HomeHVAC > Motors, Core, Case and Related ComponentsGlobal Parts 8231261 HVAC Heater Core
Part #: 8231261

Global Parts 8231261 HVAC Heater Core

265 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, Oldsmobile, Buick, GMC, and Pontiac, Monte Carlo, Cutlass Supreme, Regal, El Camino, Caballero, Cutlass, Grand Prix, Bonneville, Cutlass Calais, Century, LeMans, and Grand Am
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Overview of Global Parts HVAC Heater Core 8231261

The Global Parts HVAC Heater Core 8231261 is designed for reliable heating performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable aluminum construction, this heater core ensures efficient heat transfer and long-lasting operation for models like the Chevrolet Monte Carlo and Pontiac Grand Prix.

  • Core material: Aluminum for enhanced heat conduction and corrosion resistance
  • Core dimensions: 7.24 inches width, 5.8 inches height, 1.02 inches thickness
  • Inlet diameter: 0.63 inches for precise hose fitment
  • Non-adjustable pipe positioning for direct replacement
  • Compatible with multiple GM makes and models including Buick Regal and Oldsmobile Cutlass Supreme

Detailed Product Description

This HVAC heater core from Global Parts (part number 8231261) features an aluminum core that provides efficient heat exchange within the vehicle’s heating system. The core measures 7.24 inches wide, 5.8 inches high, and 1.02 inches thick, fitting precisely into the HVAC housing of compatible vehicles. The 0.63-inch inlet diameter matches factory specifications, ensuring a secure connection with existing heater hoses. The pipe positioning is fixed, making this heater core a direct fit replacement for models such as the Buick Century and Pontiac LeMans without requiring modifications.

Compatible Vehicles and Applications

This heater core is compatible with a range of GM vehicles, including:

  • Buick models: Regal, Century
  • Chevrolet models: Monte Carlo, El Camino
  • Oldsmobile models: Cutlass, Cutlass Supreme, Cutlass Calais, Cutlass Salon
  • Pontiac models: Grand Prix, Grand Am, Bonneville, LeMans

Common Issues Addressed by This Heater Core

  • Insufficient cabin heat due to clogged or leaking heater core
  • Coolant leaks inside the vehicle’s HVAC system
  • Fogging or moisture buildup on interior windows
  • Overheating caused by inefficient heat exchange
  • Unpleasant odors from a damaged or corroded heater core

Installation Notes and Tips

Installation of the Global Parts heater core 8231261 requires draining the vehicle’s cooling system and careful removal of the HVAC housing. Due to the fixed pipe positioning, no adjustments are necessary, but ensure all hose connections are secure to prevent leaks. It is recommended to inspect and replace heater hoses if worn during installation. Professional installation is advised for proper fitment and to avoid damage to the HVAC system.

Quality Assurance and Warranty

Global Parts manufactures this heater core with high-quality aluminum to resist corrosion and provide consistent heating performance. While specific warranty details may vary, Global Parts typically offers coverage against manufacturing defects. Verify warranty terms with the supplier or manufacturer to ensure coverage for part number 8231261.

