OE Quality
60-Day Returns

Four Seasons 98738 HVAC Heater Core
Reliable Four Seasons Heater Core for Efficient Cabin Heating
The Four Seasons Heater Core 98738 is designed to restore your vehicle's heating system performance. Engineered with durable aluminum construction, this heater core ensures consistent heat transfer and long-lasting operation for compatible makes and models.
- Core dimensions: 7-3/4 inches length, 6 inches width, 2 inches thickness
- Constructed from corrosion-resistant aluminum material
- Core depth and height precisely 2.000 and 7.750 inches respectively
- Standard 0.625 inch (15.875 mm) inlet and outlet tubes
- Meets or exceeds OEM specifications for reliable fit and function
Four Seasons Heater Core Product Line Overview
The Four Seasons Heater Core line focuses on delivering quality HVAC components that meet OEM standards. This aluminum heater core model 98738 is part of that line, offering a balance of durability and efficient heat exchange. The product line is tailored to provide dependable heating solutions for a variety of vehicle HVAC systems without adjustable pipe positioning.
Detailed Product Description and Specifications
This HVAC heater core features an aluminum core material that provides excellent thermal conductivity and resistance to corrosion. The core measures 7.75 inches in height, 6 inches in width, and 2 inches in thickness, making it suitable for specific vehicle applications requiring these dimensions. Both inlet and outlet tubes are 0.625 inches in diameter, ensuring compatibility with standard HVAC hose connections. The Four Seasons part number 98738 is engineered to meet or exceed OEM requirements, ensuring proper fitment and reliable operation in compatible vehicles.
Common Applications and Problem Resolution
- Restores heating performance in vehicles with insufficient cabin heat
- Replaces leaking or clogged heater cores causing coolant loss
- Eliminates fogging or moisture buildup inside the vehicle cabin
- Prevents engine overheating related to heater core failure
- Addresses heater core corrosion and internal blockages
Installation Notes and Tips
When installing the Four Seasons Heater Core 98738, ensure the vehicle’s cooling system is properly drained before removal. Verify hose connections match the 0.625 inch tube diameter for a secure fit. Since this model does not feature adjustable pipe positioning, confirm alignment with existing HVAC plumbing. Proper sealing and hose clamp tightening are essential to prevent leaks and maintain system pressure.
Quality Assurance and Warranty Information
Four Seasons heater cores are manufactured to meet or exceed OEM standards, providing reliable performance and durability. Part number 98738 undergoes rigorous quality control to ensure consistent fit and function. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship to support long-term use.
| Brand | Four Seasons |
| Part Number | 98738 |
| Length | 7-3/4 |
| Thickness | 2 |
| Width | 6 |
| Core Material | Aluminum |
| Adjustable Pipe Positioning | No |
| Core Depth IN | 2.000 |
| Core Height IN | 7.750 |
| Core Width IN | 6.000 |
| Description | Heater cores |
| Meets / Exceeds OEM? | Yes |
| Style | Aluminum heater core |
| Tube 1 IN | 0.625 |
| Tube 1 MM | 15.875 |
| Tube 2 IN | 0.625 |
| Tube 2 MM | 15.875 |
| Type | Heater core /aluminum |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* 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.