HomeHVAC > A/C Condenser and EvaporatorFour Seasons 54136 A/C Evaporator Core
Part #: 54136

Four Seasons 54136 A/C Evaporator Core

Evaporator Core
22 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Evaporator Core
Fitment: Audi, 90, 90 Quattro, 80, 80 Quattro, and Coupe Quattro
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Overview of Four Seasons Evaporator Core 54136

The Four Seasons Evaporator Core 54136 is designed specifically for select Audi models, including the Audi 80, 80 Quattro, 90, 90 Quattro, and Coupe Quattro. This A/C evaporator core is engineered to restore efficient cooling performance in your vehicle's HVAC system.

  • Compatible with Audi 80, 80 Quattro, 90, 90 Quattro, and Coupe Quattro
  • Dimensions: 7.75 inches width, 10 inches height, 2.875 inches depth
  • Plate & fin core type constructed from durable aluminum
  • Male insert o-ring inlet and outlet fittings with No. 12 outlet fitting diameter
  • Includes green o-rings and orifice tube for proper sealing and function

Detailed Product Description

This Four Seasons Evaporator Core 54136 features a plate and fin design made from aluminum, providing reliable heat exchange and corrosion resistance. The core measures 7.75 inches wide, 10 inches high, and 2.875 inches deep (approximately 196.85 mm x 254 mm x 73.025 mm), ensuring a precise fit within the HVAC housing of compatible Audi models. Both the inlet and outlet fittings utilize male insert o-rings, with the outlet fitting having a No. 12 outside diameter, facilitating secure connections to the vehicle's A/C lines. The included green o-rings ([24608] and [24612]) and orifice tube ([38623]) help maintain a leak-free system and proper refrigerant flow.

About the Four Seasons Evaporator Core Product Line

The Evaporator Core line by Four Seasons focuses on delivering direct-fit replacement evaporator cores that meet or exceed OEM specifications. This product line emphasizes durability and precise fitment to restore factory-level air conditioning performance in vehicles. The 54136 part is part of this line, designed to provide consistent cooling efficiency and long service life for Audi HVAC systems.

Common Applications and Issues Addressed

  • Restores cooling efficiency in Audi 80 and 90 series HVAC systems
  • Replaces leaking or clogged evaporator cores causing reduced A/C output
  • Eliminates musty odors caused by mold or debris buildup inside the evaporator
  • Fixes refrigerant leaks due to damaged or corroded evaporator cores
  • Improves overall HVAC system reliability and passenger comfort

Installation Notes and Tips

  • Ensure compatibility with Audi 80, 80 Quattro, 90, 90 Quattro, and Coupe Quattro models before installation
  • Inspect and replace all associated O-rings and seals to prevent leaks
  • Handle the aluminum core carefully to avoid damage during installation
  • Flush the HVAC system to remove debris before installing the new evaporator core
  • Follow vehicle manufacturer guidelines for refrigerant handling and system evacuation

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54136 to meet strict quality standards, using corrosion-resistant aluminum and precision fittings. The product includes necessary O-rings and orifice tube components to ensure proper sealing and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.

BrandFour Seasons
Part Number54136
PositionEvaporator Core
Core Depth Fraction2-7/8
Core Depth MM73.025
Core Height Fraction10
Core Height MM254.000
Core Width Fraction7-3/4
Core Width MM196.850
Depth2.875
DescriptionEvaporator Cores
Height10.000
Inlet Fitting TypeMale Insert O-Ring
MaterialAluminum
O-Ring A Number/Desc[24608] / Green O-Ring
O-Ring B Number/Desc[24612] / Green O-Ring
O-Ring C Number/Desc[38623] / Orifice Tube
Outlet Fitting Outside DiameterNo. 12
Outlet Fitting TypeMale Insert O-Ring
TypePlate & Fin
Width7.750

This part fits 22 vehicles. Search below:

YearMakeModelPositionNotes
1993Audi90N/Aw/ R12; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
1993Audi90 QuattroN/Aw/ R12; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
1992Audi80N/AEvaporator Core
1992Audi80 QuattroN/AEvaporator Core
1991Audi80N/AEvaporator Core
1991Audi80 QuattroN/AEvaporator Core
1991Audi90N/AEvaporator Core
1991Audi90 QuattroN/AEvaporator Core
1991AudiCoupe QuattroN/AEvaporator Core
1990Audi80N/AEvaporator Core
1990Audi80 QuattroN/AEvaporator Core
1990Audi90N/AEvaporator Core
1990Audi90 QuattroN/AEvaporator Core
1990AudiCoupe QuattroN/AEvaporator Core
1989Audi80N/AEvaporator Core
1989Audi80 QuattroN/AEvaporator Core
1989Audi90N/AEvaporator Core
1989Audi90 QuattroN/AEvaporator Core
1988Audi80N/AEvaporator Core
1988Audi80 QuattroN/AEvaporator Core
1988Audi90N/AEvaporator Core
1988Audi90 QuattroN/AEvaporator Core

* 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:

10306511154136156212615942516942519190457232090249460273041828818237731664711256541365924605950177316680900688919577893820102BA78182CWK773166EP20027EV6950EV6950CEV6950PFEV6950PFCEV939552PFCT54136YE460

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