This part fits 265 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1988ChevroletMonte Carlo4.3LV6N/A
1988ChevroletMonte Carlo5.0LV8N/A
1988OldsmobileCutlass Supreme5.0LV8N/A
1987BuickRegal5.0LV8GASN/A
1987BuickRegal3.8LV6N/A
1987ChevroletEl Camino4.3LV6N/A
1987ChevroletEl Camino5.0LV8N/A
1987ChevroletMonte Carlo4.3LV6N/A
1987ChevroletMonte Carlo5.0LV8N/A
1987ChevroletMonte Carlo3.8LV6N/A
1987OldsmobileCutlass5.0LV8N/A
1987OldsmobileCutlass Salon3.8LV6N/A
1987OldsmobileCutlass Supreme5.0LV8GASN/A
1987OldsmobileCutlass Supreme3.8LV6N/A
1987PontiacGrand Prix5.0LV8N/A
1987PontiacGrand Prix4.3LV6N/A
1986BuickRegal5.0LV8GASN/A
1986BuickRegal3.8LV6N/A
1986ChevroletEl Camino4.3LV6N/A
1986ChevroletEl Camino5.0LV8N/A
1986ChevroletMonte Carlo4.3LV6N/A
1986ChevroletMonte Carlo5.0LV8N/A
1986ChevroletMonte Carlo3.8LV6N/A
1986OldsmobileCutlass5.0LV8N/A
1986OldsmobileCutlass Salon5.0LV8N/A
1986OldsmobileCutlass Supreme5.0LV8GASN/A
1986OldsmobileCutlass Supreme3.8LV6N/A
1986PontiacBonneville4.3LV6N/A
1986PontiacBonneville3.8LV6N/A
1986PontiacBonneville5.0LV8N/A
1986PontiacGrand Prix5.0LV8N/A
1986PontiacGrand Prix4.3LV6N/A
1986PontiacGrand Prix3.8LV6N/A
1985BuickRegal5.7LV8N/A
1985BuickRegal3.8LV6N/A
1985BuickRegal5.0LV8N/A
1985ChevroletEl Camino4.3LV6N/A
1985ChevroletEl Camino5.0LV8N/A
1985ChevroletMonte Carlo4.3LV6N/A
1985ChevroletMonte Carlo5.0LV8N/A
1985ChevroletMonte Carlo3.8LV6N/A
1985OldsmobileCutlass5.0LV8N/A
1985OldsmobileCutlass Salon5.0LV8N/A
1985OldsmobileCutlass Supreme5.0LV8GASN/A
1985OldsmobileCutlass Supreme3.8LV6N/A
1985OldsmobileCutlass Supreme5.7LV8N/A
1985PontiacBonneville3.8LV6N/A
1985PontiacBonneville5.0LV8N/A
1985PontiacGrand Prix5.0LV8N/A
1985PontiacGrand Prix3.8LV6N/A
1984BuickRegal4.1LV6N/A
1984BuickRegal3.8LV6N/A
1984BuickRegal4.3LV6N/A
1984BuickRegal5.0LV8N/A
1984ChevroletEl Camino3.8LV6GASN/A
1984ChevroletEl Camino5.0LV8N/A
1984ChevroletMonte Carlo3.8LV6GASN/A
1984ChevroletMonte Carlo5.7LV8DIESELN/A
1984ChevroletMonte Carlo5.0LV8N/A
1984OldsmobileCutlass Calais3.8LV6N/A
1984OldsmobileCutlass Calais5.7LV8N/A
1984OldsmobileCutlass Calais5.0LV8GASN/A
1984OldsmobileCutlass Calais4.3LV6N/A
1984OldsmobileCutlass Supreme3.8LV6N/A
1984OldsmobileCutlass Supreme5.0LV8N/A
1984OldsmobileCutlass Supreme5.7LV8N/A
1984OldsmobileCutlass Supreme4.3LV6N/A
1984PontiacBonneville5.7LV8N/A
1984PontiacBonneville3.8LV6N/A
1984PontiacBonneville5.0LV8N/A
1984PontiacGrand Prix5.0LV8N/A
1984PontiacGrand Prix5.7LV8N/A
1984PontiacGrand Prix3.8LV6N/A
1983BuickRegal3.8LV6N/A
1983BuickRegal4.1LV6N/A
1983BuickRegal4.3LV6N/AFits models equipped with air conditioning.
1983BuickRegal5.7LV8N/AFits models equipped with air conditioning.
1983BuickRegal5.0LV8N/A
1983ChevroletEl Camino3.8LV6GASN/A
1983ChevroletEl Camino5.0LV8N/A
1983ChevroletMonte Carlo3.8LV6GASN/A
1983ChevroletMonte Carlo5.7LV8DIESELN/A
1983ChevroletMonte Carlo5.0LV8N/A
1983ChevroletMonte Carlo4.3LV6N/A
1983OldsmobileCutlass Calais3.8LV6N/A
1983OldsmobileCutlass Calais5.7LV8N/A
1983OldsmobileCutlass Calais5.0LV8GASN/A
1983OldsmobileCutlass Calais4.3LV6N/A
1983OldsmobileCutlass Supreme5.0LV8GASN/A
1983OldsmobileCutlass Supreme3.8LV6N/A
1983OldsmobileCutlass Supreme5.7LV8N/A
1983OldsmobileCutlass Supreme4.3LV6N/A
