Global Parts 8231303 HVAC Heater Core - Front

Brand Global Parts 8231303
Position Front
Fits Chevrolet and GMC · 357 vehicles

Aluminum construction. Helps transfer heat efficiently through the HVAC heater core.

HVAC heater core. Transfers heat from the cooling system into the cabin.

Cross-references Anchor 9094, APDI 9010122 and Four Seasons 98616 for the same application. See all 29.

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Global Parts 8231303 Heater Core

Global Parts 8231303 is an aluminum HVAC heater core built to transfer heat from the engine cooling system into the cabin. It is a front-position replacement for select Chevrolet G10, G20, G30 and GMC G1500, G2500, G3500 applications, including 1978-1995 Chevrolet G10 front and 1979-1995 GMC G1500 front fitments.

  • Aluminum construction for efficient heat transfer
  • Core height: 5.5 in.
  • Core width: 8.875 in.
  • Core thickness: 1.25 in.
  • Inlet diameter: 5/8 in.
  • Front installation position
  • Part number: 8231303

Detailed Product Overview

This heater core is a direct replacement HVAC component for vehicles that rely on coolant flow through the heater core to warm the passenger compartment. Global Parts 8231303 is sized for the listed front-mount applications and uses aluminum construction to support heat transfer within the heating system. It cross-references UAC HT399094C for the same application. For buyers searching for a Chevrolet G10 heater core, GMC G1500 heater core, or a Global Parts 8231303 replacement, this part matches the specified dimensions and inlet size for the covered vehicles.

What This Heater Core Helps Address

  • No cabin heat from a restricted or leaking heater core
  • Coolant odor or dampness inside the HVAC case area
  • Uneven heater output in Chevrolet G10, G20, and G30 vans
  • Poor defrost performance caused by reduced heater performance
  • Replacement needs during HVAC system service on GMC G1500, G2500, and G3500 models

Installation Notes and Tips

Verify the front-position layout and compare the core height, width, thickness, and 5/8 in. inlet diameter before installation. Confirm hose routing and coolant connections against the original unit on the vehicle. After installation, refill and bleed the cooling system according to the vehicle service procedure to remove trapped air and restore proper heater operation. This part fits 1978-1995 Chevrolet G10, front; 1978-1995 Chevrolet G20, front; 1978-1995 Chevrolet G30, front; 1979-1995 GMC G1500, front; 1979-1995 GMC G2500, front; 1979-1995 GMC G3500, front; and 1978 GMC G15, front.

Quality Assurance

Global Parts supplies HVAC replacement components for service applications where dimensional accuracy and material selection matter. Part number 8231303 is built as an aluminum heater core for the listed fitments and cross-references established aftermarket numbers for the same use.

