availability: Expected Ship Date: Jul 28, 2021
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Product Details

The orifice tube, or restrictor valve, is located within the A/C lines and causes the refrigerant to spray out to the evaporator, aiding the transition from a low pressure liquid to a low pressure gas. The orifice tube also features a filter so that foreign particles cannot enter the evaporator and cause a clog or damage. It is recommended to replace this piece any time the A/C system is opened to avoid tearing of the filter, and to ensure that your vehicle's interior is being cooled down efficiently.

This orifice tube is located between the front and rear lines that connect the condenser to the evaporator.

Cross Reference
  • 3545086

This Part Fits the Following Vehicles

Make Model Submodel Engine
Audi B5 A4 FWD 1.8T
Audi B5 A4 FWD V6 12v
Audi B5 A4 FWD V6 30v
Audi B5 A4 Quattro 1.8T
Audi B5 A4 Quattro V6 12v
Audi B5 A4 Quattro V6 30v
Audi B5 S4 All 2.7T
Audi C5 A6 Quattro 2.7T
Audi C5 A6 Quattro 4.2
Audi C5 A6 FWD V6 2.8L
Audi C5 A6 Quattro V6 2.8L
Audi C5 Allroad Quattro 2.7T
Volkswagen Passat B5 4 Motion 1.8T
Volkswagen Passat B5 4 Motion V6 30v
Volkswagen Passat B5 4 Motion W8
Volkswagen Passat B5 FWD 1.8T
Volkswagen Passat B5 FWD TDI
Volkswagen Passat B5 FWD V6 30v
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

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Manufacturer names and/or part numbers are used only for identification purposes.

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