Spectra 94778 HVAC Heater Core

Spectra 94778 HVAC Heater Core

The Spectra 94778 HVAC heater core is a direct-fit replacement for select GM full-size cars and chassis applications. Built for dependable cabin heat transfer, it supports restoration and repair work on vehicles such as the Buick Roadmaster, Chevrolet Caprice, and Chevrolet Impala.

Key Features

• HVAC heater core for the heating system
• Engineered to meet or exceed original equipment performance
• Manufactured with Spectra Premium quality control standards
• Direct replacement for select 1993-1996 Cadillac, Chevrolet, and Buick applications
• Cross-references Four Seasons 90778 and APDI 9010254 for the same application

Detailed Description

Spectra Premium part number 94778 is an HVAC heater core designed for select 1993-1996 Cadillac Commercial Chassis, Cadillac Fleetwood, Cadillac 60 Special, Chevrolet Commercial Chassis, Chevrolet Caprice, Chevrolet Impala, and Buick Roadmaster applications. It is built using manufacturing technology and quality control processes intended to deliver OE-level heating performance and fitment consistency. For buyers searching for a heater core for 1994-1996 Chevrolet Caprice or 1994-1996 Buick Roadmaster heating repair, this part number is a direct replacement option.

What It Helps Fix

• Weak or uneven cabin heat
• Coolant odor inside the vehicle
• Fogging caused by heater core leakage
• Loss of heater performance in winter driving
• Cooling system leaks at the heater core assembly

Installation Notes and Tips

Verify the vehicle year, make, and model before installation. Confirm the HVAC case configuration and compare the removed unit to Spectra 94778 prior to assembly. Because heater core replacement often requires access to the HVAC housing, inspect related seals, hoses, and coolant condition during service.

Quality Assurance

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