This part fits 357 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1995ChevroletG104.3LV6Front
1995ChevroletG105.0LV8Front
1995ChevroletG206.5LV8Front
1995ChevroletG205.7LV8Front
1995ChevroletG204.3LV6Front
1995ChevroletG205.0LV8Front
1995ChevroletG306.5LV8Front
1995ChevroletG307.4LV8Front
1995ChevroletG304.3LV6Front
1995ChevroletG305.7LV8Front
1995GMCG15005.0LV8Front
1995GMCG15004.3LV6Front
1995GMCG25004.3LV6Front
1995GMCG25006.5LV8Front
1995GMCG25005.0LV8Front
1995GMCG25005.7LV8Front
1995GMCG35006.5LV8Front
1995GMCG35004.3LV6Front
1995GMCG35005.7LV8Front
1995GMCG35007.4LV8Front
1994ChevroletG104.3LV6Front
1994ChevroletG105.0LV8Front
1994ChevroletG206.5LV8Front
1994ChevroletG205.7LV8Front
1994ChevroletG204.3LV6Front
1994ChevroletG205.0LV8Front
1994ChevroletG306.5LV8Front
1994ChevroletG307.4LV8Front
1994ChevroletG304.3LV6Front
1994ChevroletG305.7LV8Front
1994GMCG15005.0LV8Front
1994GMCG15004.3LV6Front
1994GMCG25004.3LV6Front
1994GMCG25006.5LV8Front
1994GMCG25005.0LV8Front
1994GMCG25005.7LV8Front
1994GMCG35006.5LV8Front
1994GMCG35004.3LV6Front
1994GMCG35005.7LV8Front
1994GMCG35007.4LV8Front
1993ChevroletG105.7LV8Front
1993ChevroletG104.3LV6Front
1993ChevroletG105.0LV8Front
1993ChevroletG206.2LV8Front
1993ChevroletG205.7LV8Front
1993ChevroletG204.3LV6Front
1993ChevroletG205.0LV8Front
1993ChevroletG306.2LV8Front
1993ChevroletG307.4LV8Front
1993ChevroletG304.3LV6Front
1993ChevroletG305.7LV8Front
1993GMCG15005.7LV8Front
1993GMCG15005.0LV8Front
1993GMCG15004.3LV6Front
1993GMCG25006.2LV8Front
1993GMCG25004.3LV6Front
1993GMCG25005.0LV8Front
1993GMCG25005.7LV8Front
1993GMCG35004.3LV6Front
1993GMCG35005.7LV8Front
1993GMCG35006.2LV8Front
1993GMCG35007.4LV8Front
1992ChevroletG105.7LV8Front
1992ChevroletG104.3LV6Front
1992ChevroletG105.0LV8Front
1992ChevroletG206.2LV8Front
1992ChevroletG205.7LV8Front
1992ChevroletG204.3LV6Front
1992ChevroletG205.0LV8Front
1992ChevroletG306.2LV8Front
1992ChevroletG307.4LV8Front
1992ChevroletG304.3LV6Front
1992ChevroletG305.7LV8Front
1992GMCG15005.7LV8Front
1992GMCG15005.0LV8Front
1992GMCG15004.3LV6Front
1992GMCG25006.2LV8Front
1992GMCG25004.3LV6Front
1992GMCG25005.0LV8Front
1992GMCG25005.7LV8Front
1992GMCG35004.3LV6Front
1992GMCG35005.7LV8Front
1992GMCG35006.2LV8Front
1992GMCG35007.4LV8Front
1991ChevroletG105.7LV8Front
1991ChevroletG104.3LV6Front
1991ChevroletG105.0LV8Front
1991ChevroletG206.2LV8Front
1991ChevroletG205.7LV8Front
1991ChevroletG204.3LV6Front
1991ChevroletG205.0LV8Front
1991ChevroletG306.2LV8Front
1991ChevroletG307.4LV8Front
1991ChevroletG304.3LV6Front
1991ChevroletG305.7LV8Front
1991GMCG15005.7LV8Front
1991GMCG15005.0LV8Front
1991GMCG15004.3LV6Front
1991GMCG25006.2LV8Front
1991GMCG25004.3LV6Front
1991GMCG25005.0LV8Front
1991GMCG25005.7LV8Front
1991GMCG35004.3LV6Front
1991GMCG35005.7LV8Front
1991GMCG35006.2LV8Front
1991GMCG35007.4LV8Front
1990ChevroletG105.7LV8Front
1990ChevroletG104.3LV6Front
1990ChevroletG105.0LV8Front
1990ChevroletG206.2LV8Front
1990ChevroletG205.7LV8Front
1990ChevroletG204.3LV6Front
1990ChevroletG205.0LV8Front
1990ChevroletG306.2LV8Front
1990ChevroletG307.4LV8Front
1990ChevroletG304.3LV6Front
1990ChevroletG305.7LV8Front
1990GMCG15005.7LV8Front
1990GMCG15005.0LV8Front
1990GMCG15004.3LV6Front
1990GMCG25006.2LV8Front
1990GMCG25004.3LV6Front
