S155IP MASUMA Iridium+platinum SPARK PLUG Auto Engine Parts 55210685 68238112AA 55249868 IKR9J8

The MASUMA S155IP spark plug combines the best of both iridium and platinum materials for outstanding ignition reliability. Compatible with part numbers 55210685, 68238112AA, 55249868, and IKR9J8, this plug suits various European and American vehicles. Its ultra-fine iridium center electrode ensures high-temperature resistance and efficient combustion, while the platinum ground electrode prolongs plug life. This premium plug improves cold starting, fuel efficiency, and reduces emissions. Ideal for modern engines with tight tolerances and high performance expectations.

Type : Iridium-Platinum
Thread Size : M12x1.25
Heat Range9
Gap (mm) : 0.8
Electrode Material : Dual precious metal
Compatible Vehicles : Euro 5/6 Diesel Engines