HomeHVAC > Motors, Core, Case and Related ComponentsUniversal Air HT399424C HVAC Heater Core
Part #: HT399424C

Universal Air HT399424C HVAC Heater Core

Heater Core Aluminum
33 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$78.45Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Heater Core Aluminum
Fitment: Chevrolet, GMC, and Isuzu, Colorado, Canyon, i-290, i-370, SSR, i-280, and i-350
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Universal Air Heater Core Aluminum HT399424C

The Universal Air Heater Core Aluminum HT399424C is designed to restore efficient heating performance in select Chevrolet, GMC, and Isuzu vehicles. This HVAC heater core is engineered to meet the specific requirements of models such as the Chevrolet Colorado and GMC Canyon, ensuring reliable operation and proper fitment.

  • Compatible with Chevrolet Colorado, GMC Canyon, Isuzu i-280, i-290, i-350, i-370, and SSR models
  • Part number HT399424C for precise identification and ordering
  • Constructed from durable aluminum for effective heat transfer and corrosion resistance
  • Direct replacement HVAC heater core for seamless installation
  • Designed to maintain optimal cabin heating and defrosting functions

Detailed Product Description

This HVAC heater core from Universal Air is part of the Heater Core Aluminum product line, which focuses on aluminum construction to provide enhanced heat dissipation and long-term durability. The HT399424C heater core is engineered to fit specific Chevrolet, GMC, and Isuzu models, including the Chevrolet Colorado and GMC Canyon, as well as Isuzu i-series trucks and the SSR. Its aluminum design helps resist corrosion and improves thermal efficiency compared to traditional copper cores.

The heater core plays a critical role in the vehicle's heating and ventilation system by transferring heat from the engine coolant to the cabin air. This replacement part ensures that your vehicle’s HVAC system continues to provide consistent warmth and defrost capability, especially in colder climates.

Common Applications and Issues Addressed

  • Restores heating performance in Chevrolet Colorado and GMC Canyon vehicles
  • Resolves coolant leaks inside the cabin caused by a failing heater core
  • Eliminates fogging or poor defrosting due to inadequate heat transfer
  • Replaces clogged or corroded heater cores in Isuzu i-280, i-290, i-350, i-370, and SSR models
  • Prevents engine overheating related to heater core blockages

Installation Notes and Tips

  • Ensure compatibility by verifying vehicle make, model, and year before installation
  • Drain the cooling system prior to removal to avoid coolant spills
  • Carefully disconnect heater hoses and electrical connectors to prevent damage
  • Inspect and replace any worn seals or gaskets during installation
  • Refill and bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

The Universal Air Heater Core Aluminum HT399424C is manufactured to meet industry standards for fit and function. While specific warranty details are not provided, Universal Air products typically undergo quality control processes to ensure reliability and performance. For warranty information, consult the product documentation or contact the distributor.

This part fits 33 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2012ChevroletColoradoN/AHeater Core Aluminum
2012GMCCanyonN/AHeater Core Aluminum
2011ChevroletColoradoN/AHeater Core Aluminum
2011GMCCanyonN/AHeater Core Aluminum
2010ChevroletColoradoBase3.7LL5N/AHeater Core Aluminum
2010ChevroletColoradoLT3.7LL5N/AHeater Core Aluminum
2010ChevroletColoradoWT2.9LL4N/AHeater Core Aluminum
2010ChevroletColoradoLT5.3LV8N/AHeater Core Aluminum
2010ChevroletColoradoLT2.9LL4N/AHeater Core Aluminum
2010ChevroletColoradoWT3.7LL5N/AHeater Core Aluminum
2010GMCCanyonN/AHeater Core Aluminum
2009ChevroletColoradoN/AHeater Core Aluminum
2009GMCCanyonN/AHeater Core Aluminum
2008ChevroletColoradoN/AHeater Core Aluminum
2008GMCCanyonN/AHeater Core Aluminum
2008Isuzui-290N/AHeater Core Aluminum
2008Isuzui-370N/AHeater Core Aluminum
2007ChevroletColoradoN/AHeater Core Aluminum
2007GMCCanyonN/AHeater Core Aluminum
2007Isuzui-290N/AHeater Core Aluminum
2007Isuzui-370N/AHeater Core Aluminum
2006ChevroletColoradoN/AHeater Core Aluminum
2006ChevroletSSRN/AHeater Core Aluminum
2006GMCCanyonN/AHeater Core Aluminum
2006Isuzui-280N/AHeater Core Aluminum
2006Isuzui-350N/AHeater Core Aluminum
2005ChevroletColoradoN/AHeater Core Aluminum
2005ChevroletSSRN/AHeater Core Aluminum
2005GMCCanyonN/AHeater Core Aluminum
2004ChevroletColoradoN/AHeater Core Aluminum
2004ChevroletSSRN/AHeater Core Aluminum
2004GMCCanyonN/AHeater Core Aluminum
2003ChevroletSSRN/AHeater Core Aluminum

* 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.