← Mazda Miata NB (1999-2005 US model years)
Mazda Miata NB (1999-2005 US model years): Cooling mods
All-aluminum radiator Reported
R&T says to budget for an all-aluminum radiator if the original plastic end tanks are leaking.
Caveats: Part choice not sourced here.
Related issues: Plastic radiator end tanks go brittle; airflow blockage
Parts: NB radiator
Sources (1)
- Everything You Need to Know Before Buying a Second-Gen Mazda Miata — Road & Track (Jun 2016) (editorial; read 2026-10-15; full page read)