HomeHVAC > Motors, Core, Case and Related ComponentsOne Stop Solutions 98053 HVAC Heater Core
Part #: 98053

One Stop Solutions 98053 HVAC Heater Core

19 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, Pontiac, and Oldsmobile, LeSabre, Bonneville, and Aurora
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Reliable HVAC Heater Core for Buick, Oldsmobile, and Pontiac

The One Stop Solutions HVAC Heater Core 98053 is designed to restore efficient heating performance in select Buick, Oldsmobile, and Pontiac vehicles. This heater core is engineered to meet the specific requirements of models like the Buick LeSabre, Oldsmobile Aurora, and Pontiac Bonneville.

  • Compatible with Buick Aurora, Oldsmobile Aurora, Pontiac Bonneville, and Buick LeSabre
  • OEM-quality HVAC heater core replacement part number 98053
  • Constructed for durability and efficient heat transfer
  • Designed to fit original equipment specifications
  • Direct replacement for HVAC heater core failures

Product Details and Specifications

The One Stop Solutions heater core 98053 is a direct-fit HVAC component intended for use in the heating and ventilation system of select GM vehicles. It is manufactured to match the original equipment dimensions and performance standards, ensuring proper fitment and reliable operation. This heater core facilitates the transfer of engine coolant heat into the vehicle cabin, providing consistent warmth during colder conditions. Compatible with Buick LeSabre, Oldsmobile Aurora, and Pontiac Bonneville models, this part supports the HVAC system’s ability to maintain comfortable interior temperatures.

Common Applications and Problem Resolution

  • Restores heating function in Buick LeSabre, Oldsmobile Aurora, and Pontiac Bonneville
  • Replaces leaking or clogged heater cores causing coolant loss
  • Eliminates fogging or poor cabin heat due to heater core failure
  • Addresses overheating issues related to HVAC system malfunction
  • Prevents coolant odors inside the vehicle cabin

Installation Notes and Tips

  • Ensure compatibility with vehicle make and model before installation
  • Drain engine coolant prior to heater core removal to avoid spills
  • Inspect and replace any worn or damaged hoses and seals during installation
  • Flush the cooling system to remove debris before installing the new heater core
  • Follow manufacturer torque specifications for all fasteners

Quality Assurance and Warranty Information

One Stop Solutions provides this HVAC heater core 98053 with quality standards aligned to original equipment specifications. While specific warranty details may vary, the product is backed by manufacturer coverage against defects in materials and workmanship. Proper installation and maintenance are essential to ensure long-term performance and reliability in Buick, Oldsmobile, and Pontiac vehicles.

This part fits 19 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BuickLeSabre3.8LV6N/A
2005PontiacBonneville3.8LV6N/A
2005PontiacBonneville4.6LV8N/A
2004BuickLeSabre3.8LV6N/A
2004PontiacBonneville3.8LV6N/A
2004PontiacBonneville4.6LV8N/A
2003BuickLeSabre3.8LV6N/A
2003OldsmobileAurora4.0LV8N/A
2003PontiacBonneville3.8LV6N/A
2002BuickLeSabre3.8LV6N/A
2002OldsmobileAurora4.0LV8N/A
2002OldsmobileAurora3.5LV6N/A
2002PontiacBonneville3.8LV6N/A
2001BuickLeSabre3.8LV6N/A
2001OldsmobileAurora4.0LV8N/A
2001OldsmobileAurora3.5LV6N/A
2001PontiacBonneville3.8LV6N/A
2000BuickLeSabre3.8LV6N/A
2000PontiacBonneville3.8LV6N/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:

39421293053

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