HomeHVAC > A/C Flow RestrictorsFour Seasons 38628 A/C Orifice Tube - Front
Part #: 38628

Four Seasons 38628 A/C Orifice Tube - Front

Orifice Tube, Front
23 vehicles fit this part
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Orifice Tube, Front
Fitment: Chevrolet and GMC, Vega, C10, C10 Suburban, C20, C20 Suburban, C30, K10, K10 Suburban, K20, K20 Suburban, K5 Blazer, C15, C15 Suburban, C25, C25 Suburban, C35, Jimmy, K15, K15 Suburban, K25, K25 Suburban, Blazer, C10 Pickup, C20 Pickup, C30 Pickup, K10 Pickup, K20 Pickup, K30 Pickup, C15/C1500 Pickup, C15/C1500 Suburban, C25/C2500 Pickup, C25/C2500 Suburban, C35/C3500 Pickup, K15/K1500 Pickup, K15/K1500 Suburban, K25/K2500 Pickup, K25/K2500 Suburban, and K35/K3500 Pickup
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Reliable A/C Orifice Tube for Chevrolet and GMC Models

The Four Seasons Orifice Tube 38628 is designed to regulate refrigerant flow in your vehicle's air conditioning system. Compatible with various Chevrolet and GMC trucks and SUVs, this colorless, standard-style orifice tube ensures proper expansion and cooling performance.

  • Brand: Four Seasons
  • Brand Line: Orifice Tube
  • Part Number: 38628
  • Orifice Diameter: 0.072 inches
  • Colorless, standard style A/C orifice tube
  • Packaged individually (Qty of 1)
  • Compatible with Chevrolet and GMC Blazer, C10, C20, C30, Jimmy, K5 Blazer, K10, and K20 models

About the Four Seasons Orifice Tube Product Line

The Four Seasons Orifice Tube product line focuses on providing precise expansion devices for automotive air conditioning systems. These orifice tubes are engineered to maintain optimal refrigerant flow and pressure, contributing to efficient cooling and system reliability. The 38628 model fits a range of Chevrolet and GMC vehicles, ensuring compatibility and performance within the brand's HVAC components.

Product Details and Specifications

This A/C orifice tube features a 0.072-inch orifice diameter, which controls the refrigerant flow from the condenser to the evaporator. Its colorless design and standard style make it a direct replacement part for the specified Chevrolet and GMC models, including the Blazer, C10 Suburban, C20 Suburban, and K20 Suburban. The part number 38628 identifies this specific orifice tube within the Four Seasons catalog, facilitating accurate ordering and fitment.

Common Applications and Issues Addressed

  • Regulates refrigerant flow in Chevrolet and GMC A/C systems
  • Prevents improper expansion causing poor cooling performance
  • Replaces damaged or clogged orifice tubes in Blazer, C10, and K-series models
  • Helps resolve evaporator core issues related to orifice tube failure
  • Maintains system pressure balance for consistent air conditioning operation

Installation Notes and Tips

When installing the Four Seasons Orifice Tube 38628, ensure the A/C system is properly evacuated and depressurized. Handle the orifice tube carefully to avoid damage or contamination. If the orifice tube has broken off inside the evaporator core, refer to evaporator core repair kits as noted in the product footnotes. Proper installation will help maintain system integrity and cooling efficiency.

Quality Assurance and Warranty

Four Seasons manufactures this orifice tube to meet OEM specifications for fit and function. While specific warranty details are not provided, Four Seasons products typically undergo rigorous quality control to ensure durability and reliable performance in automotive HVAC systems.

BrandFour Seasons
Part Number38628
PositionOrifice Tube, Front
ColorColorless
DescriptionExpansion Devices
Orifice Dia. IN0.072
Pack in Qty of1
Printed Foot NoteSee Evaporator Core Repair Kits When Orifice Tube Breaks Off Inside Evaporator Core
StyleStandard
TypeOrifice Tubes

This part fits 23 vehicles. Search below:

YearMakeModelPositionNotes
1975ChevroletC10N/ASee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1975ChevroletC10 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1975ChevroletC20N/ASee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1975ChevroletC20 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1975ChevroletC30N/ASee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1975ChevroletK10N/ASee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1975ChevroletK10 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1975ChevroletK20N/ASee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1975ChevroletK20 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1975ChevroletK5 BlazerFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1975GMCJimmyFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1974ChevroletBlazerFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1974ChevroletC10 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1974ChevroletC20 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1974ChevroletK10 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1974ChevroletK20 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1974GMCJimmyFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1973ChevroletBlazerFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1973ChevroletC10 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1973ChevroletC20 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1973ChevroletK10 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1973ChevroletK20 SuburbanFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube
1973GMCJimmyFrontSee Evaporator Core Repair Kits for when Orifice Tube breaks off inside the evaporator core.; Orifice Tube

* 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:

01475896111386281202091551171770120730923332630278583031086308785831500123411472375862838628460270442370730975862892004A8291AC3303AC3303CCWK758628EX5117T38628

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