Global Parts 8231247 HVAC Heater Core

HVAC Heater Core for GM Full-Size Cars

Global Parts 8231247 is an aluminum HVAC heater core built to transfer heat from the engine cooling system into the cabin. It is a direct-fit replacement for a wide range of Cadillac, Buick, Oldsmobile, and Pontiac applications, including Buick LeSabre, Cadillac DeVille, and Pontiac Bonneville models.

With compact core dimensions and a 0.75 in. inlet diameter, this heater core is suited for vehicles that need a precise OE-style cooling-system heat exchanger. The aluminum core material supports efficient heat transfer in a lightweight design.

Key Features

• Aluminum core material for efficient cabin heat transfer
• Core dimensions: 7.11 in. height, 7.09 in. width, 1.02 in. thickness
• 0.75 in. inlet diameter
• Adjustable pipe positioning: No
• Direct replacement for select GM HVAC heater core applications
• Global Parts part number 8231247

Detailed Description

Global Parts 8231247 heater core routes hot coolant from the engine’s cooling system through the HVAC case so the vehicle can deliver warm air to the passenger compartment. The aluminum construction is a practical choice for heat exchange performance and corrosion resistance in the heater core assembly. This part cross-references Spectra Premium 94480 and TYC 96010 for the same application.

Compatible With 1986-2002 Cadillac Eldorado, 1986-1999 Buick LeSabre, 1986-1999 Cadillac DeVille, 1986-1999 Cadillac Seville, 1992-1999 Oldsmobile 88, 1996-1999 Oldsmobile LSS, 1987-1999 Pontiac Bonneville, 1997-1998 Oldsmobile Regency, 1991-1996 Buick Park Avenue, 1986-1996 Oldsmobile 98, 1986-1993 Buick Riviera, 1987-1993 Cadillac Allante, 1986-1993 Cadillac Commercial Chassis, 1986-1992 Cadillac Fleetwood, 1986-1992 Oldsmobile Toronado, 1988-1991 Buick Reatta, and 1986-1991 Oldsmobile Delta 88.

What It Helps Address

• Weak or uneven cabin heat output
• Coolant seepage at the heater core assembly
• Restricted heat transfer inside the HVAC system
• Temperature control problems in older GM vehicles
• Replacement needs during HVAC case service

Installation Notes and Tips

Verify core dimensions, inlet size, and pipe orientation before installation. Because adjustable pipe positioning is not included, confirm the existing HVAC case layout matches the original configuration. On vehicles such as Buick LeSabre, Cadillac DeVille, and Pontiac Bonneville, compare the removed part to Global Parts 8231247 before reassembly to ensure proper fitment.

Quality Assurance

This heater core is built with aluminum construction and application-specific dimensions for the listed GM vehicles. Global Parts 8231247 is intended as a direct replacement heater core for select Cadillac, Buick, Oldsmobile, and Pontiac models.