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Four Seasons 98578 HVAC Heater Core
Reliable Heater Core Replacement for Ford and Mercury Vehicles
The Four Seasons Heater Core part number 98578 is designed to restore efficient heating performance in select Ford and Mercury models. Engineered with durable copper and brass materials, this heater core ensures consistent heat transfer and long-lasting operation for your vehicle's HVAC system.
- Core dimensions: 6 inches length, 7-5/8 inches width, 1-7/8 inches thickness
- Constructed from copper/brass for enhanced durability and heat conduction
- Core depth of 1.875 inches and core height of 6.000 inches
- Tube diameter: 0.625 inches (15.875 mm) for both 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 providing high-quality HVAC heater cores that meet or exceed original equipment manufacturer standards. This product line emphasizes durable materials such as copper and brass to ensure efficient heat transfer and corrosion resistance. The 98578 heater core is part of this line, offering a direct replacement solution for specific Ford and Mercury vehicles.
Detailed Product Description
This HVAC heater core from Four Seasons features a copper/brass construction that supports effective heat exchange within the vehicle's heating system. With precise core dimensions of 6 inches in length, 7-5/8 inches in width, and 1-7/8 inches in thickness, it fits securely in the designated space. The inlet and outlet tubes both measure 0.625 inches in diameter, matching OEM specifications for seamless integration. The heater core is designed without adjustable pipe positioning, ensuring a straightforward replacement process. Compatible with Ford Colony Park, LTD, and Mercury Marquis models, this part number 98578 is engineered to restore proper cabin heating performance.
Common Issues Addressed by This Heater Core
- Insufficient cabin heat due to clogged or leaking heater core
- Coolant leaks inside the vehicle causing foggy windows or damp carpets
- Overheating engine caused by compromised heater core function
- Unpleasant odors from coolant entering the HVAC system
- Reduced HVAC system efficiency impacting passenger comfort
Installation Notes and Tips
When installing the Four Seasons Heater Core 98578, ensure the vehicle is compatible by verifying the make and model: Ford Colony Park, LTD, or Mercury Marquis. Drain the cooling system before removal to prevent spills. Handle the copper/brass core carefully to avoid damage to the tubes and fins. Since this heater core does not feature adjustable pipe positioning, align the inlet and outlet tubes precisely with the vehicle’s HVAC connections. Refill and bleed the cooling system after installation to avoid air pockets and ensure optimal heating performance.
Quality Assurance and Warranty
The Four Seasons Heater Core 98578 meets or exceeds OEM standards, providing reliable performance and durability. Manufactured with corrosion-resistant copper and brass materials, this heater core is built to withstand typical automotive operating conditions. While specific warranty details are not provided, Four Seasons products generally come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 98578 |
| Position | Heater Core |
| Length | 6 |
| Thickness | 1-7/8 |
| Width | 7-5/8 |
| Core Material | Copper |
| Adjustable Pipe Positioning | No |
| Core Depth IN | 1.875 |
| Core Height IN | 6.000 |
| Core Width IN | 7.625 |
| 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 | 0.625 |
| Tube 2 MM | 15.875 |
| Type | Heater core /copper brass |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1968 | Ford | LTD | N/A | Compatible with models that do not have air conditioning.; Heater Core |
| 1968 | Mercury | Colony Park | N/A | Compatible with models that do not have air conditioning.; Heater Core |
| 1968 | Mercury | Marquis | 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.