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Four Seasons 91499 HVAC Heater Core
Reliable Heater Core Replacement for Pontiac Fiero
The Four Seasons Heater Core 91499 is designed specifically for the Pontiac Fiero, providing efficient heating performance and durability. This copper/brass heater core meets or exceeds OEM standards to ensure proper fit and function in your vehicle's HVAC system.
- Core dimensions: 6-1/4 inches length, width, and height
- Core thickness and depth: 2 inches
- Constructed from durable copper and brass materials
- Tube sizes: 0.625 inch (15.875 mm) and 0.750 inch (19.05 mm)
- Non-adjustable pipe positioning for direct OEM replacement
- Compatible with Pontiac Fiero models
Four Seasons Heater Core Product Line Overview
The Four Seasons Heater Core line focuses on delivering reliable HVAC heater cores that meet or exceed original equipment manufacturer specifications. The 91499 model is part of this line, featuring copper/brass construction for enhanced heat transfer and corrosion resistance. This product line is engineered to provide consistent heating performance and long service life for vehicles like the Pontiac Fiero.
Detailed Product Description
This HVAC heater core from Four Seasons is built with a copper core and brass components, offering efficient heat exchange and durability. The core measures 6.25 inches in length, width, and height, with a thickness and depth of 2 inches, ensuring a precise fit for the Pontiac Fiero. The heater core includes two tubes sized at 0.625 inch and 0.750 inch, designed for seamless integration with the vehicle's heating system. The pipe positioning is fixed, matching the original equipment layout for straightforward replacement.
Common Applications and Issues Addressed
- Restores heating function in Pontiac Fiero HVAC systems
- Resolves coolant leaks within the heater core
- Eliminates reduced cabin heat output due to clogged or damaged cores
- Prevents overheating caused by inefficient heat exchange
- Replaces corroded or deteriorated OEM heater cores
Installation Notes and Tips
When installing the Four Seasons Heater Core 91499, ensure the vehicle is cooled and the cooling system is properly drained before removal. The fixed pipe positioning requires alignment with existing HVAC hoses for a direct fit. Inspect all connections and seals during installation to prevent leaks. Follow the Pontiac Fiero service manual for detailed removal and installation procedures.
Quality Assurance and Warranty
The Four Seasons Heater Core 91499 is manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. This part undergoes rigorous quality control to maintain consistent standards. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 91499 |
| Position | Heater Core |
| Length | 6-1/4 |
| Thickness | 2 |
| Width | 6-1/4 |
| Core Material | Copper |
| Adjustable Pipe Positioning | No |
| Core Depth IN | 2.000 |
| Core Height IN | 6.250 |
| Core Width IN | 6.250 |
| Description | Heater cores |
| Meets / Exceeds OEM? | Yes |
| Style | Copper/brass heater core |
| Tube 1 IN | 0.625 |
| Tube 1 MM | 15.875 |
| Tube 2 IN | 0.750 |
| Tube 2 MM | 19.050 |
| Type | Heater core /copper brass |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1988 | Pontiac | Fiero | N/A | Compatible with models that do not have air conditioning.; Heater Core |
| 1987 | Pontiac | Fiero | N/A | Compatible with models that do not have air conditioning.; Heater Core |
| 1986 | Pontiac | Fiero | N/A | Compatible with models that do not have air conditioning.; Heater Core |
| 1985 | Pontiac | Fiero | N/A | Compatible with models that do not have air conditioning.; Heater Core |
| 1984 | Pontiac | Fiero | N/A | Compatible with models that do not have air conditioning.; 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.