OE Quality
60-Day Returns

Four Seasons 54429 A/C Evaporator Core
Overview of Four Seasons Evaporator Core 54429
The Four Seasons Evaporator Core 54429 is designed to restore efficient cooling performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This A/C evaporator core is engineered to meet OEM specifications, ensuring reliable operation in models such as the Cutlass, Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, and Regal.
- Compatible with Buick, Chevrolet, Oldsmobile, and Pontiac models including Cutlass, Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, and Regal
- Part number 54429 for precise identification and fitment
- Constructed from durable aluminum material for corrosion resistance and heat transfer efficiency
- Plate and fin design enhances cooling performance
- Block fitting inlet and outlet connections for secure installation
- Dimensions: approximately 13.367 inches width, 10 inches height, and 2.9 inches depth
- Includes green O-rings [24628] and [24642] for proper sealing
Four Seasons Evaporator Core Product Line Details
The Four Seasons Evaporator Core product line focuses on delivering reliable HVAC components that meet or exceed original equipment standards. The 54429 evaporator core features a plate and fin construction, which optimizes airflow and heat exchange within the vehicle’s air conditioning system. This product line emphasizes durability and precise fitment, making it suitable for a range of GM vehicles requiring efficient cabin cooling solutions.
Product Specifications and Features
This A/C evaporator core measures approximately 13.367 inches in width, 10 inches in height, and has a depth close to 2.9 inches (73.025 mm core depth). It utilizes block fitting types for both inlet and outlet connections, ensuring compatibility with factory HVAC lines. The aluminum construction provides effective heat dissipation and resistance to corrosion, which is critical for long-term performance. Included green O-rings [24628] and [24642] help maintain a secure, leak-free seal during installation.
Common Applications and Problem Resolution
- Restores proper cooling function in Buick Cutlass and Cutlass Supreme A/C systems
- Replaces faulty evaporator cores causing reduced airflow or warm air in Chevrolet Lumina and Monte Carlo
- Addresses refrigerant leaks and corrosion issues in Oldsmobile and Pontiac Regal HVAC units
- Eliminates unpleasant odors and moisture buildup inside the vehicle cabin
- Improves overall air conditioning efficiency and comfort
Installation Notes and Tips
When installing the Four Seasons Evaporator Core 54429, ensure the HVAC system is fully evacuated and free of contaminants before replacement. Use the included green O-rings to maintain a proper seal on the block fittings. Verify fitment compatibility with your specific Buick, Chevrolet, Oldsmobile, or Pontiac model prior to installation. Proper handling of the aluminum core is recommended to avoid damage to the fins or connections.
Quality Assurance and Warranty
Four Seasons products are manufactured to meet stringent quality standards, providing reliable performance in automotive HVAC systems. The Evaporator Core 54429 is backed by Four Seasons’ quality assurance protocols. Please refer to Four Seasons’ official warranty documentation for specific coverage details.
| Brand | Four Seasons |
|---|---|
| Part Number | 54429 |
| Position | Evaporator Core |
| Core Depth Fraction | 2-7/8 |
| Core Depth MM | 73.025 |
| Core Height Fraction | 10 |
| Core Height MM | 254.000 |
| Core Width Fraction | 7-1/2 |
| Core Width MM | 190.500 |
| Depth | 2.875 |
| Depth | 2.906 |
| Description | Evaporator Cores |
| Height | 10.000 |
| Inlet Fitting Type | Block Fitting |
| Material | Aluminum |
| O-Ring A Number/Desc | [24628] / Green O-Ring |
| O-Ring B Number/Desc | [24642] / Green O-Ring |
| Outlet Fitting Type | Block Fitting |
| Type | Plate & Fin |
| Width | 7.500 |
| Width | 13.367 |
This part fits 77 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2001 | Chevrolet | Lumina | N/A | Evaporator Core | ||||
| 2000 | Chevrolet | Lumina | N/A | Evaporator Core | ||||
| 1999 | Chevrolet | Lumina | N/A | Evaporator Core | ||||
| 1999 | Chevrolet | Monte Carlo | N/A | Evaporator Core | ||||
| 1998 | Chevrolet | Lumina | N/A | Evaporator Core | ||||
| 1998 | Chevrolet | Monte Carlo | N/A | Evaporator Core | ||||
| 1997 | Chevrolet | Lumina | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1997 | Chevrolet | Monte Carlo | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1997 | Oldsmobile | Cutlass | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1997 | Oldsmobile | Cutlass Supreme | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1996 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Evaporator Core | |
| 1996 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Evaporator Core | |
| 1996 | Buick | Regal | Sedan | 3.1L | V6 | N/A | Evaporator Core | |
