Universal Air HT400033C HVAC Heater Core

Brand Universal Air HT400033C
Fits —200 vehicles

Copper heater core. Transfers heat efficiently for dependable cabin warmth.

HVAC heater core for heating system performance.

$159.98Free shipping
In stock · usually ships same day before 1pm CST
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Universal Air HT400033C Heater Core

The Universal Air HT400033C is a copper HVAC heater core for restoring cabin heat performance in vehicles that use this application. It is a direct-fit style replacement for service work where the original heater core is leaking, restricted, or no longer transferring heat efficiently.

Key Features

  • Copper heater core construction for HVAC service replacement
  • Brand line: Heater Core Copper
  • Fits applications listed for the HT400033C part number
  • Supports heater output in the vehicle’s HVAC system
  • Relevant for heater core replacement on make/model-specific repairs

Product Details

Universal Air HT400033C is part of the Heater Core Copper line and is built for HVAC repair where a copper-core replacement is required. This heater core is used in the heating circuit to transfer engine coolant heat into the cabin air stream. For buyers searching for a heater core replacement, HVAC heater core, or copper heater core by part number HT400033C, this unit provides a focused service solution for the listed application.

Common Issues It Can Address

  • Weak or uneven cabin heat
  • Coolant odor inside the vehicle
  • Moisture or fogging from a leaking heater core
  • Restricted coolant flow through the HVAC heater circuit
  • Heat loss caused by a worn or corroded core

Installation Notes and Tips

Heater core replacement typically requires access to the HVAC case and careful handling of coolant lines and seals. Verify the vehicle’s original core style and connection layout before installation. For fitment-based searches, confirm the exact application by year, make, and model before ordering HT400033C.

Quality Assurance

Universal Air identifies this part within its Heater Core Copper product line for HVAC service applications. Part number HT400033C should be matched to the vehicle’s original heater core specification before installation.

