Spectra Premium HVAC Heater Core P/N:98066
Bring heat back to the cabin with the Spectra Premium HVAC Heater Core, manufacturer part number 98066. This compact coolant-fed radiator lets engine coolant flow through its tubes while the blower pushes air across the fins, transferring that heat into the passenger compartment. It installs as a direct-fit replacement across a range of 1992-1999 BMW 3-Series models, including the 318I, 318IS, 325I and M3.
- Aluminum core and tubes: paired with plastic tanks.
- Pipe sizing: 0.875 in inlet and 0.75 in outlet.
- OE-level performance: engineered to meet or exceed the original equipment it replaces.
Signs this heater core may need replacing include weak or no cabin heat, a sweet coolant smell inside, fogging on the inside of the windshield, or damp carpet from an internal leak. Because a leak can have other causes, diagnose the source before replacing. Country of origin: China.
Fits the following BMW applications (engine: All): 1992-1998 318I, 1992-1999 318IS, 1992-1997 325I, 1992-1995 325IS, 1995 320I, 1995-1999 M3, 1996-1999 328I, 1996-1999 328IS, 1997-1999 323I, 1998-1999 323IS, and 1999 323TI. See the Buyer's Guide tab for the full list. Manufacturer part number 98066.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this heater core do?
It's a small coolant-fed radiator: engine coolant flows through its aluminum tubes while the blower pushes air across the fins, transferring heat into the cabin.
Which vehicles does it fit?
It's a direct-fit replacement for 1992-1999 BMW 3-Series models including the 318I, 318IS, 320I, 323I, 323IS, 323TI, 325I, 325IS, 328I, 328IS and M3. See the Buyer's Guide tab.
What is it made of?
The core and tubes are aluminum, and the tanks are plastic.
What are the pipe sizes?
The inlet pipe is 0.875 in and the outlet pipe is 0.75 in in diameter.
What are signs it may need replacing?
Weak or no cabin heat, fogged windows, a sweet coolant odor inside, or damp carpet from an internal leak. Diagnose the cause first, since these can have other sources.
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