Global Parts 8231257 HVAC Heater Core

Brand Global Parts 8231257
Fits Buick, Oldsmobile, Pontiac, Chevrolet, and Cadillac · 159 vehicles

Aluminum core. Transfers heat efficiently through a lightweight, corrosion-resistant design.

Heater core. Moves heat from the cooling system to the cabin for comfortable airflow.

Cross-references Anchor 8210, APDI 9010187 and Four Seasons 90496 for the same application. See all 22.

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Global Parts 8231257 HVAC Heater Core

Global Parts 8231257 is an aluminum HVAC heater core built to transfer engine coolant heat into the cabin through the vehicle’s heating system. It is a direct-fit replacement for a wide range of GM compact cars, including Buick Skylark, Pontiac Grand Am, Chevrolet Cavalier, and related applications.

  • Aluminum core material for efficient heat transfer
  • Core dimensions: 7.11 in. height, 6.22 in. width, 1.02 in. thickness
  • Inlet diameter: 0.63 in.
  • Adjustable pipe positioning: No
  • Compatible with air-conditioned applications where noted in fitment
  • Global Parts 8231257 heater core for OE-style HVAC service

Application Coverage

Fits 1988-1998 Buick Skylark, N/A. Fits 1992-1998 Oldsmobile Achieva, N/A. Fits 1985-1998 Pontiac Grand Am, N/A. Fits 1978 Pontiac Grand Am, N/A. Fits 1987-1996 Chevrolet Corsica, N/A. Fits 1985-1994 Chevrolet Cavalier, N/A. Fits 1986-1994 Pontiac Sunbird, N/A. Fits 1988-1991 Oldsmobile Cutlass Calais, N/A. Fits 1985-1989 Buick Skyhawk, N/A, fits models equipped with air conditioning. Fits 1985-1988 Cadillac Cimarron, N/A. Fits 1985-1987 Oldsmobile Calais, N/A.

What This Heater Core Helps Address

  • Weak or inconsistent cabin heat
  • Coolant leakage inside the HVAC case
  • Restricted coolant flow through the heater circuit
  • Corrosion or deterioration in the original heater core
  • Restoration of heater performance in Buick, Pontiac, Chevrolet, Cadillac, and Oldsmobile applications

Installation Notes

Verify core dimensions, inlet size, and vehicle fitment before installation. This heater core uses aluminum construction and does not feature adjustable pipe positioning. Confirm the HVAC case configuration and, where listed, air conditioning equipment before ordering. Global Parts 8231257 is referenced for the same application by Anchor 8210 and Spectra Premium 94496.

Quality Assurance

Heater cores move heat from the engine cooling system into the passenger compartment, so accurate fit and material quality matter. Global Parts 8231257 is built with aluminum core material and is specified for direct replacement use across the listed GM applications.

