Bosch Plat + 4 -- Which One?
Bosch Plat + 4 -- Which One?
I have a 97 with the 4.6 L and am running the Bosch Plat + 4 spark plugs with part # 4459. Is this the correct one?
I read somewhere on this site that 4459 was for the 5.4.
I read somewhere on this site that 4459 was for the 5.4.


