Description
Chrysler 300 Heater Core for Sale, HVAC Heat Exchanger
Direct fit Chrysler 300 modern full-size rear-wheel-drive sedan 2005-2023 (19-year production, discontinued after 2023 along with Dodge Charger/Challenger as Stellantis ended LX/LD platform).
Two generations: 1st gen 2005-2010 LX platform (revived 300 name from 1950s heritage), 2nd gen 2011-2023 LD platform (major styling refresh). Engines: 5.7L Hemi V8 (300C iconic), 6.4L Hemi V8 (300C SRT8 top performance), 3.6L Pentastar V6 (common base 2011-2023), 3.5L V6 earlier, 2.7L V6 earliest.
Heater core = standard HVAC tube-and-fin heat exchanger. Coolant heats cabin air. Common failure: coolant leak from age (sweet smell, foggy windshield, wet carpet). Installation requires dashboard removal (6-10 hours). Inspected and pressure tested.
Chrysler 300 Vehicle Context
Production: 2005-2023 (19 years)
Body: 4-door sedan, RWD/AWD
Platform: LX (2005-2010), LD (2011-2023)
Heritage revival: From 1950s ‘Letter Series’
Discontinued after 2023: Stellantis ended LX/LD
Engine Options
Vehicle Compatibility
Year and Engine Specific Fitment:
| Chrysler 300 2005-2010 (1st Gen LX) | Direct fit |
|---|---|
| Chrysler 300 2011-2023 (2nd Gen LD) | Direct fit (different from 1st gen) |
| Chrysler 300C (5.7L Hemi V8) | Same heater core as base V6 |
| Chrysler 300C SRT8 (6.4L Hemi) | Same heater core |
| Chrysler 300 3.6L Pentastar V6 | Direct fit 2011-2023 |
| Chrysler 300 3.5L V6 | Direct fit 2005-2010 |
| Chrysler 300 2.7L V6 | Direct fit 2005-2008 |
| Chrysler 300 RWD | Standard drivetrain |
| Chrysler 300 AWD | All-wheel-drive option |
| Dodge Charger LX/LD (Cross-Reference) | Similar platform, similar HVAC |
| Dodge Challenger LX/LD (Cross-Reference) | Same platform family |
| NOT Compatible: Vintage 1950s Chrysler 300 | Different vehicle entirely |
| NOT Compatible: Other Chrysler Models | Pacifica, Sebring different |
Condition and Inspection
Tube integrity verified no leaks, no internal corrosion
Fin condition inspected not excessively bent
Hose connection integrity inlet and outlet ports
Pressure tested at operating pressure for leaks
External cleanliness no excessive debris/buildup
Mounting tabs verified HVAC plenum mounting
Year/generation verified
Donor vehicle disclosed year, gen, engine, mileage
Cleaned of dirt and debris
Packaged with port protection hose fittings
For Chrysler 300 heater core (2005-2023)
Both generations supported (LX 2005-2010, LD 2011-2023)
All engine options (V6 and Hemi V8)
300C (5.7L Hemi V8) expertise
300C SRT8 (6.4L Hemi) expertise
3.6L Pentastar V6 supported (common base)
Discontinued vehicle expertise (post-2023)
Pre-discontinuation donor sourcing
Tube integrity verified
Pressure tested for leaks
Fin condition inspected
Hose connections verified
US salvage yard network (good supply)
Aftermarket reproduction option backup
Donor vehicle disclosed
Free shipping all 50 states
15 day replacement warranty
No core charge
Demosthenes Papadopoulos-Antoniadis –
Replaced heater core on my 2014 Chrysler 300C (2nd gen LD platform, 5.7L Hemi V8). Started getting the classic sweet antifreeze smell and foggy windshield, found wet passenger carpet – all classic heater core failure symptoms Vaz had described. They sourced a 2015 Chrysler 300 donor with low miles (heater core comes from same generation, same engine). Tube integrity verified, pressure tested no leaks. My shop charged 8 hours labor for the dashboard removal but the heater core itself fit perfectl
Ealdgyth Lothbrok-Ragnarsson –
Bought heater core for my 2008 Chrysler 300 (1st gen LX platform, 3.5L V6). Vaz educated me on the generation difference (1st gen LX 2005-2010 vs 2nd gen LD 2011-2023) – heater cores differ between generations. They sourced a 2009 LX donor matching my 1st gen. The discontinuation context (Stellantis ending LX/LD after 2023) was interesting – I had no idea the 300 was being discontinued. One star off because my shop discovered the AC evaporator was also weeping (different component but accessed d