HomeHVAC > Motors, Core, Case and Related ComponentsSpectra 99391 HVAC Heater Core
Part #: 99391

Spectra 99391 HVAC Heater Core

⚙️ 24 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$93.68Free Shipping
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🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mitsubishi, Eclipse, Endeavor, and Galant
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable HVAC Heater Core for Mitsubishi Vehicles

The Spectra 99391 HVAC heater core is designed to restore efficient heating performance in select Mitsubishi models. Engineered to meet OEM specifications, this heater core ensures proper climate control for your vehicle's cabin.

  • Compatible with Mitsubishi Eclipse, Endeavor, and Galant models
  • Direct replacement HVAC heater core for part number 99391
  • Constructed to maintain optimal heat transfer and durability
  • Precision fitment to ensure seamless installation and operation
  • Manufactured by Spectra, a trusted name in automotive HVAC components

Product Details and Specifications

The Spectra 99391 heater core is a critical component of the HVAC system, responsible for transferring heat from the engine coolant to the vehicle’s interior. This part is specifically designed for Mitsubishi Eclipse, Endeavor, and Galant models, providing a precise fit and reliable performance. The heater core is built to withstand the thermal demands of the heating system while preventing leaks and corrosion. Its construction supports consistent cabin heating and defrosting functions, contributing to driver comfort and safety.

Compatible Vehicles and Common Applications

  • Restores heating functionality in Mitsubishi Eclipse models
  • Replaces faulty heater cores in Mitsubishi Endeavor vehicles
  • Ensures proper cabin temperature control in Mitsubishi Galant cars
  • Addresses issues such as insufficient heat output or coolant leaks
  • Helps resolve heater core clogging and corrosion problems

Installation Notes and Tips

Installation of the Spectra 99391 heater core requires removal of the dashboard and HVAC housing in the vehicle. It is recommended to drain the cooling system before beginning the replacement to avoid coolant spills. Careful handling is necessary to prevent damage to the delicate fins and tubes of the heater core. After installation, refill and bleed the cooling system to remove air pockets and ensure proper operation.

Quality Assurance and Warranty Information

Manufactured by Spectra, this heater core meets industry standards for quality and durability. While specific warranty details are not provided, Spectra products typically undergo rigorous testing to ensure reliable performance. Using the correct part number 99391 guarantees compatibility and helps maintain the integrity of your vehicle’s HVAC system.

This part fits 24 vehicles. Search below:

YearMakeModelPositionNotes
2012MitsubishiEclipseN/A
2012MitsubishiGalantN/A
2011MitsubishiEclipseN/A
2011MitsubishiEndeavorN/A
2011MitsubishiGalantN/A
2010MitsubishiEclipseN/A
2010MitsubishiEndeavorN/A
2010MitsubishiGalantN/A
2009MitsubishiEclipseN/A
2009MitsubishiEndeavorN/A
2009MitsubishiGalantN/A
2008MitsubishiEclipseN/A
2008MitsubishiEndeavorN/A
2008MitsubishiGalantN/A
2007MitsubishiEclipseN/A
2007MitsubishiEndeavorN/A
2007MitsubishiGalantN/A
2006MitsubishiEclipseN/A
2006MitsubishiEndeavorN/A
2006MitsubishiGalantN/A
2005MitsubishiEndeavorN/A
2005MitsubishiGalantN/A
2004MitsubishiEndeavorN/A
2004MitsubishiGalantN/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:

9010502922129229599391HT2078CHTR010631MR958199

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