Spectra 99370 HVAC Heater Core

Spectra 99370 Heater Core for Jeep Wrangler

The Spectra 99370 HVAC heater core is a direct-fit replacement for select Jeep Wrangler applications from 2007-2018, including 2018 Jeep Wrangler JK. Built for the HVAC system, it helps restore cabin heat performance when the original heater core is leaking, restricted, or no longer transferring heat efficiently.

Key Features

• HVAC heater core replacement for Jeep Wrangler heating systems
• Fits 2007-2018 Jeep Wrangler, N/A
• Fits 2018 Jeep Wrangler JK, N/A
• Engineered to meet or exceed original equipment performance targets
• Cross-references Dorman - HELP 99370 for the same application
• Part number 99370 for fitment verification and ordering

Detailed Description

Spectra Premium uses manufacturing technology, engineering controls, and quality inspection processes to produce heater cores that align with OE replacement requirements. The Spectra 99370 is intended for Jeep Wrangler and Jeep Wrangler JK models listed in the fitment data, making it a practical choice when the factory heater core needs replacement. If you are searching for a Jeep Wrangler heater core replacement, Jeep Wrangler JK HVAC heater core, or Spectra 99370 heater core, this part matches those vehicle-specific applications.

Common Problems This Part Can Address

• Weak or uneven heat output from the HVAC system
• Coolant odor inside the cabin
• Fogging windows caused by heater core leakage
• Loss of coolant from a damaged heater core
• Restricted heat transfer in the cabin heater circuit

Installation Notes and Tips

Verify the vehicle year and model against the fitment list before installation. On Jeep Wrangler and Jeep Wrangler JK applications, heater core replacement typically requires access to HVAC components inside the dash area, so confirm all related seals, hoses, and coolant condition during service. Always bleed the cooling system according to factory procedures after installation.

Quality Assurance

Spectra Premium states that its HVAC heater cores are manufactured to meet or exceed original equipment performance for the applications they replace. Part number 99370 is built for confirmed Jeep Wrangler fitment and is supported by Spectra’s engineering and quality control process.