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Four Seasons 98578 HVAC Heater Core
| Brand | Four Seasons 98578 |
|---|---|
| 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 |
| Product line | Heater Core |
| Fits | Ford and Mercury · 3 vehicles |
OE direct replacement. Meets OEM requirements for a straightforward replacement.
Copper/brass construction. Helps deliver efficient heat transfer in the HVAC system.
Heater core. A direct-fit HVAC core for restoring cabin heat.
Cross-references ACI 399001, AMS Automotive 6852 and Anchor 9039 for the same application. See all 34.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Heater Core for 1968 Ford and Mercury
Four Seasons 98578 is a copper/brass HVAC heater core built for direct replacement in select 1968 Ford and Mercury vehicles without air conditioning. It is engineered to meet or exceed OEM requirements and uses a copper core material for dependable heat transfer in the cabin heating system.
Key Features
- Four Seasons Heater Core, part number 98578
- Copper/brass heater core construction
- Core material: copper
- Core dimensions: 6 in. height, 7-5/8 in. width, 1-7/8 in. depth
- Tube size: 0.625 in. / 15.875 mm on both connections
- Meets or exceeds OEM specifications
- Compatible with models that do not have air conditioning
Product Details
This Four Seasons heater core is part of the Heater Core product line and is built for HVAC service where accurate fit and heat transfer matter. The copper/brass style supports efficient coolant-to-air heat exchange, while the listed dimensions and tube sizes help confirm application match before installation. Fits 1968 Ford LTD, N/A; Fits 1968 Mercury Colony Park, N/A; Fits 1968 Mercury Marquis, N/A. This part cross-references Dorman - HELP 90200 for the same application.
Common Problems It Can Address
- Weak or inconsistent cabin heat
- Coolant seepage from a worn heater core
- Restricted heat output caused by internal blockage
- HVAC performance loss in a leaking or corroded core
- Replacement needs during heater system repair on 1968 Ford LTD, Mercury Colony Park, or Mercury Marquis
Installation Notes and Tips
Verify the vehicle is a 1968 Ford LTD, Mercury Colony Park, or Mercury Marquis without air conditioning before ordering. Compare the core height, width, depth, and 0.625 in. tube sizes to the removed unit to confirm fitment. Flush the cooling system and inspect hoses, clamps, and the heater control valve or related HVAC components before installing the new core.
Quality Assurance
Four Seasons lists this heater core as meeting or exceeding OEM requirements, making it a direct-fit replacement option for the specified applications.
| 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 |
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