| 1996 | Buick | Regal | Coupe | 3.1L | V6 | N/A | Evaporator Core | |
| 1996 | Chevrolet | Lumina | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1996 | Chevrolet | Monte Carlo | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1996 | Oldsmobile | Cutlass | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1996 | Oldsmobile | Cutlass Supreme | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1996 | Pontiac | Grand Prix | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1995 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Evaporator Core | |
| 1995 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Evaporator Core | |
| 1995 | Buick | Regal | Sedan | 3.1L | V6 | N/A | Evaporator Core | |
| 1995 | Buick | Regal | Coupe | 3.1L | V6 | N/A | Evaporator Core | |
| 1995 | Chevrolet | Lumina | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1995 | Chevrolet | Monte Carlo | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1995 | Oldsmobile | Cutlass | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1995 | Oldsmobile | Cutlass Supreme | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1995 | Pontiac | Grand Prix | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1994 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Evaporator Core | |
| 1994 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Evaporator Core | |
| 1994 | Buick | Regal | Sedan | 3.1L | V6 | N/A | Evaporator Core | |
| 1994 | Buick | Regal | Coupe | 3.1L | V6 | N/A | Evaporator Core | |
| 1994 | Chevrolet | Lumina | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1994 | Oldsmobile | Cutlass | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1994 | Oldsmobile | Cutlass Supreme | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1994 | Pontiac | Grand Prix | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1993 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Evaporator Core | |
| 1993 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Evaporator Core | |
| 1993 | Buick | Regal | Sedan | 3.1L | V6 | N/A | Evaporator Core | |
| 1993 | Buick | Regal | Coupe | 3.1L | V6 | N/A | Evaporator Core | |
| 1993 | Chevrolet | Lumina | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1993 | Oldsmobile | Cutlass | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1993 | Oldsmobile | Cutlass Supreme | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1993 | Pontiac | Grand Prix | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1992 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Evaporator Core | |
| 1992 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Evaporator Core | |
| 1992 | Buick | Regal | Sedan | 3.1L | V6 | N/A | Evaporator Core | |
| 1992 | Buick | Regal | Coupe | 3.1L | V6 | N/A | Evaporator Core | |
| 1992 | Chevrolet | Lumina | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1992 | Oldsmobile | Cutlass | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1992 | Oldsmobile | Cutlass Supreme | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1992 | Pontiac | Grand Prix | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1991 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Evaporator Core | |
| 1991 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Evaporator Core | |
| 1991 | Buick | Regal | Sedan | 3.1L | V6 | N/A | Evaporator Core | |
| 1991 | Buick | Regal | Coupe | 3.1L | V6 | N/A | Evaporator Core | |
| 1991 | Chevrolet | Lumina | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1991 | Oldsmobile | Cutlass | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1991 | Oldsmobile | Cutlass Supreme | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1991 | Pontiac | Grand Prix | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 1990 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Evaporator Core | |
| 1990 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Evaporator Core | |
| 1990 | Buick | Regal | Sedan | 3.1L | V6 | N/A | Evaporator Core | |
| 1990 | Buick | Regal | Coupe | 3.1L | V6 | N/A | Evaporator Core | |
| 1990 | Chevrolet | Lumina | N/A | Evaporator Core | ||||
| 1990 | Oldsmobile | Cutlass | N/A | Evaporator Core | ||||
| 1990 | Oldsmobile | Cutlass Supreme | N/A | Evaporator Core | ||||
| 1990 | Pontiac | Grand Prix | N/A | Evaporator Core | ||||
| 1989 | Buick | Regal | Coupe | 3.1L | V6 | N/A | Evaporator Core | |
| 1989 | Buick | Regal | Coupe | 2.8L | V6 | N/A | Evaporator Core | |
| 1989 | Oldsmobile | Cutlass | N/A | Evaporator Core | ||||
| 1989 | Oldsmobile | Cutlass Supreme | N/A | Evaporator Core | ||||
| 1989 | Pontiac | Grand Prix | N/A | Evaporator Core | ||||
| 1988 | Buick | Regal | Coupe | 2.8L | V6 | N/A | Evaporator Core | |
| 1988 | Oldsmobile | Cutlass | FWD | 2.8L | V6 | N/A | Evaporator Core | |
| 1988 | Oldsmobile | Cutlass Supreme | FWD | 2.8L | V6 | N/A | Evaporator Core | |
| 1988 | Pontiac | Grand Prix | N/A | 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.