Bring the warmth back to your cabin with the FOUR SEASONS heater core (MPN 91460), a copper/brass replacement that routes hot engine coolant through a finned core so the blower can push heated air into the passenger compartment and across the defroster vents. It's a direct-fit replacement for the 1989-1992 Dodge Colt and Dodge Colt / Colt 100 / Colt 200 / Colt Vista, 1989-1996 Eagle Summit, 1992-1995 Mitsubishi Expo, 1992-1994 Mitsubishi Expo LRV, 1989-1992 Mitsubishi Mirage, and 1989-1994 Plymouth Colt and Plymouth Colt / Colt 100 / Colt 200 / Colt Vista — see the Buyer's Guide tab for engine-level fitment.
- Copper/brass core: transfers heat from the coolant to the incoming cabin air.
- Heavy-duty construction built for durability.
- Quality engineering for O.E. fit, form and function.
- Independently tested for proven quality and performance.
Backed by Four Seasons' decades of mobile A/C experience, this hvac heater core is designed to install and perform like the original. If a leaking or plugged core is the cause of weak heat, a sweet coolant smell, fogged glass, or coolant loss, this replaces it. Always diagnose the cause before replacing, and inspect the cooling system when you service the core.
Frequently Asked Questions
What does the Four Seasons 91460 heater core do?
It routes hot engine coolant through a finned copper/brass core so the blower motor can push heated air into the cabin and across the defroster vents.
Which vehicles does this heater core fit?
It fits the 1989-1992 Dodge Colt, 1989-1996 Eagle Summit, 1992-1995 Mitsubishi Expo, 1992-1994 Expo LRV, 1989-1992 Mirage, and 1989-1994 Plymouth Colt. Check the Buyer's Guide tab for full engine-level fitment.
What is this heater core made of?
It uses a copper/brass core, which transfers heat from the engine coolant to the air entering the passenger compartment.
What are signs my heater core may need replacing?
Common signs include weak or no cabin heat, a sweet coolant odor, fogged windows, or unexplained coolant loss. Diagnose the cause first, as these can have other sources.
Is this called anything other than a heater core?
Yes, it is also listed as an HVAC heater core. Both names refer to the same coolant-to-air heat exchanger inside the heater housing.
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