This part fits 200 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypeNotes
2012KenworthT270————with Bergstrom Main Unit; Heater Core Copper
2012KenworthW900—8.9LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2012KenworthW900—14.6LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2012KenworthW900—11.9L-6DIESELwith Bergstrom Main Unit; Heater Core Copper
2012KenworthW900—8.9LL6CNGwith Bergstrom Main Unit; Heater Core Copper
2012KenworthW900—12.9L-6DIESELwith Bergstrom Main Unit; Heater Core Copper
2011KenworthC500————with Bergstrom Main Unit; Heater Core Copper
2011KenworthW900—12.9L-6—with Bergstrom Main Unit; Heater Core Copper
2011KenworthW900—14.6LL6—with Bergstrom Main Unit; Heater Core Copper
2011KenworthW900—14.9LL6—with Bergstrom Main Unit; Heater Core Copper
2011KenworthW900—10.8LL6—with Bergstrom Main Unit; Heater Core Copper
2011KenworthW900—15.8LL6—with Bergstrom Main Unit; Heater Core Copper
2011KenworthW900—12.5L-6—with Bergstrom Main Unit; Heater Core Copper
2010KenworthC500————with Bergstrom Main Unit; Heater Core Copper
2010KenworthT270—8.3LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2010KenworthT270—6.7LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2010KenworthT270—6.7LL6ELECTRIC/DIESELwith Bergstrom Main Unit; Heater Core Copper
2010KenworthT370—8.3LL6DIESELHeater Core Copper
2010KenworthT370—6.7LL6DIESELHeater Core Copper
2010KenworthT660—10.8LL6DIESELHeater Core Copper
2010KenworthT660—14.9LL6DIESELHeater Core Copper
2010KenworthT660—12.5L-6DIESELHeater Core Copper
2010KenworthT800—12.5L-6DIESELHeater Core Copper
2010KenworthT800—14.9LL6DIESELHeater Core Copper
2010KenworthT800—8.9LL6DIESELHeater Core Copper
2010KenworthT800—8.9LL6CNGHeater Core Copper
2010KenworthT800—10.3L-6DIESELHeater Core Copper
2010KenworthT800—14.6LL6DIESELHeater Core Copper
2010KenworthT800—11.1L-6DIESELHeater Core Copper
2010KenworthT800—10.8LL6DIESELHeater Core Copper
2010KenworthT800—15.8LL6DIESELHeater Core Copper
2010KenworthT800—15.0L-6CNGHeater Core Copper
2010KenworthW900—15.8LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2010KenworthW900—14.6LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2010KenworthW900—10.8LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2010KenworthW900—14.9LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2009KenworthT270—8.3LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2009KenworthT270—6.7LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2009KenworthT370—6.7LL6DIESELHeater Core Copper
2009KenworthT370—8.3LL6DIESELHeater Core Copper
2009KenworthT660—12.5L-6DIESELHeater Core Copper
2009KenworthT660—10.8LL6DIESELHeater Core Copper
2009KenworthT660—14.9LL6DIESELHeater Core Copper
2009KenworthT800—8.9LL6DIESELHeater Core Copper
2009KenworthT800—11.1L-6DIESELHeater Core Copper
2009KenworthT800—10.8LL6DIESELHeater Core Copper
2009KenworthT800—15.8LL6DIESELHeater Core Copper
2009KenworthT800—8.9LL6CNGHeater Core Copper
2009KenworthT800—14.6LL6DIESELHeater Core Copper
2009KenworthT800—15.0L-6CNGHeater Core Copper
2009KenworthT800—8.8LL6DIESELHeater Core Copper
2009KenworthT800—12.5L-6DIESELHeater Core Copper
2009KenworthT800—14.9LL6DIESELHeater Core Copper
2009KenworthW900—14.6LL6—with Bergstrom Main Unit; Heater Core Copper
2009KenworthW900—12.5L-6—with Bergstrom Main Unit; Heater Core Copper
2009KenworthW900—8.9LL6—with Bergstrom Main Unit; Heater Core Copper
2009KenworthW900—15.8LL6—with Bergstrom Main Unit; Heater Core Copper
2008KenworthC500—11.1L-6—with Bergstrom Main Unit; Heater Core Copper
2008KenworthC500—14.9LL6—with Bergstrom Main Unit; Heater Core Copper
2008KenworthT300Base5.9LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2008KenworthT300Base8.3LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2008KenworthT300Base6.7LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2008KenworthT370————Heater Core Copper