This part fits 159 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1998BuickSkylark3.1LV6N/A
1998BuickSkylark2.4LL4N/A
1998OldsmobileAchieva3.1LV6N/A
1998OldsmobileAchieva2.4LL4N/A
1998PontiacGrand Am2.4LL4N/A
1998PontiacGrand Am3.1LV6N/A
1997BuickSkylark3.1LV6N/A
1997BuickSkylark2.4LL4N/A
1997OldsmobileAchieva3.1LV6N/A
1997OldsmobileAchieva2.4LL4N/A
1997PontiacGrand Am2.4LL4N/A
1997PontiacGrand Am3.1LV6N/A
1996BuickSkylark3.1LV6N/A
1996BuickSkylark2.4LL4N/A
1996ChevroletCorsica3.1LV6N/A
1996ChevroletCorsica2.2LL4N/A
1996OldsmobileAchieva3.1LV6N/A
1996OldsmobileAchieva2.4LL4N/A
1996PontiacGrand Am2.4LL4N/A
1996PontiacGrand Am3.1LV6N/A
1995BuickSkylark2.3LL4N/A
1995BuickSkylark3.1LV6N/A
1995ChevroletCorsica3.1LV6N/A
1995ChevroletCorsica2.2LL4N/A
1995OldsmobileAchieva2.3LL4N/A
1995OldsmobileAchieva3.1LV6N/A
1995PontiacGrand Am3.1LV6N/A
1995PontiacGrand Am2.3LL4N/A
1994BuickSkylark2.3LL4N/A
1994BuickSkylark3.1LV6N/A
1994ChevroletCavalier3.1LV6N/A
1994ChevroletCavalier2.2LL4N/A
1994ChevroletCorsica3.1LV6N/A
1994ChevroletCorsica2.2LL4N/A
1994OldsmobileAchieva3.1LV6N/A
1994OldsmobileAchieva2.3LL4GASN/A
1994PontiacGrand Am2.3LL4GASN/A
1994PontiacGrand Am3.1LV6N/A
1994PontiacSunbird2.0LL4N/A
1994PontiacSunbird3.1LV6N/A
1993BuickSkylark2.3LL4N/A
1993BuickSkylark3.3LV6N/A
1993ChevroletCavalier3.1LV6N/A
1993ChevroletCavalier2.2LL4N/A
1993ChevroletCorsica3.1LV6N/A
1993ChevroletCorsica2.2LL4N/A
1993OldsmobileAchieva3.3LV6N/A
1993OldsmobileAchieva2.3LL4GASN/A
1993PontiacGrand Am3.3LV6N/A
1993PontiacGrand Am2.3LL4GASN/A
1993PontiacSunbird2.0LL4N/A
1993PontiacSunbird3.1LV6N/A
1992BuickSkylark2.3LL4N/A
1992BuickSkylark3.3LV6N/A
1992ChevroletCavalier3.1LV6N/A
1992ChevroletCavalier2.2LL4N/A
1992ChevroletCorsica3.1LV6N/A
1992ChevroletCorsica2.2LL4N/A
1992OldsmobileAchieva3.3LV6N/A
1992OldsmobileAchieva2.3LL4GASN/A
1992PontiacGrand Am3.3LV6N/A
1992PontiacGrand Am2.3LL4GASN/A
1992PontiacSunbird2.0LL4N/A
1992PontiacSunbird3.1LV6N/A
1991BuickSkylark2.3LL4N/A
1991BuickSkylark2.5LL4N/A
1991BuickSkylark3.3LV6N/A
1991ChevroletCavalier3.1LV6N/A
1991ChevroletCavalier2.2LL4N/A
1991ChevroletCorsica3.1LV6N/A
1991ChevroletCorsica2.2LL4N/A
1991OldsmobileCutlass Calais3.3LV6N/A
1991OldsmobileCutlass Calais2.5LL4N/A
1991OldsmobileCutlass Calais2.3LL4GASN/A
1991PontiacGrand Am2.3LL4GASN/A
1991PontiacGrand Am2.5LL4N/A
1991PontiacSunbird2.0LL4N/A
1991PontiacSunbird3.1LV6N/A
1990BuickSkylark2.3LL4N/A
1990BuickSkylark2.5LL4N/A
1990BuickSkylark3.3LV6N/A
1990ChevroletCavalier3.1LV6N/A
1990ChevroletCavalier2.2LL4N/A
1990ChevroletCorsica3.1LV6N/A
1990ChevroletCorsica2.2LL4N/A
1990OldsmobileCutlass Calais3.3LV6N/A
1990OldsmobileCutlass Calais2.5LL4N/A
1990OldsmobileCutlass Calais2.3LL4GASN/A
1990PontiacGrand Am2.3LL4GASN/A
