Four Seasons 64004 A/C Evaporator Core
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Four Seasons
 Evaporator Core

Four Seasons 64004 A/C Evaporator Core

Brand Four Seasons 64004
Core Depth Fraction 1-1/2
Core Depth MM 38
Core Height Fraction 10-7/8
Core Height MM 276
Core Width Fraction 10-13/16
Core Width MM 275
Depth 1.500
Description Evaporator Cores
Height 10.87
Inlet Fitting Type Block Fitting
Material Aluminum
Outlet Fitting Type Block Fitting
Type Parallel
Width 10.83
Product line Evaporator Core
Fits Buick and Cadillac · 12 vehicles

Parallel design. Promotes efficient refrigerant flow through the evaporator core.

Aluminum construction. Helps transfer heat efficiently while keeping weight down.

Block fittings. Provides a straightforward connection style for the evaporator core.

Cross-references Brute Power 1010170, Four Seasons 64004 and Global Parts Distributors LLC 4711875 for the same application. See all 14.

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Four Seasons 64004 Evaporator Core Overview

Four Seasons 64004 is an aluminum A/C evaporator core built as a parallel-flow unit with block fittings for the inlet and outlet. It is sized for the specified HVAC housing dimensions and is listed for 2006-2011 Buick Lucerne and 2006-2011 Cadillac DTS evaporator core applications.

The Four Seasons Evaporator Core line focuses on replacement HVAC components for service work where the original evaporator core has leaked, restricted airflow, or lost cooling efficiency. Part number 64004 is a direct-fit style evaporator core for Buick Lucerne and Cadillac DTS models in the listed years.

Key Features

  • Part number: 64004
  • Brand line: Four Seasons Evaporator Core
  • Aluminum construction
  • Parallel-flow core design
  • Block fitting inlet and outlet
  • Core width: 10-13/16 in. (275 mm)
  • Core height: 10-7/8 in. (276 mm)
  • Core depth: 1-1/2 in. (38 mm)
  • Fits 2006-2011 Buick Lucerne, N/A
  • Fits 2006-2011 Cadillac DTS, N/A

Detailed Description

Four Seasons 64004 is an A/C evaporator core engineered for HVAC service replacement in Buick Lucerne and Cadillac DTS vehicles from 2006 through 2011. Its aluminum parallel construction supports efficient refrigerant heat transfer, while the block fitting inlet and outlet match the listed application requirements. If you are replacing a leaking or restricted evaporator core in a 2006-2011 Buick Lucerne or 2006-2011 Cadillac DTS, this part number 64004 is the cataloged fitment to verify against your vehicle’s HVAC system.

This part cross-references UAC EV939674PFC for the same application.

Common Problems This Part Can Address

  • Loss of cabin cooling performance
  • Refrigerant leakage from the evaporator core
  • Restricted airflow through the HVAC system
  • Uneven or inconsistent vent temperatures
  • HVAC system service due to a damaged internal core

Installation Notes and Tips

Confirm the vehicle’s year, make, model, and HVAC configuration before installation. Match the block fitting inlet and outlet style, and compare the core dimensions to the original unit to ensure proper housing fitment. After installation, evacuate and recharge the A/C system according to the vehicle service procedure and inspect for leaks at all connections.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC replacement parts, and this evaporator core is cataloged with OE-style fitment references for the listed Buick Lucerne and Cadillac DTS applications. Verify part number 64004 against the original component before service.

Related reading

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2011BuickLucerneN/AEvaporator Core
2011CadillacDTSN/AEvaporator Core
2010BuickLucerneN/AEvaporator Core
2010CadillacDTSN/AEvaporator Core
2009BuickLucerneN/AEvaporator Core
2009CadillacDTSN/AEvaporator Core
2008BuickLucerneN/AEvaporator Core
2008CadillacDTSN/AEvaporator Core
2007BuickLucerneN/AEvaporator Core
2007CadillacDTSN/AEvaporator Core
2006BuickLucerneN/AEvaporator Core
2006CadillacDTSN/AEvaporator Core
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Brute Power — 1010170Four Seasons — 64004Global Parts Distributors LLC — 4711875UAC — EV939674PFC234004590251706885774004156324427334542577066629939674PFA34004T64004