2008KenworthT800—12.5L-6DIESELHeater Core Copper
2008KenworthT800—14.9LL6DIESELHeater Core Copper
2008KenworthT800—8.9LL6DIESELHeater Core Copper
2008KenworthT800—14.6LL6DIESELHeater Core Copper
2008KenworthT800—11.1L-6DIESELHeater Core Copper
2008KenworthT800—15.8LL6DIESELHeater Core Copper
2008KenworthT800—8.8LL6DIESELHeater Core Copper
2008KenworthT800—10.8LL6DIESELHeater Core Copper
2008KenworthW900—8.8LL6—with Bergstrom Main Unit; Heater Core Copper
2008KenworthW900—10.8LL6—with Bergstrom Main Unit; Heater Core Copper
2008KenworthW900—14.6LL6—with Bergstrom Main Unit; Heater Core Copper
2008KenworthW900—14.9LL6—with Bergstrom Main Unit; Heater Core Copper
2008KenworthW900—15.8LL6—with Bergstrom Main Unit; Heater Core Copper
2008KenworthW900—12.5L-6—with Bergstrom Main Unit; Heater Core Copper
2007KenworthT300Base5.9LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2007KenworthT300Base8.3LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2007KenworthT300Base7.2LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2007KenworthT600A—11.1L-6DIESELHeater Core Copper
2007KenworthT600A—10.8LL6DIESELHeater Core Copper
2007KenworthT600A—14.9LL6DIESELHeater Core Copper
2007KenworthT600A—12.5L-6DIESELHeater Core Copper
2007KenworthT800—7.2LL6DIESELHeater Core Copper
2007KenworthT800—11.1L-6DIESELHeater Core Copper
2007KenworthT800—10.8LL6DIESELHeater Core Copper
2007KenworthT800—8.9LL6DIESELHeater Core Copper
2007KenworthT800—14.6LL6DIESELHeater Core Copper
2007KenworthT800—15.8LL6DIESELHeater Core Copper
2007KenworthT800—12.5L-6DIESELHeater Core Copper
2007KenworthT800—14.9LL6DIESELHeater Core Copper
2007KenworthW900—11.1L-6—with Bergstrom Main Unit; Heater Core Copper
2007KenworthW900—10.8LL6—with Bergstrom Main Unit; Heater Core Copper
2007KenworthW900—14.6LL6—with Bergstrom Main Unit; Heater Core Copper
2007KenworthW900—14.9LL6—with Bergstrom Main Unit; Heater Core Copper
2007KenworthW900—15.8LL6—with Bergstrom Main Unit; Heater Core Copper
2007KenworthW900—12.5L-6—with Bergstrom Main Unit; Heater Core Copper
2006KenworthC500—14.9LL6—with Bergstrom Main Unit; Heater Core Copper
2006KenworthC500—12.5L-6—with Bergstrom Main Unit; Heater Core Copper
2006KenworthT300Base8.3LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2006KenworthT300Base7.2LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2006KenworthT600A—12.5L-6—Heater Core Copper
2006KenworthT600A—14.9LL6—Heater Core Copper
2006KenworthT600A—10.8LL6—Heater Core Copper
2006KenworthT600A—11.1L-6—Heater Core Copper
2006KenworthT800—10.8LL6DIESELHeater Core Copper
2006KenworthT800—12.5L-6DIESELHeater Core Copper
2006KenworthT800—15.8LL6DIESELHeater Core Copper
2006KenworthT800—14.9LL6DIESELHeater Core Copper
2006KenworthT800—8.9LL6DIESELHeater Core Copper
2006KenworthT800—14.6LL6DIESELHeater Core Copper
2006KenworthT800—11.1L-6DIESELHeater Core Copper
2006KenworthT800—14.0L-12DIESELHeater Core Copper
2006KenworthW900—14.6LL6—with Bergstrom Main Unit; Heater Core Copper
2006KenworthW900—12.5L-6—with Bergstrom Main Unit; Heater Core Copper
2006KenworthW900—8.9LL6—with Bergstrom Main Unit; Heater Core Copper
2006KenworthW900—11.1L-6—with Bergstrom Main Unit; Heater Core Copper
2006KenworthW900—10.8LL6—with Bergstrom Main Unit; Heater Core Copper
2006KenworthW900—15.8LL6—with Bergstrom Main Unit; Heater Core Copper
2005KenworthT300—8.3LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2005KenworthT300—7.2LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2005KenworthT300—5.9LL6DIESELwith Bergstrom Main Unit; Heater Core Copper
2005KenworthT600A—12.5L-6DIESELHeater Core Copper
2005KenworthT600A—14.9LL6DIESELHeater Core Copper
2005KenworthT600A—10.8LL6DIESELHeater Core Copper
