HomeHVAC > Motors, Core, Case and Related ComponentsOne Stop Solutions 98977 HVAC Heater Core - Front
Part #: 98977

One Stop Solutions 98977 HVAC Heater Core - Front

Front
⚙️ 43 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Pontiac, Buick, Saturn, and Oldsmobile, Uplander, Montana, Rendezvous, Terraza, Relay, Venture, Aztek, and Silhouette
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Reliable HVAC Heater Core Replacement for Select GM Vehicles

The One Stop Solutions HVAC Heater Core part number 98977 is designed to provide a direct replacement for your Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn vehicles. Engineered to meet original equipment specifications, this heater core ensures proper fit and function for models including the Aztek, Montana, Relay, Rendezvous, Silhouette, Terraza, and Uplander.

Key Features of One Stop Solutions Heater Core 98977

  • Features drop-in fit, form, and function for easy installation
  • Addresses original design failures to enhance durability
  • Tested under cycle, vibration, burst, and environmental conditions
  • Constructed with premium grade materials for extended product life
  • Improves the longevity of high mileage vehicles

Detailed Product Description

This HVAC heater core from One Stop Solutions is engineered to replace the original component in select GM vehicles, including Buick Rendezvous and Chevrolet Uplander models. The part number 98977 is manufactured using premium materials that withstand the stresses of thermal cycling, vibration, and environmental exposure. This ensures the heater core maintains its integrity and performance over time, reducing the likelihood of premature failure. The design also addresses known issues found in original equipment, providing a more reliable heating solution for your vehicle’s HVAC system.

Common Applications and Problem Solving

This heater core is used to restore heating functionality and climate control efficiency in compatible vehicles. It is particularly effective in resolving:

  • Leaking or clogged heater cores causing coolant loss
  • Insufficient cabin heat due to core blockages
  • Overheating issues related to HVAC system failures
  • Premature heater core failures from original design weaknesses
  • Reduced heater core lifespan in high mileage vehicles

Installation Notes and Tips

Installation of the One Stop Solutions heater core 98977 requires basic HVAC system disassembly. Ensure the cooling system is properly drained before removal to avoid spills. Verify compatibility with your specific make and model, such as the Pontiac Montana or Saturn Relay, prior to installation. It is recommended to inspect and replace any worn hoses or seals during installation to prevent future leaks. Professional installation is advised for optimal results.

Quality Assurance and Warranty Information

One Stop Solutions manufactures this heater core to meet stringent quality standards, including testing for vibration, burst pressure, and environmental durability. The use of premium grade materials supports long-term reliability. While specific warranty details may vary, One Stop Solutions typically offers coverage against manufacturing defects to ensure customer confidence in the product’s performance.

This part fits 43 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009ChevroletUplander3.9LV6Front
2009PontiacMontana3.9LV6Front
2008ChevroletUplander3.9LV6Front
2008PontiacMontana3.9LV6Front
2007BuickRendezvous3.5LV6N/A
2007BuickTerraza3.9LV6Front
2007ChevroletUplander3.9LV6Front
2007PontiacMontana3.9LV6Front
2007SaturnRelay3.9LV6Front
2006BuickRendezvous3.5LV6N/A
2006BuickRendezvous3.6LV6N/A
2006BuickTerraza3.5LV6Front
2006BuickTerraza3.9LV6Front
2006ChevroletUplander3.5LV6Front
2006ChevroletUplander3.9LV6Front
2006PontiacMontana3.5LV6Front
2006PontiacMontana3.9LV6Front
2006SaturnRelay3.5LV6Front
2006SaturnRelay3.9LV6Front
2005BuickRendezvous3.4LV6N/A
2005BuickRendezvous3.6LV6N/A
2005BuickTerraza3.5LV6Front
2005ChevroletUplander3.5LV6Front
2005PontiacAztek3.4LV6N/A
2005PontiacMontana3.4LV6Front
2005PontiacMontana3.5LV6Front
2005SaturnRelay3.5LV6Front
2004BuickRendezvous3.4LV6N/A
2004BuickRendezvous3.6LV6N/A
2004OldsmobileSilhouette3.4LV6Front
2004PontiacAztek3.4LV6N/A
2004PontiacMontana3.4LV6Front
2003BuickRendezvous3.4LV6N/A
2003OldsmobileSilhouette3.4LV6Front
2003PontiacAztek3.4LV6N/A
2003PontiacMontana3.4LV6Front
2002BuickRendezvous3.4LV6N/A
2002OldsmobileSilhouette3.4LV6Front
2002PontiacAztek3.4LV6N/A
2002PontiacMontana3.4LV6Front
2001OldsmobileSilhouette3.4LV6Front
2001PontiacAztek3.4LV6N/A
2001PontiacMontana3.4LV6Front

* 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:

99225

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