1990GMCG25005.0LV8Front
1990GMCG25005.7LV8Front
1990GMCG35004.3LV6Front
1990GMCG35005.7LV8Front
1990GMCG35006.2LV8Front
1990GMCG35007.4LV8Front
1989ChevroletG105.7LV8Front
1989ChevroletG104.3LV6Front
1989ChevroletG105.0LV8Front
1989ChevroletG206.2LV8Front
1989ChevroletG205.7LV8Front
1989ChevroletG204.3LV6Front
1989ChevroletG205.0LV8Front
1989ChevroletG306.2LV8Front
1989ChevroletG307.4LV8Front
1989ChevroletG304.3LV6Front
1989ChevroletG305.7LV8Front
1989GMCG15005.7LV8Front
1989GMCG15005.0LV8Front
1989GMCG15004.3LV6Front
1989GMCG25006.2LV8Front
1989GMCG25004.3LV6Front
1989GMCG25005.0LV8Front
1989GMCG25005.7LV8Front
1989GMCG35004.3LV6Front
1989GMCG35005.7LV8Front
1989GMCG35006.2LV8Front
1989GMCG35007.4LV8Front
1988ChevroletG105.7LV8Front
1988ChevroletG104.3LV6Front
1988ChevroletG105.0LV8Front
1988ChevroletG206.2LV8Front
1988ChevroletG205.7LV8Front
1988ChevroletG204.3LV6Front
1988ChevroletG205.0LV8Front
1988ChevroletG306.2LV8Front
1988ChevroletG307.4LV8Front
1988ChevroletG304.3LV6Front
1988ChevroletG305.7LV8Front
1988GMCG15005.7LV8Front
1988GMCG15005.0LV8Front
1988GMCG15004.3LV6Front
1988GMCG25006.2LV8Front
1988GMCG25004.3LV6Front
1988GMCG25005.0LV8Front
1988GMCG25005.7LV8Front
1988GMCG35004.3LV6Front
1988GMCG35005.7LV8Front
1988GMCG35006.2LV8Front
1988GMCG35007.4LV8Front
1987ChevroletG105.7LV8Front
1987ChevroletG104.3LV6Front
1987ChevroletG105.0LV8Front
1987ChevroletG206.2LV8Front
1987ChevroletG205.7LV8Front
1987ChevroletG204.3LV6Front
1987ChevroletG205.0LV8Front
1987ChevroletG306.2LV8Front
1987ChevroletG304.3LV6Front
1987ChevroletG305.7LV8Front
1987GMCG15005.7LV8Front
1987GMCG15005.0LV8Front
1987GMCG15004.3LV6Front
1987GMCG25006.2LV8Front
1987GMCG25004.3LV6Front
1987GMCG25005.0LV8Front
1987GMCG25005.7LV8Front
1987GMCG35004.3LV6Front
1987GMCG35005.7LV8Front
1987GMCG35006.2LV8Front
1986ChevroletG105.7LV8Front
1986ChevroletG104.3LV6Front
1986ChevroletG105.0LV8Front
1986ChevroletG206.2LV8Front
1986ChevroletG205.7LV8Front
1986ChevroletG204.3LV6Front
1986ChevroletG205.0LV8Front
1986ChevroletG306.2LV8Front
1986ChevroletG304.3LV6Front
1986ChevroletG305.7LV8Front
1986GMCG15005.7LV8Front
1986GMCG15005.0LV8Front
1986GMCG15004.3LV6Front
1986GMCG25006.2LV8Front
1986GMCG25004.3LV6Front
1986GMCG25005.0LV8Front
1986GMCG25005.7LV8Front
1986GMCG35004.3LV6Front
1986GMCG35005.7LV8Front
1986GMCG35006.2LV8Front
1985ChevroletG105.7LV8Front
1985ChevroletG104.3LV6Front
1985ChevroletG105.0LV8Front
1985ChevroletG206.2LV8Front
1985ChevroletG205.7LV8Front
1985ChevroletG204.3LV6Front
1985ChevroletG205.0LV8Front
1985ChevroletG305.0LV8Front
1985ChevroletG306.2LV8Front
1985ChevroletG304.3LV6Front
1985ChevroletG305.7LV8Front
1985GMCG15005.7LV8Front
1985GMCG15005.0LV8Front
1985GMCG15004.3LV6Front
1985GMCG25006.2LV8Front
1985GMCG25004.3LV6Front
1985GMCG25005.0LV8Front
1985GMCG25005.7LV8Front
1985GMCG35004.3LV6Front
1985GMCG35005.7LV8Front
1985GMCG35006.2LV8Front
1984ChevroletG104.1LL6Front
1984ChevroletG105.7LV8Front
1984ChevroletG105.0LV8Front
1984ChevroletG206.2LV8Front
1984ChevroletG204.1LL6Front
1984ChevroletG205.7LV8Front
1984ChevroletG205.0LV8Front
1984ChevroletG306.2LV8Front
1984ChevroletG304.1LL6Front
1984ChevroletG305.7LV8Front
1984GMCG15005.7LV8Front
1984GMCG15004.1LL6Front
1984GMCG15005.0LV8Front
1984GMCG25004.1LL6Front
