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Four Seasons 90498 HVAC Heater Core
Reliable Aluminum Heater Core for Pontiac Fiero
The Four Seasons Heater Core 90498 is designed specifically for the Pontiac Fiero, providing efficient heating performance and durability. Crafted from aluminum, this heater core ensures effective heat transfer and long-lasting operation in your vehicle's HVAC system.
- Core dimensions: 6.25 inches width, 5.375 inches height, 2 inches depth
- Constructed from lightweight, corrosion-resistant aluminum
- Tube sizes: 0.625 inch (15.88 mm) and 0.75 inch (19.05 mm) for optimal coolant flow
- Compatible with Pontiac Fiero models requiring an aluminum heater core
- Part number 90498 for precise identification and fitment
About the Four Seasons Heater Core Product Line
The Four Seasons Heater Core line focuses on delivering reliable HVAC heater cores made from aluminum, designed to meet or exceed OEM specifications. This product line emphasizes durability and efficient heat exchange, making it suitable for vehicles like the Pontiac Fiero that require dependable heating components.
Product Details and Specifications
This aluminum heater core features a compact design with a core width of 6.25 inches, height of 5.375 inches, and a depth of 2 inches, allowing it to fit precisely within the Pontiac Fiero's HVAC system. The dual tube sizes of 0.625 inch and 0.75 inch facilitate proper coolant circulation, ensuring consistent cabin heating. The aluminum construction offers resistance to corrosion and contributes to the overall longevity of the heater core.
Common Applications and Issues Addressed
- Restores heating functionality in Pontiac Fiero vehicles with failing or leaking heater cores
- Prevents coolant leaks that can cause engine overheating
- Eliminates reduced cabin heat output due to clogged or damaged cores
- Replaces corroded or deteriorated heater cores to maintain HVAC system efficiency
Installation Notes and Tips
When installing the Four Seasons Heater Core 90498, ensure the vehicle is properly drained of coolant to avoid spills. Verify tube connections match the specified sizes (0.625 inch and 0.75 inch) for a secure fit. It is recommended to inspect and replace any worn hoses or clamps during installation to prevent future leaks. Follow the Pontiac Fiero service manual for detailed removal and installation procedures.
Quality Assurance and Warranty
Four Seasons provides this heater core with a focus on quality and durability. Manufactured to meet industry standards, the part number 90498 undergoes rigorous testing to ensure reliable performance. Please refer to Four Seasons' warranty policy for specific coverage details.
| Brand | Four Seasons |
| Part Number | 90498 |
| Position | Heater Core |
| Core Depth IN | 2 |
| Core Height IN | 5.375 |
| Core Width IN | 6.25 |
| Description | Heater cores |
| Material | Aluminum |
| Style | Aluminum heater core |
| Tube 1 IN | 0.625 |
| Tube 1 MM | 15.88 |
| Tube 2 IN | .750 |
| Tube 2 MM | 19.05 |
| Type | Heater core /aluminum |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1988 | Pontiac | Fiero | N/A | New Part; Heater Core |
| 1987 | Pontiac | Fiero | N/A | New Part; Heater Core |
| 1986 | Pontiac | Fiero | N/A | New Part; Heater Core |
| 1985 | Pontiac | Fiero | N/A | New Part; Heater Core |
| 1984 | Pontiac | Fiero | N/A | w/ AC; Heater 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.