2005KenworthT600A—11.1L-6DIESELHeater Core Copper
2005KenworthT800—15.8LL6DIESELHeater Core Copper
2005KenworthT800—14.9LL6DIESELHeater Core Copper
2005KenworthT800—7.2LL6DIESELHeater Core Copper
2005KenworthT800—8.9LL6DIESELHeater Core Copper
2005KenworthT800—14.6LL6DIESELHeater Core Copper
2005KenworthT800—11.1L-6DIESELHeater Core Copper
2005KenworthT800—10.8LL6DIESELHeater Core Copper
2005KenworthT800—12.5L-6DIESELHeater Core Copper
2005KenworthW900—10.8LL6—with Bergstrom Main Unit; Heater Core Copper
2005KenworthW900—14.6LL6—with Bergstrom Main Unit; Heater Core Copper
2005KenworthW900—14.9LL6—with Bergstrom Main Unit; Heater Core Copper
2005KenworthW900—12.5L-6—with Bergstrom Main Unit; Heater Core Copper
2005KenworthW900—15.8LL6—with Bergstrom Main Unit; Heater Core Copper
2005KenworthW900—8.3LL6—with Bergstrom Main Unit; Heater Core Copper
2004KenworthT300————with Bergstrom Main Unit; Heater Core Copper
2004KenworthT600A—14.9LL6—Heater Core Copper
2004KenworthT600A—10.8LL6—Heater Core Copper
2004KenworthT800————Heater Core Copper
2004KenworthW900————with Bergstrom Main Unit; Heater Core Copper
2003KenworthC500————with Bergstrom Main Unit; Heater Core Copper
2003KenworthT600A—10.8LL6—Heater Core Copper
2003KenworthT600A—12.7LL6—Heater Core Copper
2003KenworthT600A—14.9LL6—Heater Core Copper
2003KenworthT800————Heater Core Copper
2002KenworthT300————with Bergstrom Main Unit; Heater Core Copper
2002KenworthT600A—14.0LL6—Heater Core Copper
2002KenworthT600A—12.7LL6—Heater Core Copper
2002KenworthT600A—14.9LL6—Heater Core Copper
2002KenworthT600A—5.9LL6—Heater Core Copper
2002KenworthT600A—10.8LL6—Heater Core Copper
2002KenworthT800————Heater Core Copper
2001KenworthT600A—5.9LL6—Heater Core Copper
2001KenworthT600A—12.7LL6—Heater Core Copper
2001KenworthT600A—14.0LL6—Heater Core Copper
2001KenworthT600A—10.3L-6—Heater Core Copper
2001KenworthT600A—10.8LL6—Heater Core Copper
2001KenworthT600A—8.3LL6—Heater Core Copper
2001KenworthT600A—8.5LL4—Heater Core Copper
2001KenworthT800————Heater Core Copper
2001KenworthW900————with Bergstrom Main Unit; Heater Core Copper
2000KenworthT300————with Bergstrom Main Unit; Heater Core Copper
2000KenworthT600A—10.8LL6—Heater Core Copper
2000KenworthT600A—12.7LL6—Heater Core Copper
2000KenworthT600A—14.0LL6—Heater Core Copper
2000KenworthT600A—14.9LL6—Heater Core Copper
2000KenworthT600A—5.9LL6—Heater Core Copper
2000KenworthT800————Heater Core Copper
1999KenworthT600A————Heater Core Copper
1999KenworthT800————Heater Core Copper
1999KenworthW900————with Bergstrom Main Unit; Heater Core Copper
1998KenworthT600A————Heater Core Copper
1998KenworthT800————Heater Core Copper
1998KenworthW900————with Bergstrom Main Unit; Heater Core Copper
1997KenworthT300————with Bergstrom Main Unit; Heater Core Copper
1997KenworthT600A————Heater Core Copper
1997KenworthT800————Heater Core Copper
1996KenworthT400————Heater Core Copper
1996KenworthT600A————Heater Core Copper
1996KenworthT800————Heater Core Copper
1996KenworthW900————with Bergstrom Main Unit; Heater Core Copper
1995KenworthT400————Heater Core Copper
1995KenworthT600A————Heater Core Copper
1995KenworthT800————Heater Core Copper
1995KenworthW900————with Bergstrom Main Unit; Heater Core Copper
1993KenworthC500————with Bergstrom Main Unit; Heater Core Copper
1989KenworthC500————with Bergstrom Main Unit; Heater Core Copper
1989KenworthW900————with Bergstrom Main Unit; Heater Core Copper
1988KenworthW900————with Bergstrom Main Unit; Heater Core Copper
1987KenworthW900————with Bergstrom Main Unit; Heater Core Copper
1986KenworthC500————with Bergstrom Main Unit; Heater Core Copper
1986KenworthW900————with Bergstrom Main Unit; Heater Core Copper
1984KenworthC500————with Bergstrom Main Unit; Heater Core Copper
1982KenworthC500————with Bergstrom Main Unit; Heater Core Copper