Fitting a PORSCHE that needs a new Coolant Thermostat BORG & BECK OE Ref 99610601355? This one is built by BORG & BECK to OEM reference 99610601354, so it slots in as a straight swap for the original part — no modifications, no guesswork.
It's listed under BORG & BECK part number BBT478, EAN: 5055936660748, which you can cross-check against your old part before ordering to be sure it's the right fit.
Double-check fitment against OEM reference 99610601354, or run your registration through our vehicle lookup tool — some PORSCHE models share a platform across several years, so it's worth confirming rather than assuming.
Not quite the right one? The full Engine Cooling System range has other options worth a look.