1984GMCG25006.2LV8Front
1984GMCG25005.0LV8Front
1984GMCG25005.7LV8Front
1984GMCG35005.7LV8GASFront
1984GMCG35004.1LL6Front
1984GMCG35006.2LV8Front
1983ChevroletG104.1LL6Front
1983ChevroletG105.7LV8Front
1983ChevroletG105.0LV8Front
1983ChevroletG206.2LV8Front
1983ChevroletG204.1LL6Front
1983ChevroletG205.7LV8Front
1983ChevroletG205.0LV8Front
1983ChevroletG306.2LV8Front
1983ChevroletG304.1LL6Front
1983ChevroletG305.7LV8Front
1983GMCG15005.7LV8Front
1983GMCG15004.1LL6Front
1983GMCG15005.0LV8Front
1983GMCG25004.1LL6Front
1983GMCG25006.2LV8Front
1983GMCG25005.0LV8Front
1983GMCG25005.7LV8Front
1983GMCG35004.1LL6Front
1983GMCG35005.7LV8Front
1983GMCG35006.2LV8Front
1982ChevroletG104.1LL6Front
1982ChevroletG105.7LV8Front
1982ChevroletG105.0LV8Front
1982ChevroletG204.1LL6Front
1982ChevroletG205.7LV8Front
1982ChevroletG205.0LV8Front
1982ChevroletG305.0LV8Front
1982ChevroletG304.1LL6Front
1982ChevroletG305.7LV8Front
1982GMCG15005.7LV8Front
1982GMCG15004.1LL6Front
1982GMCG15005.0LV8Front
1982GMCG25004.1LL6Front
1982GMCG25005.0LV8Front
1982GMCG25005.7LV8Front
1982GMCG35004.1LL6Front
1982GMCG35005.7LV8Front
1981ChevroletG104.1LL6Front
1981ChevroletG105.7LV8Front
1981ChevroletG105.0LV8Front
1981ChevroletG204.1LL6Front
1981ChevroletG205.7LV8Front
1981ChevroletG205.0LV8Front
1981ChevroletG304.1LL6Front
1981ChevroletG305.7LV8Front
1981GMCG15005.7LV8Front
1981GMCG15004.1LL6Front
1981GMCG15005.0LV8Front
1981GMCG25004.1LL6Front
1981GMCG25005.0LV8Front
1981GMCG25005.7LV8Front
1981GMCG35005.7LV8Front
1980ChevroletG104.1LL6Front
1980ChevroletG105.7LV8Front
1980ChevroletG105.0LV8Front
1980ChevroletG206.6LV8Front
1980ChevroletG204.1LL6Front
1980ChevroletG205.7LV8Front
1980ChevroletG205.0LV8Front
1980ChevroletG306.6LV8Front
1980ChevroletG305.7LV8Front
1980GMCG15005.7LV8Front
1980GMCG15004.1LL6Front
1980GMCG15005.0LV8Front
1980GMCG25004.1LL6Front
1980GMCG25005.7LV8Front
1980GMCG25006.6LV8Front
1980GMCG35006.6LV8Front
1980GMCG35005.7LV8Front
1979ChevroletG104.1LL6Front
1979ChevroletG105.7LV8Front
1979ChevroletG105.0LV8Front
1979ChevroletG206.6LV8Front
1979ChevroletG204.1LL6Front
1979ChevroletG205.7LV8Front
1979ChevroletG305.0LV8Front
1979ChevroletG306.6LV8Front
1979ChevroletG304.1LL6Front
1979ChevroletG304.8LL6Front
1979ChevroletG305.7LV8Front
1979GMCG15005.7LV8Front
1979GMCG15004.1LL6Front
1979GMCG15005.0LV8Front
1979GMCG15006.6LV8Front
1979GMCG25004.1LL6Front
1979GMCG25005.7LV8Front
1979GMCG25006.6LV8Front
1979GMCG35004.1LL6Front
1979GMCG35006.6LV8Front
1979GMCG35005.7LV8Front
1978ChevroletG104.1LL6Front
1978ChevroletG105.7LV8Front
1978ChevroletG105.0LV8Front
1978ChevroletG206.6LV8Front
1978ChevroletG205.7LV8Front
1978ChevroletG204.8LL6Front
1978ChevroletG305.0LV8Front
1978ChevroletG306.6LV8Front
1978ChevroletG304.1LL6Front
1978ChevroletG304.8LL6Front
1978ChevroletG305.7LV8Front
1978GMCG155.7LV8Front
1978GMCG155.0LV8Front
1978GMCG154.1LL6Front
Directly replaces or cross-references 29 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 9094APDI — 9010122Four Seasons — 98616Gates — 6857Global Parts Distributors LLC — 1811700Remy — 94616Remy — 96037UAC — HT399094C15-6002518-1170021-2094250-187108379212094250187279143039909439909450004293854315600253037531129032711290327230337531HTR010259P30 3037531P303037531ZGG710047