HomeHVAC > A/C Flow RestrictorsFour Seasons 38876 A/C Expansion Valve
Part #: 38876

Four Seasons 38876 A/C Expansion Valve

Expansion Valve
5 vehicles fit this part
Select your vehicle to confirm fitment
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Expansion Valve
Fitment: Cadillac, Catera
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Reliable A/C Expansion Valve for Cadillac Catera

The Four Seasons Expansion Valve 38876 is engineered to regulate refrigerant flow in the air conditioning system of your Cadillac Catera. Designed with precision, this aluminum block-type valve ensures efficient cooling performance compatible with R134a refrigerant systems.

  • Constructed from durable aluminum material for corrosion resistance
  • Compatible with R134a refrigerant type
  • Block type design with two mounting holes for secure installation
  • Female suction and liquid inlet/outlet fittings with specific thread diameters
  • Meets or exceeds OEM specifications for Cadillac Catera

Product Details and Specifications

This Four Seasons Expansion Valve (part number 38876) features a block-type design made from aluminum, providing strength and longevity in demanding HVAC environments. It is specifically designed for use with R134a refrigerant, the standard for many modern automotive A/C systems. The valve includes two mounting holes for stable attachment and female fittings on both suction and liquid sides, with thread diameters ranging from No. 6 to No. 12. The liquid inlet and outlet use insert o-ring types with green o-rings ([24606] and [24608]) to ensure a tight, leak-free seal. The liquid inlet size measures 0.41 inches (10.5 mm), while the liquid outlet size is 0.53 inches (13.5 mm), matching OEM dimensions for proper fitment.

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line by Four Seasons focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This product line is designed to meet or exceed original equipment manufacturer standards, ensuring compatibility and reliable operation. The 38876 valve is part of this line, offering a block-type valve solution tailored for the Cadillac Catera's air conditioning system requirements.

Common Applications and Problem Resolution

  • Restores proper refrigerant flow in Cadillac Catera A/C systems
  • Resolves inconsistent cabin cooling or fluctuating temperatures
  • Eliminates issues caused by faulty or clogged expansion valves
  • Prevents compressor damage due to improper refrigerant metering
  • Addresses leaks or seal failures in the expansion valve assembly

Installation Notes and Tips

Ensure the A/C system is fully evacuated and free of contaminants before installing the expansion valve. Use proper torque specifications on the two mounting holes to avoid damage. Verify that the female fittings and insert o-rings are seated correctly to prevent refrigerant leaks. This valve is designed for non-threaded suction and liquid inlet/outlet connections, so confirm compatibility with your vehicle’s existing fittings. Professional installation is recommended to maintain system integrity and performance.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 38876 meets or exceeds OEM standards for the Cadillac Catera, ensuring reliable performance and durability. The product includes green o-rings for secure sealing and is manufactured from corrosion-resistant aluminum. Warranty coverage details should be confirmed with the product documentation or supplier, reflecting Four Seasons’ commitment to quality and customer satisfaction.

BrandFour Seasons
Part Number38876
PositionExpansion Valve
ColorAluminum
DescriptionExpansion Valves
Liquid Inlet Fitting GenderFemale
Liquid Inlet Fitting Thread DiameterNo. 6
Liquid Inlet Size IN0.41
Liquid Inlet Size MM10.5
Liquid Inlet StyleFIO
Liquid Inlet Thread TypeNot Threaded
Liquid Inlet TypeInsert O-Ring
Liquid Outlet Fitting GenderFemale
Liquid Outlet Fitting Thread DiameterNo. 8
Liquid Outlet StyleFIO
Liquid Outlet Thread TypeNot Threaded
Liquid Outlet TypeInsert O-Ring
Lqd Out Size IN0.53
Lqd Out Size MM13.5
MaterialAluminum
Meets / Exceeds OEM?Yes
Mounting Hole Quantity2
O-Ring A Number/Desc[24606] / Green O-Ring
O-Ring B Number/Desc[24608] / Green O-Ring
O-Ring C Number/Desc[24610] / Green O-Ring
O-Ring D Number/Desc[24612] / Green O-Ring
Refrigerant TypeR134A
Stylew/o Solenoid
Suc In Size IN0.650
Suc In Size MM16.4
Suc Out Size IN0.77
Suc Out Size MM19.6
Suction Inlet Fitting GenderFemale
Suction Inlet Fitting Thread DiameterNo. 10
Suction Inlet StyleFIO
Suction Inlet Thread TypeNot Threaded
Suction Inlet TypeInsert O-Ring
Suction Outlet Fitting GenderFemale
Suction Outlet Fitting Thread DiameterNo. 12
Suction Outlet StyleFIO
Suction Outlet Thread TypeNot Threaded
Suction Outlet TypeInsert O-Ring
Super Heat7.000
Switch Included?Not Included
Tonnage2.000
TypeBlock Type

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2001CadillacCateraN/Aw/ Valve; Expansion Valve
2000CadillacCateraN/Aw/ Valve; Expansion Valve
1999CadillacCateraN/Aw/ Valve; Expansion Valve
1998CadillacCateraN/Aw/ Valve; Expansion Valve
1997CadillacCateraN/Aw/ Valve; Expansion Valve

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

0146614211138876118305C215501511800332073312082152G40130212931309213130997AM34118923601131375887638876404073563805638P570113157627P7044067588769117610911941695043A97331CWK758876EX10224CEX5019EX5019CEXV1011HV32582RD538240

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.