Spectra 94501 HVAC Heater Core

Spectra 94501 HVAC Heater Core

The Spectra 94501 HVAC heater core is a direct-fit replacement for select full-size GM and Cadillac applications from 1977-1992. It is built to meet or exceed original equipment performance for dependable cabin heat and consistent HVAC operation.

Key Features

• HVAC heater core for select Cadillac, Buick, Chevrolet, Oldsmobile, and Pontiac vehicles
• OE-style replacement engineered for factory fit and function
• Built with manufacturing controls and quality checks to support reliable heat transfer
• Fits applications equipped with air conditioning where noted in the fitment data
• Part number 94501 for easy catalog matching and service lookup

Detailed Description

Spectra Premium HVAC heater cores are engineered with manufacturing technology and quality control processes that support OE-level performance in the vehicles they replace. This heater core is listed for a wide range of classic GM platforms, including 1977-1985 Chevrolet Impala, 1977-1990 Chevrolet Caprice, 1977-1986 Cadillac Fleetwood, 1977-1984 Cadillac DeVille, 1987-1992 Cadillac Brougham, and related Buick, Oldsmobile, and Pontiac models. The Spectra 94501 is a practical choice when restoring or repairing the heater circuit in vehicles that rely on stable coolant-to-air heat exchange.

This part cross-references Four Seasons 98501 and UAC HT399078C for the same application.

What It Helps Address

• Weak or uneven cabin heat
• Coolant seepage from a failing heater core
• Restricted heat output caused by internal blockage
• Fogging or dampness from heater core leakage
• HVAC performance loss in older GM heating systems

Installation Notes and Tips

Verify vehicle year, make, model, and air conditioning configuration against the fitment list before installation. On many of these applications, heater core replacement requires access through the HVAC case, so inspect hoses, seals, and related components during service. Confirm the cooling system is clean and properly filled after installation to help prevent air pockets and repeat heating issues.

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.

• Fits 1977-1990 Buick LeSabre, Compatible with vehicles equipped with air conditioning.
• Fits 1977-1978 Buick Riviera, Compatible with vehicles equipped with air conditioning.
• Fits 1977-1986 Cadillac DeVille.
• Fits 1977-1984 Cadillac Fleetwood.
• Fits 1987-1992 Cadillac Brougham.
• Fits 1977-1985 Chevrolet Impala, Compatible with vehicles equipped with air conditioning.
• Fits 1977-1990 Chevrolet Caprice, Compatible with vehicles equipped with air conditioning.
• Fits 1981 Chevrolet Bel Air, Compatible with vehicles equipped with air conditioning.
• Fits 1980-1986 Oldsmobile Custom Cruiser, Compatible with vehicles equipped with air conditioning.
• Fits 1977-1985 Oldsmobile Delta 88, Compatible with vehicles equipped with air conditioning.
• Fits 1977-1984 Oldsmobile 98, Compatible with vehicles equipped with air conditioning.
• Fits 1987-1990 Oldsmobile Custom Cruiser.
• Fits 1977-1986 Pontiac Parisienne, Compatible with vehicles equipped with air conditioning.
• Fits 1977-1981 Pontiac Bonneville, Compatible with vehicles equipped with air conditioning.
• Fits 1977-1981 Pontiac Catalina, Compatible with vehicles equipped with air conditioning.
• Fits 1987-1989 Pontiac Safari.
• Fits 1987 Pontiac Safari, Compatible with vehicles equipped with air conditioning.