One Stop Solutions 98501 HVAC Heater Core

OE-Style Heater Core for Classic GM Applications

This One Stop Solutions HVAC heater core is built for direct replacement use in a wide range of classic Cadillac, Chevrolet, Buick, Oldsmobile, and Pontiac vehicles. Part number 98501 is engineered around original equipment form and function, with aluminum construction and fitment-focused details for dependable cabin heat service.

Key Features

• Drop-in fit, form, and function for OE-style replacement
• Premium grade aluminum construction for added durability
• Cadmium-plated tubes inside and out to help resist premature failure
• Individually pressure tested before release
• Includes foam and related accessories needed for installation
• Built to address original design weaknesses in higher-mileage vehicles
• Tested for cycle, vibration, burst, and environmental conditions

Detailed Description

One Stop Solutions part number 98501 is an HVAC heater core designed for vehicles originally equipped with a copper-style core, but supplied here as an aluminum direct replacement. It is made to match OE form and function while using premium materials and protective plating to improve service life. This heater core is a practical choice for restoring heat output in applications such as the Cadillac DeVille, Chevrolet Caprice, and Pontiac Bonneville.

This part cross-references Spectra Premium 94501 for the same application.

What It Helps Solve

• Restricted or weak cabin heat from a leaking or clogged heater core
• Coolant odor or moisture inside the passenger compartment
• Heat loss caused by corrosion or internal tube failure
• Repeat failures in high-mileage vehicles with aging HVAC components
• Fitment issues when replacing an original copper-designed heater core

Installation Notes and Tips

Verify vehicle year, make, model, and air conditioning configuration before ordering. Fits 1977-1990 Chevrolet Caprice, Compatible with vehicles with air conditioning systems; Fits 1977-1985 Chevrolet Impala, Compatible with vehicles with air conditioning systems; Fits 1977-1985 Buick LeSabre, Compatible with vehicles with air conditioning systems; Fits 1977-1981 Pontiac Bonneville, Compatible with vehicles with air conditioning systems; Fits 1981-1984 Cadillac DeVille, N/A. Confirm the HVAC case and hose routing against the removed part before installation. Replace any degraded foam seals during service to help maintain proper airflow through the heater box.

Quality Assurance

Each heater core is individually pressure tested, and the design is validated through cycle, vibration, burst, and environmental testing. The aluminum construction and cadmium-plated tubes are used to support long-term service in demanding automotive HVAC systems.