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Spectra 94575 HVAC Heater CoreOE Quality 60-Day Returns
Part #: 94575

Spectra 94575 HVAC Heater Core

34 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford and Mercury, Bronco, Cougar, F-100, F-150, F-250, F-350, and Mustang
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Spectra 94575 HVAC Heater Core

The Spectra 94575 HVAC heater core is a direct-fit replacement for classic Ford and Mercury applications that need dependable cabin heat. Built for vehicles with and without air conditioning in select fitments, it supports OE-style performance for restoration and repair work.

  • Heater core for HVAC heating system service
  • Fits select 1965-1968 Ford Mustang and Mercury Cougar applications
  • Also fits 1973-1979 Ford F-100, F-250, and F-350 with A/C and standard output heater
  • Fits 1975-1979 Ford F-150 with A/C and standard output heater
  • Fits 1978-1979 Ford Bronco with or without A/C
  • Cross-references Four Seasons 96123 for the same application

Detailed Fitment and Function

This Spectra Premium heater core is engineered and manufactured with quality control processes aimed at matching or exceeding original equipment performance. It is used in the HVAC system to transfer heat into the passenger compartment, making it a practical replacement for aging or leaking heater cores on Ford Bronco, Ford Mustang, Ford F-Series trucks, and Mercury Cougar models. Part number 94575 is a strong search match for restorations and maintenance on 1965-1968 Ford Mustang, 1967-1968 Mercury Cougar, and late-1970s Ford truck applications.

Common Problems It Can Help Solve

  • Weak or inconsistent cabin heat
  • Coolant odor inside the vehicle
  • Heater core leakage
  • Restricted heat transfer from corrosion or internal buildup
  • HVAC performance loss in older Ford and Mercury vehicles

Installation Notes and Tips

Verify the vehicle’s year, engine, and HVAC configuration before ordering, since fitment varies by model and air conditioning setup. Compare the original heater core dimensions and hose connections to the replacement part before installation. On older vehicles, inspect hoses, clamps, and the HVAC case for wear or corrosion while the system is open.

Quality Assurance

Spectra Premium states that its engineering, manufacturing technology, and quality control are used to produce heater cores that meet or exceed original equipment performance for the applications they replace.

This part fits 34 vehicles. Search below:

YearMakeModelPositionNotes
1979FordBroncoN/Aw/ Or w/o A/C
1979FordF-100N/Aw/ A/C; Standard Output Heater
1979FordF-150N/Aw/ A/C; Standard Output Heater
1979FordF-250N/Aw/ A/C; Standard Output Heater
1979FordF-350N/Aw/ A/C; Standard Output Heater
1978FordBroncoN/Aw/ Or w/o A/C
1978FordF-100N/Aw/ A/C; Standard Output Heater
1978FordF-150N/Aw/ A/C; Standard Output Heater
1978FordF-250N/Aw/ A/C; Standard Output Heater
1978FordF-350N/Aw/ A/C; Standard Output Heater
1977FordF-100N/Aw/ A/C; Standard Output Heater
1977FordF-150N/Aw/ A/C; Standard Output Heater
1977FordF-250N/Aw/ A/C; Standard Output Heater
1977FordF-350N/Aw/ A/C; Standard Output Heater
1976FordF-100N/Aw/ A/C; Standard Output Heater
1976FordF-150N/Aw/ A/C; Standard Output Heater
1976FordF-250N/Aw/ A/C; Standard Output Heater
1976FordF-350N/Aw/ A/C; Standard Output Heater
1975FordF-100N/Aw/ A/C; Standard Output Heater
1975FordF-150N/Aw/ A/C; Standard Output Heater
1975FordF-250N/Aw/ A/C; Standard Output Heater
1975FordF-350N/Aw/ A/C; Standard Output Heater
1974FordF-100N/Aw/ A/C; Standard Output Heater
1974FordF-250N/Aw/ A/C; Standard Output Heater
1974FordF-350N/Aw/ A/C; Standard Output Heater
1973FordF-100N/Aw/ A/C; Standard Output Heater
1973FordF-250N/Aw/ A/C; Standard Output Heater
1973FordF-350N/Aw/ A/C; Standard Output Heater
1968FordMustangN/ACompatible with select vehicle models lacking air conditioning for this HVAC Heater Core.
1968MercuryCougarN/ACompatible with select vehicle models lacking air conditioning for this HVAC Heater Core.
1967FordMustangN/ACompatible with select vehicle models lacking air conditioning for this HVAC Heater Core.
1967MercuryCougarN/ACompatible with select vehicle models lacking air conditioning for this HVAC Heater Core.
1966FordMustangN/A
1965FordMustangN/A

* 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:

12011811332215022222793183000398304399022660300070215090100459010432902290220938218961239857598575AC5DZ18476AD3TZ18476AH2222HTR010221REA1811332

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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