1983PontiacBonneville5.7LV8N/A
1983PontiacBonneville3.8LV6N/A
1983PontiacBonneville5.0LV8N/A
1983PontiacGrand Prix5.0LV8N/A
1983PontiacGrand Prix5.7LV8N/A
1983PontiacGrand Prix3.8LV6N/A
1982BuickRegal3.8LV6N/A
1982BuickRegal4.1LV6N/A
1982BuickRegal4.3LV6N/AFits models equipped with air conditioning.
1982BuickRegal4.4LV8N/A
1982ChevroletEl Camino3.8LV6GASN/A
1982ChevroletEl Camino5.0LV8N/A
1982ChevroletMonte Carlo3.8LV6GASN/A
1982ChevroletMonte Carlo5.7LV8DIESELN/A
1982ChevroletMonte Carlo5.0LV8N/A
1982ChevroletMonte Carlo4.3LV6N/A
1982OldsmobileCutlass Calais4.4LV8N/A
1982OldsmobileCutlass Calais3.8LV6N/A
1982OldsmobileCutlass Calais5.7LV8N/A
1982OldsmobileCutlass Calais5.0LV8N/A
1982OldsmobileCutlass Calais4.3LV8GASN/A
1982OldsmobileCutlass Supreme4.3LV8GASN/A
1982OldsmobileCutlass Supreme3.8LV6N/A
1982OldsmobileCutlass Supreme5.0LV8N/A
1982OldsmobileCutlass Supreme4.4LV8N/A
1982OldsmobileCutlass Supreme5.7LV8N/A
1982PontiacBonneville5.7LV8N/A
1982PontiacBonneville4.1LV6N/A
1982PontiacBonneville3.8LV6N/A
1982PontiacGrand Prix4.1LV6N/A
1982PontiacGrand Prix5.7LV8N/A
1982PontiacGrand Prix4.4LV8N/A
1982PontiacGrand Prix3.8LV6N/A
1981BuickCentury4.3LV8N/AFits models equipped with air conditioning.
1981BuickCentury5.7LV8N/AFits models equipped with air conditioning.
1981BuickCentury3.8LV6N/AFits models equipped with air conditioning.
1981BuickCentury4.4LV8N/AFits models equipped with air conditioning.
1981BuickCentury5.0LV8N/AFits models equipped with air conditioning.
1981BuickRegal3.8LV6N/A
1981BuickRegal4.3LV8N/A
1981BuickRegal4.4LV8N/A
1981ChevroletEl Camino3.8LV6GASN/A
1981ChevroletEl Camino5.0LV8N/A
1981ChevroletMonte Carlo5.0LV8N/A
1981ChevroletMonte Carlo3.8LV6GASN/A
1981OldsmobileCutlass4.3LV8N/A
1981OldsmobileCutlass3.8LV6N/A
1981OldsmobileCutlass5.7LV8N/A
1981OldsmobileCutlass4.4LV8N/A
1981OldsmobileCutlass Calais3.8LV6N/A
1981OldsmobileCutlass Calais5.7LV8N/A
1981OldsmobileCutlass Calais4.3LV8N/A
1981OldsmobileCutlass Supreme4.3LV8N/A
1981OldsmobileCutlass Supreme3.8LV6N/A
1981OldsmobileCutlass Supreme5.7LV8N/A
1981PontiacGrand Prix5.7LV8N/A
1981PontiacGrand Prix4.4LV8N/A
1981PontiacGrand Prix4.3LV8N/A
1981PontiacGrand Prix3.8LV6N/A
1981PontiacLeMans5.0LV8N/A
1981PontiacLeMans3.8LV6GASN/A
1981PontiacLeMans4.9LV8N/A
1981PontiacLeMans4.3LV8N/A
1981PontiacLeMans4.4LV8N/A
1980BuickCentury4.3LV8N/AFits models equipped with air conditioning.
1980BuickCentury4.9LV8N/AFits models equipped with air conditioning.
1980BuickCentury3.8LV6N/AFits models equipped with air conditioning.
1980BuickCentury5.0LV8N/AFits models equipped with air conditioning.
1980BuickRegal3.8LV6N/A
1980BuickRegal4.3LV8N/A
1980BuickRegal4.9LV8N/A
1980BuickRegal5.0LV8N/A
1980ChevroletEl Camino3.8LV6GASN/A
1980ChevroletEl Camino5.0LV8N/A
1980ChevroletMonte Carlo3.8LV6GASN/A
1980ChevroletMonte Carlo5.0LV8N/A
1980OldsmobileCutlass5.7LV8GASN/A
1980OldsmobileCutlass4.3LV8N/A
1980OldsmobileCutlass3.8LV6N/A
1980OldsmobileCutlass5.0LV8N/A
1980OldsmobileCutlass Calais3.8LV6N/A
1980OldsmobileCutlass Calais5.0LV8N/A
1980OldsmobileCutlass Calais5.7LV8GASN/A
1980OldsmobileCutlass Calais4.3LV8N/A
1980OldsmobileCutlass Salon3.8LV6N/A
1980OldsmobileCutlass Supreme4.3LV8N/A
