HomeHVAC > Motors, Core, Case and Related ComponentsOne Stop Solutions 99020 HVAC Heater Core
Part #: 99020

One Stop Solutions 99020 HVAC Heater Core

⚙️ 50 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Pontiac, and Saturn, Cobalt, G5, HHR, Ion, and Pursuit
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Reliable HVAC Heater Core Replacement for Chevrolet, Pontiac, and Saturn

The One Stop Solutions 99020 HVAC heater core is designed to provide a direct replacement for select Chevrolet, Pontiac, and Saturn vehicles. Engineered to address original design shortcomings, this heater core offers improved durability and performance for high mileage models such as the Cobalt, G5, HHR, Ion, and Pursuit.

Key Features of One Stop Solutions 99020 Heater Core

  • Features drop-in fit, form, and function for straightforward installation
  • Addresses original design failures to extend component life
  • Tested under cycle, vibration, burst, and environmental conditions for reliability
  • Constructed with premium grade materials to enhance longevity
  • Improves the operational life of high mileage Chevrolet, Pontiac, and Saturn vehicles

Product Details and Performance Benefits

The 99020 heater core from One Stop Solutions is manufactured to meet or exceed OEM specifications, ensuring compatibility and dependable operation in your Chevrolet Cobalt, Pontiac G5, Saturn Ion, and other compatible models. This heater core undergoes rigorous testing including cycle, vibration, burst, and environmental state assessments to confirm its durability under real-world conditions. By utilizing premium materials, the product resists corrosion and wear, which helps maintain efficient heating performance over time. The design also addresses common failures found in original equipment, providing a more reliable heating solution for vehicles with higher mileage.

Common Applications and Problem Resolution

  • Replacement for leaking or clogged heater cores causing insufficient cabin heat
  • Solution for heater cores with corrosion or internal blockages
  • Fixes issues related to original design weaknesses leading to premature failure
  • Restores proper HVAC system function in Chevrolet Cobalt, Pontiac G5, Saturn Ion, and similar models
  • Improves heating system reliability in high mileage vehicles

Installation Notes and Tips

Installation of the One Stop Solutions 99020 heater core is designed to be a direct replacement, matching the original fit and function. It is recommended to carefully follow vehicle-specific service manuals for heater core removal and installation procedures. Ensure all connections are secure and the HVAC system is properly flushed to prevent contamination. Proper handling of the heater core during installation will help avoid damage to the fins and tubes.

Quality Assurance and Warranty Information

One Stop Solutions manufactures the 99020 heater core with quality control processes that include extensive testing to verify durability and performance. The use of premium materials and rigorous testing protocols supports product longevity. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.

BrandOne Stop Solutions
Part Number99020
BulletPoint 1Features drop-in fit, form, and function
BulletPoint 2Offers to solve original design failures and improve the life of
BulletPoint 3Utilizes cycle, vibration, burst, and environmental state of the
BulletPoint 4Features premium grade materials ensuring added product longevity
BulletPoint 5Improves the life of high mileage vehicles

This part fits 50 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011ChevroletHHR2.2LL4N/A
2011ChevroletHHR2.4LL4N/A
2010ChevroletCobalt2.0LL4N/A
2010ChevroletCobalt2.2LL4N/A
2010ChevroletHHR2.0LL4N/A
2010ChevroletHHR2.2LL4N/A
2010ChevroletHHR2.4LL4N/A
2010PontiacG52.2LL4N/A
2009ChevroletCobalt2.0LL4N/A
2009ChevroletCobalt2.2LL4N/A
2009ChevroletHHR2.0LL4N/A
2009ChevroletHHR2.2LL4N/A
2009ChevroletHHR2.4LL4N/A
2009PontiacG52.2LL4N/A
2008ChevroletCobalt2.0LL4N/A
2008ChevroletCobalt2.2LL4N/A
2008ChevroletCobalt2.4LL4N/A
2008ChevroletHHR2.0LL4N/A
2008ChevroletHHR2.2LL4N/A
2008ChevroletHHR2.4LL4N/A
2008PontiacG52.2LL4N/A
2008PontiacG52.4LL4N/A
2007ChevroletCobalt2.0LL4N/A
2007ChevroletCobalt2.2LL4N/A
2007ChevroletCobalt2.4LL4N/A
2007ChevroletHHR2.2LL4N/A
2007ChevroletHHR2.4LL4N/A
2007PontiacG52.2LL4N/A
2007PontiacG52.4LL4N/A
2007SaturnIon2.0LL4N/A
2007SaturnIon2.2LL4N/A
2007SaturnIon2.4LL4N/A
2006ChevroletCobalt2.0LL4N/A
2006ChevroletCobalt2.2LL4N/A
2006ChevroletCobalt2.4LL4N/A
2006ChevroletHHR2.2LL4N/A
2006ChevroletHHR2.4LL4N/A
2006PontiacPursuit2.2LL4N/A
2006PontiacPursuit2.4LL4N/A
2006SaturnIon2.0LL4N/A
2006SaturnIon2.2LL4N/A
2006SaturnIon2.4LL4N/A
2005ChevroletCobalt2.0LL4N/A
2005ChevroletCobalt2.2LL4N/A
2005PontiacPursuit2.2LL4N/A
2005SaturnIon2.0LL4N/A
2005SaturnIon2.2LL4N/A
2004SaturnIon2.0LL4N/A
2004SaturnIon2.2LL4N/A
2003SaturnIon2.2LL4N/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:

39991799304

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