HomeOne Stop Solutions 98054 HVAC Heater Core
Part #: 98054

One Stop Solutions 98054 HVAC Heater Core

22 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick and Cadillac, Park Avenue, DeVille, and Seville
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Reliable HVAC Heater Core for Buick and Cadillac Models

The One Stop Solutions HVAC Heater Core, part number 98054, is designed specifically for select Buick and Cadillac vehicles. This heater core ensures efficient heating performance for your Buick DeVille, Cadillac Park Avenue, and Cadillac Seville models.

Key Features of One Stop Solutions Heater Core 98054

  • Compatible with Buick DeVille, Cadillac Park Avenue, and Cadillac Seville
  • Direct replacement HVAC heater core for optimal fit and function
  • Durable construction to withstand vehicle heating system demands
  • Part number 98054 for precise identification and ordering
  • Designed to maintain proper cabin temperature and comfort

Detailed Description of HVAC Heater Core 98054

This HVAC heater core from One Stop Solutions is engineered to meet the specific requirements of Buick DeVille, Cadillac Park Avenue, and Cadillac Seville vehicles. The heater core is a critical component of the vehicle’s heating and ventilation system, responsible for transferring heat from the engine coolant to the cabin air. Part number 98054 ensures compatibility and reliable performance, helping maintain a comfortable interior environment during colder conditions. Its robust design supports long-term durability and consistent heat output.

Common Applications and Issues Resolved

  • Restores heating functionality in Buick DeVille, Cadillac Park Avenue, and Cadillac Seville
  • Eliminates coolant leaks inside the vehicle cabin
  • Resolves insufficient or uneven heating problems
  • Prevents fogging and condensation caused by heater core failure
  • Addresses overheating issues 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 heater core removal to avoid spills
  • Follow manufacturer guidelines for heater core replacement procedures
  • Inspect and replace any worn or damaged hoses and clamps during installation
  • Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty Information

One Stop Solutions provides this HVAC heater core with a focus on quality and reliability. Part number 98054 undergoes rigorous testing to meet OEM standards for fit and function. While specific warranty details may vary, One Stop Solutions typically offers coverage against manufacturing defects to ensure customer confidence in the product’s durability and performance.

This part fits 22 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BuickPark Avenue3.8LV6N/A
2005CadillacDeVille4.6LV8N/A
2004BuickPark Avenue3.8LV6N/A
2004CadillacDeVille4.6LV8N/A
2004CadillacSeville4.6LV8N/A
2003BuickPark Avenue3.8LV6N/A
2003CadillacDeVille4.6LV8N/A
2003CadillacSeville4.6LV8N/A
2002BuickPark Avenue3.8LV6N/A
2002CadillacDeVille4.6LV8N/A
2002CadillacSeville4.6LV8N/A
2001BuickPark Avenue3.8LV6N/A
2001CadillacDeVille4.6LV8N/A
2001CadillacSeville4.6LV8N/A
2000BuickPark Avenue3.8LV6N/A
2000CadillacDeVille4.6LV8N/A
2000CadillacSeville4.6LV8N/A
1999BuickPark Avenue3.8LV6N/A
1999CadillacSeville4.6LV8N/A
1998BuickPark Avenue3.8LV6N/A
1998CadillacSeville4.6LV8N/A
1997BuickPark Avenue3.8LV6N/A

* 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:

39419293054

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.