Best Seller | 1981-1986 Plymouth Reliant Heater Core - Autopart Premium Plymouth Reliant Heater Core. Brand: Autopart Premium. Fits Years: 1981, 1982, 1983, 1984, 1985, 1986, 81, 82, 83, 84, 85, 86. HVAC Heater Core -- It fits the model with A/C and 2 inches Thick Core HVAC Heater Core for Chrysler Town & Country Dodge... ... more 1981-1986 Plymouth Reliant Heater Core - Autopart Premium Plymouth Reliant Heater Core. Brand: Autopart Premium. Fits Years: 1981, 1982, 1983, 1984, 1985, 1986, 81, 82, 83, 84, 85, 86. HVAC Heater Core -- It fits the model with A/C and 2 inches Thick Core HVAC Heater Core for Chrysler Town & Country Dodge... Partsgeek.com | | $43.95 FREE shipping go to store |