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GM 19418346
Orifice

2006-2014 GM

Customer Questions & Expert Answers (8)
GM 19418346 Orifice
GM 19418346 Orifice
GM 19418346 Orifice
  • Part Description
    Orifice Assembly, A/C Condenser; A/C Evaporator Core Repair Kit; A/C Orifice Tube
  • Replaces
    15784601, 19259601
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • 19418346 Orifice is Ref No. 16 in the diagram below

    2013 GMC Sierra 2500 HD Orifice Diagram for 19418346
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 19418346

  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number19418346
    Part DescriptionOrifice Assembly, A/C Condenser; A/C Evaporator Core Repair Kit; A/C Orifice Tube
    Other NamesOrifice, A/C Evaporator
    Item Dimensions4.6 x 1.1 x 0.7 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15784601, 19259601
    ManufacturerGeneral Motors
    SKU19418346
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65

  • Vehicle Fitment

    Year Make Model Trim Engine
    2006-2014 Cadillac EscaladeBase, Luxury, Platinum, Premium8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2006-2014 Cadillac Escalade ESVBase, Luxury, Platinum, Premium8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2006-2013 Cadillac Escalade EXTBase, Luxury, Premium8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2007-2013 Chevrolet AvalancheBlack Diamond LS, Black Diamond LT, Black Diamond LTZ, LS, LT, LTZ8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2006 Chevrolet Avalanche 1500LS, LT, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2006 Chevrolet Avalanche 2500LS, LT8 Cyl 8.1 L GAS
    2006-2013 Chevrolet Silverado 1500Hybrid, LS, LT, LTZ, SS, WT, XFE6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
    2007 Chevrolet Silverado 1500 ClassicHybrid, LS, LT, SS, WT6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2006 Chevrolet Silverado 1500 HDLT8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 HD ClassicLT8 Cyl 6.0 L GAS
    View More

  • Customer Questions & Expert Answers

    Q:
    Is this 19418346 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 19418346 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the A/C Orifice Tube on Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    The first step for replacing the A/C orifice tube involves the recovery of refrigerant. You can uninstall the A/C orifice tube from its position on the evaporator tube by using the Orifice Tube Remover (J 26549-E). Begin this process by first loosening the nut connected to the evaporator tube fitting. Cap or plug the open line. Before O-ring installation on the evaporator tube seek to lubricate it with 525 viscosity refrigerant oil from new supply. Install the replacement A/C orifice tube into the evaporator tube but make sure that the O-ring seal receive application of 525 viscosity refrigerant oil. The long screen side of the new A/C orifice tube must be inserted into the evaporator tube before attaching it at the fitting while maintaining a torque of 25 N.m (18 lb ft). Evacuate the system along with recharging it while conducting a Halogen Leak Detector test on fittings that make up the repaired component (J 39400-A).
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the A/C Orifice Tube on Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    The first step for replacing the A/C orifice tube involves the recovery of refrigerant. You can uninstall the A/C orifice tube from its position on the evaporator tube by using the Orifice Tube Remover (J 26549-E). Begin this process by first loosening the nut connected to the evaporator tube fitting. Cap or plug the open line. Before O-ring installation on the evaporator tube seek to lubricate it with 525 viscosity refrigerant oil from new supply. Install the replacement A/C orifice tube into the evaporator tube but make sure that the O-ring seal receive application of 525 viscosity refrigerant oil. The long screen side of the new A/C orifice tube must be inserted into the evaporator tube before attaching it at the fitting while maintaining a torque of 25 N.m (18 lb ft). Evacuate the system along with recharging it while conducting a Halogen Leak Detector test on fittings that make up the repaired component (J 39400-A).
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the A/C Orifice Tube on Chevrolet Silverado 3500? Posted by Customer
    A:
    Begin a replacement of the A/C orifice tube by recovering all refrigerant first. You need to loosen the evaporator tube fitting nut before you can take out the A/C orifice tube using the Orifice Tube Remover (J 26549-E). Cap or plug the open line. Installation begins with uncapping the evaporator tube after which you should use new 525 viscosity refrigerant oil to lubricate the new O-ring before fitting it into place. The short screen portion of the new A/C orifice tube needs to receive 525 viscosity refrigerant oil before insertion into the evaporator tube. Install the evaporator tube into its fitting before securing it with 25 N.m of torque (18 lb ft). The system evacuation and recharging process should be followed by fitting leak tests using a Halogen Leak Detector (J 39400-A).
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the A/C Orifice Tube on GMC Sierra 3500? Posted by Customer
    A:
    Begin a replacement of the A/C orifice tube by recovering all refrigerant first. You need to loosen the evaporator tube fitting nut before you can take out the A/C orifice tube using the Orifice Tube Remover (J 26549-E). Cap or plug the open line. Installation begins with uncapping the evaporator tube after which you should use new 525 viscosity refrigerant oil to lubricate the new O-ring before fitting it into place. The short screen portion of the new A/C orifice tube needs to receive 525 viscosity refrigerant oil before insertion into the evaporator tube. Install the evaporator tube into its fitting before securing it with 25 N.m of torque (18 lb ft). The system evacuation and recharging process should be followed by fitting leak tests using a Halogen Leak Detector (J 39400-A).
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the A/C Orifice Tube on GMC Sierra 1500 Classic? Posted by Customer
    A:
    The first step for replacing the A/C orifice tube involves the recovery of refrigerant. You can uninstall the A/C orifice tube from its position on the evaporator tube by using the Orifice Tube Remover (J 26549-E). Begin this process by first loosening the nut connected to the evaporator tube fitting. Cap or plug the open line. Before O-ring installation on the evaporator tube seek to lubricate it with 525 viscosity refrigerant oil from new supply. Install the replacement A/C orifice tube into the evaporator tube but make sure that the O-ring seal receive application of 525 viscosity refrigerant oil. The long screen side of the new A/C orifice tube must be inserted into the evaporator tube before attaching it at the fitting while maintaining a torque of 25 N.m (18 lb ft). Evacuate the system along with recharging it while conducting a Halogen Leak Detector test on fittings that make up the repaired component (J 39400-A).
    Posted by ChevyPartsGiant Specialist
    Q:
    How should the new O-ring be prepared before installation for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Lubricate the new O-ring using new 525 viscosity refrigerant oil.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar A/C Orifice Tube
    Q:
    How do you remove the orifice tube from the evaporator tube for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Use the Orifice Tube Remover (J 26549-E) to remove the orifice tube.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar A/C Orifice Tube
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 19418346, Excellent Performance and Perfect Fitment

To ensure reliability, purchase GM part # 19418346 Orifice. It is sometimes referred to as GM A/C Orifice Tube. Choosing OEM parts is the optimal decision for guaranteeing superior quality and perfect performance. These components undergo stringent quality checks and are carefully constructed to comply with GM's factory specifications, ensuring a smooth installation process.

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