1990PontiacGrand Am2.5LL4N/A
1990PontiacSunbird2.0LL4N/A
1989BuickSkyhawk2.0LL4N/AFits models equipped with air conditioning.
1989BuickSkylark2.3LL4N/A
1989BuickSkylark2.5LL4N/A
1989BuickSkylark3.3LV6N/A
1989ChevroletCavalier2.0LL4N/A
1989ChevroletCavalier2.8LV6N/A
1989ChevroletCorsica2.8LV6N/A
1989ChevroletCorsica2.0LL4N/A
1989OldsmobileCutlass Calais3.3LV6N/A
1989OldsmobileCutlass Calais2.5LL4N/A
1989OldsmobileCutlass Calais2.3LL4GASN/A
1989PontiacGrand Am2.3LL4GASN/A
1989PontiacGrand Am2.5LL4N/A
1989PontiacGrand Am2.0LL4N/A
1989PontiacSunbird2.0LL4N/A
1988BuickSkyhawk2.0LL4N/AFits models equipped with air conditioning.
1988BuickSkylark2.3LL4N/A
1988BuickSkylark3.0LV6N/A
1988BuickSkylark2.5LL4N/A
1988CadillacCimarron2.8LV6N/A
1988ChevroletCavalier2.0LL4N/A
1988ChevroletCavalier2.8LV6N/A
1988ChevroletCorsica2.8LV6N/A
1988ChevroletCorsica2.0LL4N/A
1988OldsmobileCutlass Calais2.5LL4N/A
1988OldsmobileCutlass Calais3.0LV6N/A
1988OldsmobileCutlass Calais2.3LL4N/A
1988PontiacGrand Am2.5LL4N/A
1988PontiacGrand Am2.0LL4N/A
1988PontiacGrand Am2.3LL4N/A
1988PontiacSunbird2.0LL4N/A
1987BuickSkyhawk2.0LL4N/AFits models equipped with air conditioning.
1987CadillacCimarron2.8LV6N/A
1987ChevroletCavalier2.0LL4N/A
1987ChevroletCavalier2.8LV6N/A
1987ChevroletCorsica2.8LV6N/A
1987ChevroletCorsica2.0LL4N/A
1987OldsmobileCalais2.5LL4N/A
1987OldsmobileCalais3.0LV6N/A
1987OldsmobileCalais2.3LL4N/A
1987PontiacGrand Am2.5LL4N/A
1987PontiacGrand Am3.0LV6N/A
1987PontiacGrand Am2.0LL4N/A
1987PontiacSunbird2.0LL4N/A
1986BuickSkyhawk2.0LL4N/AFits models equipped with air conditioning.
1986BuickSkyhawk1.8LL4N/AFits models equipped with air conditioning.
1986CadillacCimarron2.8LV6N/A
1986CadillacCimarron2.0LL4N/A
1986ChevroletCavalier2.0LL4N/A
1986ChevroletCavalier2.8LV6N/A
1986OldsmobileCalais2.5LL4N/A
1986OldsmobileCalais3.0LV6N/A
1986PontiacGrand Am2.5LL4N/A
1986PontiacGrand Am3.0LV6N/A
1986PontiacSunbird1.8LL4N/A
1986PontiacSunbird2.0LL4N/A
1985BuickSkyhawk1.8LL4N/AFits models equipped with air conditioning.
1985BuickSkyhawk2.0LL4N/AFits models equipped with air conditioning.
1985CadillacCimarron2.8LV6N/A
1985CadillacCimarron2.0LL4N/A
1985ChevroletCavalier2.0LL4N/A
1985ChevroletCavalier2.8LV6N/A
1985OldsmobileCalais2.5LL4N/A
1985OldsmobileCalais3.0LV6N/A
1985PontiacGrand Am2.5LL4N/A
1985PontiacGrand Am3.0LV6N/A
1978PontiacGrand Am4.9LV8N/A
1978PontiacGrand Am5.0LV8N/A
Directly replaces or cross-references 22 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 8210APDI — 9010187Four Seasons — 90496Four Seasons — 98496Global Parts Distributors LLC — 1811275Spectra Premium — 94496TYC — 96012UAC — HT8310C15-6006618-1127521-2310250-314212310250314039831039831015600663058622129050311290503252470156HTR010160