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Four Seasons 54874 A/C Evaporator Core
Reliable A/C Evaporator Core for Buick, Cadillac, Oldsmobile, Pontiac
The Four Seasons Evaporator Core 54874 is engineered to restore efficient cooling performance in select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. Designed with precision, this A/C evaporator core ensures proper fitment and reliable operation for models including the Aurora, Bonneville, DeVille, LeSabre, Riviera, and Seville.
- Compatible with Buick Aurora, Cadillac DeVille, Oldsmobile Aurora, Pontiac Bonneville, LeSabre, Riviera, and Seville
- Part number 54874 for exact replacement
- Constructed from durable aluminum with plate and fin design
- Core dimensions approximately 11.125" width, 10.5" height, and 2.875" depth
- Block fitting inlet and outlet for secure connections
- Includes slimline washer O-rings for proper sealing
Four Seasons Evaporator Core Product Line Details
The Four Seasons Evaporator Core line focuses on delivering precise HVAC components that meet or exceed OEM specifications. This product line emphasizes durability and efficient heat exchange, utilizing aluminum plate and fin construction to optimize cooling performance. The 54874 evaporator core is part of this line, designed specifically for select GM vehicles to ensure compatibility and long-lasting operation.
Product Specifications and Features
This A/C evaporator core features a plate and fin design made from aluminum, providing effective heat transfer and corrosion resistance. The core measures approximately 11.125 inches in width, 10.5 inches in height, and 2.875 inches in depth (73.025 mm core depth). Both the inlet and outlet fittings use block fitting types, ensuring a secure and leak-free connection. The product includes two slimline washer O-rings (part numbers 24402 and 24404) to maintain a proper seal during installation.
Common Applications and Problem Resolution
- Restores cooling efficiency in Buick Aurora and Pontiac Bonneville A/C systems
- Replaces leaking or clogged evaporator cores in Cadillac DeVille and Oldsmobile Aurora
- Eliminates unpleasant odors caused by mold buildup inside the evaporator
- Resolves insufficient cabin cooling in Pontiac LeSabre and Riviera models
- Prevents refrigerant leaks and maintains system pressure
Installation Notes and Tips
When installing the Four Seasons Evaporator Core 54874, ensure the vehicle’s HVAC system is properly evacuated and flushed to remove contaminants. Verify the block fitting inlet and outlet connections are clean and free of debris before attaching the new core. Replace the included slimline washer O-rings to prevent leaks. It is recommended to inspect the entire A/C system for additional wear or damage during installation.
Quality Assurance and Warranty
Four Seasons manufactures this evaporator core to meet strict quality standards, using corrosion-resistant aluminum and precision fittings. The product is designed to match OEM specifications for fit and function. While specific warranty details are not provided here, Four Seasons typically offers a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
|---|---|
| Part Number | 54874 |
| Position | Evaporator Core |
| Core Depth Fraction | 2-7/8 |
| Core Depth MM | 73.025 |
| Core Height Fraction | 10-1/2 |
| Core Height MM | 266.700 |
| Core Width Fraction | 11-1/8 |
| Core Width MM | 279.400 |
| Depth | 2.875 |
| Depth | 3.000 |
| Description | Evaporator Cores |
| Height | 10.500 |
| Height | 10.750 |
| Inlet Fitting Type | Block Fitting |
| Material | Aluminum |
| O-Ring A Number/Desc | [24402] / Slimline Washer |
| O-Ring B Number/Desc | [24404] / Slimline Washer |
| Outlet Fitting Type | Block Fitting |
| Type | Plate & Fin |
| Width | 11.000 |
| Width | 11.125 |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 2005 | Cadillac | DeVille | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2005 | Pontiac | Bonneville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2004 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 2004 | Cadillac | DeVille | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2004 | Cadillac | Seville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2004 | Pontiac | Bonneville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2003 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 2003 | Cadillac | DeVille | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2003 | Cadillac | Seville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2003 | Oldsmobile | Aurora | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2003 | Pontiac | Bonneville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2002 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 2002 | Cadillac | DeVille | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2002 | Cadillac | Seville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2002 | Oldsmobile | Aurora | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2002 | Pontiac | Bonneville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2001 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 2001 | Cadillac | DeVille | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2001 | Cadillac | Seville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2001 | Oldsmobile | Aurora | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2001 | Pontiac | Bonneville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2000 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 2000 | Cadillac | DeVille | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2000 | Cadillac | Seville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 2000 | Pontiac | Bonneville | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 1999 | Buick | Riviera | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 1999 | Oldsmobile | Aurora | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 1998 | Buick | Riviera | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 1998 | Oldsmobile | Aurora | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 1997 | Buick | Riviera | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 1997 | Oldsmobile | Aurora | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 1996 | Buick | Riviera | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 1996 | Oldsmobile | Aurora | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 1995 | Buick | Riviera | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |||
| 1995 | Oldsmobile | Aurora | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.