HomeHVAC > Motors, Core, Case and Related ComponentsSpectra 94789 HVAC Heater Core
Part #: 94789

Spectra 94789 HVAC Heater Core

10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Geo and Toyota, Corolla and Prizm
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Spectra 94789 HVAC Heater Core

The Spectra 94789 HVAC heater core is an OE-style replacement for select 1993-1997 Geo Prizm and Toyota Corolla applications. Built with Spectra Premium manufacturing controls, it is engineered to meet or exceed original equipment performance for dependable cabin heat.

Key Features

  • Direct-fit HVAC heater core for select compact car applications
  • Engineered to match original equipment performance targets
  • Manufactured with controlled quality processes for consistent fit and function
  • Fits 1993-1997 Geo Prizm, N/A, except Cold Region Package
  • Fits 1993-1997 Toyota Corolla, N/A, except Cold Region Package
  • Part number 94789 for easy catalog lookup and ordering

Detailed Description

This heater core is built for drivers servicing the heating system in a 1993-1997 Toyota Corolla or 1993-1997 Geo Prizm. Spectra Premium uses engineering, manufacturing technology, and quality control to produce a replacement heater core that aligns with original equipment performance expectations. Part number 94789 is a practical choice when restoring heat output in vehicles that do not use the Cold Region Package.

This part cross-references OSC 98789 for the same application.

Common Issues It May Solve

  • Weak or uneven cabin heat
  • Coolant odor inside the passenger compartment
  • Fogging caused by heater core leakage
  • Loss of heater performance from internal blockage or corrosion
  • Coolant seepage behind the dashboard

Installation Notes and Tips

Verify vehicle year, make, model, and heater package before installation. This heater core fits 1993-1997 Geo Prizm and 1993-1997 Toyota Corolla, except Cold Region Package applications. Because heater core replacement often requires dashboard access, inspect hoses, clamps, and coolant condition during service.

Quality Assurance

Spectra Premium states that its engineering, manufacturing technology, and quality control help these HVAC heater cores meet or exceed original equipment performance.

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
1997GeoPrizmN/AExcept Cold Region Package
1997ToyotaCorollaN/AExcept Cold Region Package
1996GeoPrizmN/AExcept Cold Region Package
1996ToyotaCorollaN/AExcept Cold Region Package
1995GeoPrizmN/AExcept Cold Region Package
1995ToyotaCorollaN/AExcept Cold Region Package
1994GeoPrizmN/AExcept Cold Region Package
1994ToyotaCorollaN/AExcept Cold Region Package
1993GeoPrizmN/AExcept Cold Region Package
1993ToyotaCorollaN/AExcept Cold Region Package

* 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:

15600832796463982863992006603625833187107124809010390917899485628298789H79646HTR010394

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