1980OldsmobileCutlass Supreme3.8LV6N/A
1980OldsmobileCutlass Supreme5.7LV8GASN/A
1980OldsmobileCutlass Supreme5.0LV8N/A
1980PontiacGrand Am4.9LV8N/A
1980PontiacGrand Am5.0LV8N/A
1980PontiacGrand Prix4.9LV8N/A
1980PontiacGrand Prix5.0LV8N/A
1980PontiacGrand Prix4.3LV8N/A
1980PontiacGrand Prix3.8LV6N/A
1980PontiacLeMans3.8LV6GASN/A
1980PontiacLeMans5.0LV8N/A
1980PontiacLeMans4.9LV8N/A
1980PontiacLeMans4.3LV8N/A
1980PontiacLeMans4.4LV8N/A
1979BuickCentury3.2LV6N/AFits models equipped with air conditioning.
1979BuickCentury3.8LV6GASN/AFits models equipped with air conditioning.
1979BuickCentury5.7LV8N/AFits models equipped with air conditioning.
1979BuickCentury4.9LV8N/AFits models equipped with air conditioning.
1979BuickCentury5.0LV8N/AFits models equipped with air conditioning.
1979BuickRegal3.8LV6GASN/A
1979BuickRegal4.9LV8N/A
1979BuickRegal3.2LV6N/A
1979BuickRegal5.0LV8N/A
1979ChevroletEl Camino5.7LV8N/A
1979ChevroletEl Camino3.8LV6GASN/A
1979ChevroletEl Camino3.3LV6N/A
1979ChevroletEl Camino5.0LV8N/A
1979ChevroletMonte Carlo3.8LV6GASN/A
1979ChevroletMonte Carlo5.0LV8N/A
1979ChevroletMonte Carlo3.3LV6N/A
1979OldsmobileCutlass5.7LV8GASN/A
1979OldsmobileCutlass4.3LV8N/A
1979OldsmobileCutlass3.8LV6GASN/A
1979OldsmobileCutlass5.0LV8N/A
1979OldsmobileCutlass Calais5.0LV8N/A
1979OldsmobileCutlass Calais5.7LV8N/A
1979OldsmobileCutlass Calais3.8LV6GASN/A
1979OldsmobileCutlass Calais4.3LV8GASN/A
1979OldsmobileCutlass Salon4.3LV8N/A
1979OldsmobileCutlass Supreme4.3LV8GASN/A
1979OldsmobileCutlass Supreme3.8LV6GASN/A
1979OldsmobileCutlass Supreme5.7LV8GASN/A
1979OldsmobileCutlass Supreme5.0LV8N/A
1979PontiacGrand Am4.9LV8N/A
1979PontiacGrand Am5.0LV8N/A
1979PontiacGrand Am3.8LV6N/A
1979PontiacGrand Prix3.8LV6GASN/A
1979PontiacGrand Prix4.9LV8N/A
1979PontiacGrand Prix5.0LV8N/A
1979PontiacLeMans5.0LV8N/A
1979PontiacLeMans4.9LV8N/A
1979PontiacLeMans3.3LV6N/A
1979PontiacLeMans5.7LV8N/A
1979PontiacLeMans3.8LV6GASN/A
1979PontiacLeMans4.4LV8N/A
1978BuickCentury3.2LV6N/AFits models equipped with air conditioning.
1978BuickCentury5.7LV8N/AFits models equipped with air conditioning.
1978BuickCentury3.8LV6N/AFits models equipped with air conditioning.
1978BuickCentury5.0LV8N/AFits models equipped with air conditioning.
1978BuickRegal3.8LV6N/A
1978BuickRegal3.2LV6N/A
1978BuickRegal5.0LV8N/A
1978ChevroletEl Camino3.8LV6N/A
1978ChevroletEl Camino5.7LV8N/A
1978ChevroletEl Camino3.3LV6N/A
1978ChevroletEl Camino5.0LV8N/A
1978ChevroletMonte Carlo5.0LV8N/A
1978ChevroletMonte Carlo3.3LV6N/A
1978ChevroletMonte Carlo3.8LV6N/A
1978OldsmobileCutlass4.3LV8N/A
1978OldsmobileCutlass3.8LV6N/A
1978OldsmobileCutlass5.0LV8N/A
1978OldsmobileCutlass Calais3.8LV6N/A
1978OldsmobileCutlass Calais5.0LV8N/A
1978OldsmobileCutlass Calais4.3LV8N/A
1978OldsmobileCutlass Salon4.3LV8N/A
1978OldsmobileCutlass Supreme4.3LV8N/A
1978OldsmobileCutlass Supreme3.8LV6N/A
1978OldsmobileCutlass Supreme5.0LV8N/A
1978OldsmobileCutlass Supreme5.7LV8N/A
1978PontiacGrand Prix4.9LV8N/A
1978PontiacGrand Prix5.0LV8N/A
1978PontiacGrand Prix3.8LV6N/A
1978PontiacLeMans5.0LV8N/A
1978PontiacLeMans3.3LV6N/A
1978PontiacLeMans5.7LV8N/A
1978PontiacLeMans3.8LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.