Four Seasons
Evaporator Core

Four Seasons 54671 A/C Evaporator Core

Brand Four Seasons 54671
Core Depth Fraction 4
Core Depth MM 101.600
Core Height Fraction 10
Core Height MM 254.000
Core Width Fraction 8-1/2
Core Width MM 215.900
Depth 4.000
Description Evaporator Cores
Height 8.000
Height 10.000
Inlet Fitting Outside Diameter No. 8
Inlet Fitting Type Female O-Ring
Material Aluminum
O-Ring A Number/Desc [24604] / 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 [24604] / Green O-Ring
O-Ring E Number/Desc [24608] / Green O-Ring
O-Ring F Number/Desc [24610] / Green O-Ring
Outlet Fitting Outside Diameter No. 10
Outlet Fitting Type Male Insert O-Ring
Type Serpentine
Width 8.500
Width 9.500
Product line Evaporator Core
Fits Honda · 4 vehicles

Aluminum construction. Lightweight material helps support efficient heat transfer.

Serpentine design. Promotes smooth refrigerant flow through the evaporator core.

Female O-ring inlet. Male insert O-ring outlet for secure, leak-resistant connections.

Cross-references AMS Automotive 6754, Four Seasons 54671 and Global Parts Distributors LLC 4711472 for the same application. See all 34.

$91.17Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $91.17
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Honda Prelude A/C Evaporator Core

Restore cabin cooling performance with the Four Seasons 54671 A/C evaporator core. This aluminum serpentine evaporator core is built for 1988-1991 Honda Prelude applications and is sized for the factory HVAC layout, with an 8-1/2 in. core width, 10 in. core height, and 4 in. core depth.

Four Seasons Evaporator Core line focuses on direct-fit HVAC service parts for air conditioning repairs. The 54671 evaporator core uses female O-ring inlet and male insert O-ring outlet fittings, helping match the original connection style used in the vehicle’s A/C system.

Key Features

  • Fits 1988-1991 Honda Prelude, N/A
  • Four Seasons part number 54671
  • Aluminum serpentine evaporator core construction
  • Core dimensions: 8-1/2 in. width, 10 in. height, 4 in. depth
  • Female O-ring inlet fitting and male insert O-ring outlet fitting
  • Designed for HVAC service in the A/C condenser and evaporator category

Detailed Description

The Four Seasons 54671 evaporator core is a replacement HVAC component for the air conditioning system in 1988-1991 Honda Prelude models. As the evaporator absorbs heat from the cabin air, a worn or leaking core can reduce cooling output and affect overall A/C performance. This aluminum serpentine design follows the original-style layout for service replacement, and the listed dimensions and fitting types help confirm application match before installation. If you are sourcing a Honda Prelude evaporator core or searching for Four Seasons 54671, this part is built for the specified vehicle range and HVAC configuration.

This part cross-references UAC EV4006AC for the same application.

What It Helps Solve

  • Weak or inconsistent cabin cooling
  • Refrigerant loss from a leaking evaporator core
  • Restricted A/C heat exchange inside the HVAC case
  • Corrosion or damage to the original evaporator assembly
  • Service replacement needs for a Honda Prelude A/C repair

Installation Notes and Tips

Verify the core width, height, depth, and fitting style against the original unit before installation. Inspect the O-ring sealing surfaces and replace worn seals during A/C service to help maintain proper refrigerant sealing. After installation, evacuate and recharge the system according to the vehicle service procedure, then check for leaks and confirm vent temperature.

Quality Assurance

Four Seasons supplies HVAC replacement parts for automotive air conditioning service, and this evaporator core is built to match the listed application details for 1988-1991 Honda Prelude models. Confirm fitment by year and HVAC connection type before ordering.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1991HondaPreludeN/AEvaporator Core
1990HondaPreludeN/AEvaporator Core
1989HondaPreludeN/AEvaporator Core
1988HondaPreludeN/AEvaporator Core
Directly replaces or cross-references 34 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6754Four Seasons — 54671Global Parts Distributors LLC — 4711472KYB — 232004UAC — EV4006AC5400680210SF1A2180210SF1A2280210SF1A6180210SF1A6290210SF1A01104006149710159710249407288143294006A77512080597401484330156221727240063775120111546711919125788919668A78143CWK775120ES210220EV4006EV4006AEV9710T54671YE407