Universal Air
Heater Core Aluminum

Universal Air HT394212C HVAC Heater Core

Brand Universal Air HT394212C
Product line Heater Core Aluminum
Fits Buick, Pontiac, and Oldsmobile · 15 vehicles

Aluminum construction. Helps promote efficient heat transfer in the heater core.

Heater core. A key HVAC component that delivers cabin heat.

$89.47Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
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Step 2 — Quantity
Order total $89.47
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Heater Core for GM Full-Size Sedan Applications

Universal Air HT394212C is an aluminum HVAC heater core for select GM vehicles. It is built for direct replacement service in the heating system and is listed for 2000-2005 Buick LeSabre, 2000-2005 Pontiac Bonneville, and 2001-2003 Oldsmobile Aurora.

Key Features

  • Aluminum heater core construction
  • HVAC heater core replacement for in-cabin heat transfer
  • Fits 2000-2005 Buick LeSabre, N/A
  • Fits 2000-2005 Pontiac Bonneville, N/A
  • Fits 2001-2003 Oldsmobile Aurora, N/A
  • Part number HT394212C for catalog and fitment lookup

Product Details

This Universal Air heater core is part of the Heater Core Aluminum product line and is intended for vehicles that use an aluminum HVAC core in the heater case. For buyers searching for a Buick LeSabre heater core, Pontiac Bonneville heater core, or Oldsmobile Aurora heater core, HT394212C provides a fitment-specific replacement option. The aluminum design supports heat exchange within the HVAC system and is cataloged under part number HT394212C.

Common Problems It Can Address

  • Weak or uneven cabin heat output
  • Coolant odor inside the vehicle
  • Moisture or fogging from a leaking heater core
  • Restricted heat flow through a clogged core
  • HVAC performance loss tied to a failed heater core

Installation Notes and Tips

Verify the vehicle year, make, and model before ordering. Confirm the existing heater core style and HVAC case configuration during disassembly, since access typically requires removal of interior trim and related HVAC components. Compare the original unit to HT394212C before installation to confirm port location and overall match.

Quality Assurance

Universal Air catalogs this heater core as part of its Heater Core Aluminum line for application-specific replacement service. Part number HT394212C is listed for the vehicles shown above and should be matched to the original component before installation.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005BuickLeSabreN/AHeater Core Aluminum
2005PontiacBonnevilleN/AHeater Core Aluminum
2004BuickLeSabreN/AHeater Core Aluminum
2004PontiacBonnevilleN/AHeater Core Aluminum
2003BuickLeSabreN/AHeater Core Aluminum
2003OldsmobileAuroraN/AHeater Core Aluminum
2003PontiacBonnevilleN/AHeater Core Aluminum
2002BuickLeSabreN/AHeater Core Aluminum
2002OldsmobileAuroraN/AHeater Core Aluminum
2002PontiacBonnevilleN/AHeater Core Aluminum
2001BuickLeSabreN/AHeater Core Aluminum
2001OldsmobileAuroraN/AHeater Core Aluminum
2001PontiacBonnevilleN/AHeater Core Aluminum
2000BuickLeSabreN/AHeater Core Aluminum
2000PontiacBonnevilleN/AHeater Core Aluminum