Spectra 94506 HVAC Heater Core

Spectra 94506 is an HVAC heater core for select GM A-body applications from 1978-1988. It is built for vehicles without air conditioning and is a direct-fit replacement for common Buick, Chevrolet, Oldsmobile, and Pontiac models.

Key Features

• OE-style HVAC heater core replacement for select classic GM vehicles
• Engineered and manufactured to meet or exceed original equipment performance
• Built with quality control processes focused on fit and thermal performance
• Fits applications without air conditioning
• Cross-references Dorman – HELP 94506 for the same application

Vehicle Fitment

• Fits 1978-1988 Chevrolet Monte Carlo, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1987 Buick Regal, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1987 Chevrolet El Camino, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1985-1987 Oldsmobile Cutlass, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1981 Oldsmobile Cutlass, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1985-1987 Oldsmobile Cutlass Salon, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1980 Oldsmobile Cutlass Salon, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1987 Oldsmobile Cutlass Supreme, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1987 Pontiac Grand Prix, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1982-1986 Pontiac Bonneville, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1983 Chevrolet Malibu, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1980-1983 Oldsmobile Cutlass Cruiser, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1983 Pontiac Grand LeMans, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1981 Buick Century, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1981 Oldsmobile Cutlass Calais, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1981 Pontiac LeMans, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1980 Pontiac Grand Am, N/A; compatible with select vehicle models lacking air conditioning.
• Fits 1978-1979 Oldsmobile Custom Cruiser, N/A; compatible with select vehicle models lacking air conditioning.

What It Helps Address

• Weak or inconsistent cabin heat
• Coolant leakage inside the HVAC case
• Restricted coolant flow through the heater circuit
• Reduced defrost performance in cold weather
• Age-related heater core deterioration in classic GM cars

Installation Notes

Verify vehicle equipment before ordering, especially whether the car is equipped without air conditioning. Confirm the heater core shape, inlet and outlet layout, and HVAC case configuration against the original part before installation. On older vehicles such as the Chevrolet Monte Carlo, Buick Regal, and Pontiac Grand Prix, inspect hoses, clamps, and the cooling system for wear before reassembly.

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 parts they replace.