Four Seasons 98580A HVAC Heater Core
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Four Seasons
 Heater Core

Four Seasons 98580A HVAC Heater Core

Brand Four Seasons 98580A
Length 6
Thickness 2
Width 9-3/4
Core Material Aluminum
Adjustable Pipe Positioning No
Core Depth IN 2.000
Core Height IN 6.000
Core Width IN 9.750
Description Heater cores
Meets / Exceeds OEM? Yes
Style Aluminum heater core
Tube 1 IN 0.625
Tube 1 MM 15.875
Tube 2 IN 0.750
Tube 2 MM 19.050
Type Heater core /aluminum
Product line Heater Core
Fits Ford and Mercury · 32 vehicles

OE direct replacement. Meets or exceeds OEM requirements for a straightforward replacement.

Aluminum core. Lightweight construction helps transfer heat efficiently.

Heater core. Built as an HVAC heater core for dependable cabin heat.

Cross-references Anchor 9031, APDI 9010325 and Four Seasons 98580 for the same application. See all 21.

$57.30Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all HVAC Heater Core options

Four Seasons 98580A Heater Core Overview

Four Seasons 98580A is an aluminum HVAC heater core built for direct replacement service in select Ford and Mercury applications. It measures 6 inches high, 9-3/4 inches wide, and 2 inches deep, with 0.625-inch and 0.750-inch tube sizes for the listed fitments.

Compatible With 1969-1976 Ford LTD, 1969-1976 Mercury Marquis, 1969-1974 Mercury Colony Park, and 1975-1976 Mercury Grand Marquis models without air conditioning. Four Seasons 98580A is an OE-style heater core for restoring cabin heat performance in these vehicles.

Key Features

  • Aluminum heater core construction
  • Core dimensions: 6 in. x 9-3/4 in. x 2 in.
  • Tube sizes: 0.625 in. and 0.750 in.
  • Meets or exceeds OEM requirements
  • Direct-fit HVAC heater core for listed Ford and Mercury applications
  • Four Seasons heater core part number 98580A

Detailed Description

This Four Seasons heater core is part of the Heater Core product line and is engineered as an aluminum replacement for the HVAC system. The compact core size and tube dimensions are matched to the specified vehicles, helping restore heat transfer through the cabin heater circuit. Four Seasons 98580A is listed for Ford LTD, Mercury Marquis, Mercury Colony Park, and Mercury Grand Marquis models that do not have air conditioning. This part cross-references Gates 2210 for the same application.

What It Helps Address

  • Weak or uneven cabin heat output
  • Coolant leakage from a worn heater core
  • Restricted heat transfer inside the HVAC system
  • Fogging or defrost performance issues caused by poor heater operation
  • Replacement needs during HVAC service on older Ford and Mercury vehicles

Installation Notes and Tips

Verify vehicle equipment before ordering, especially the no-air-conditioning configuration noted in the fitment data. Confirm tube orientation, core dimensions, and hose connection sizes against the original unit before installation. Proper cooling system service and leak checks should be completed after replacement to confirm normal heater operation.

Quality Assurance

Four Seasons 98580A is listed as meeting or exceeding OEM requirements for the specified applications. The aluminum construction supports consistent heat exchange in the HVAC system and is intended for direct replacement use in the listed Ford and Mercury models.

Related reading

This part fits 32 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
1976FordLTD—N/ACompatible with models that do not have air conditioning.; Heater Core
1976FordLTDBaseN/ACompatible with models that do not have air conditioning.; Heater Core
1976FordLTDLandauN/ACompatible with models that do not have air conditioning.; Heater Core
1976FordLTDBroughamN/ACompatible with models that do not have air conditioning.; Heater Core
1976MercuryGrand Marquis—N/ACompatible with models that do not have air conditioning.; Heater Core
1976MercuryMarquisBaseN/ACompatible with models that do not have air conditioning.; Heater Core
1976MercuryMarquisBroughamN/ACompatible with models that do not have air conditioning.; Heater Core
1975FordLTD—N/ACompatible with models that do not have air conditioning.; Heater Core
1975FordLTDBaseN/ACompatible with models that do not have air conditioning.; Heater Core
1975FordLTDLandauN/ACompatible with models that do not have air conditioning.; Heater Core
1975FordLTDBroughamN/ACompatible with models that do not have air conditioning.; Heater Core
1975MercuryGrand Marquis—N/ACompatible with models that do not have air conditioning.; Heater Core
1975MercuryMarquisBaseN/ACompatible with models that do not have air conditioning.; Heater Core
1975MercuryMarquisBroughamN/ACompatible with models that do not have air conditioning.; Heater Core
1974FordLTD—N/ACompatible with models that do not have air conditioning.; Heater Core
1974MercuryColony Park—N/ACompatible with models that do not have air conditioning.; Heater Core
1974MercuryMarquis—N/ACompatible with models that do not have air conditioning.; Heater Core
1973FordLTD—N/ACompatible with models that do not have air conditioning.; Heater Core
1973MercuryColony Park—N/ACompatible with models that do not have air conditioning.; Heater Core
1973MercuryMarquis—N/ACompatible with models that do not have air conditioning.; Heater Core
1972FordLTD—N/ACompatible with models that do not have air conditioning.; Heater Core
1972MercuryColony Park—N/ACompatible with models that do not have air conditioning.; Heater Core
1972MercuryMarquis—N/ACompatible with models that do not have air conditioning.; Heater Core
1971FordLTD—N/ACompatible with models that do not have air conditioning.; Heater Core
1971MercuryColony Park—N/ACompatible with models that do not have air conditioning.; Heater Core
1971MercuryMarquis—N/ACompatible with models that do not have air conditioning.; Heater Core
1970FordLTD—N/ACompatible with models that do not have air conditioning.; Heater Core
1970MercuryColony Park—N/ACompatible with models that do not have air conditioning.; Heater Core
1970MercuryMarquis—N/ACompatible with models that do not have air conditioning.; Heater Core
1969FordLTD—N/ACompatible with models that do not have air conditioning.; Heater Core
1969MercuryColony Park—N/ACompatible with models that do not have air conditioning.; Heater Core
1969MercuryMarquis—N/ACompatible with models that do not have air conditioning.; Heater Core
Directly replaces or cross-references 21 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 9031APDI — 9010325Four Seasons — 98580Four Seasons — 98580AGates — 2210Global Parts Distributors LLC — 18120629031094580279309399031554580609313702210660355882312878231675C9AZ18476AFM9021FM9031H1002HT399031