Ilmor 02 Sensor PV07873 downstream & upstream play a very important role within your engine. If one of these is not working correctly, your entire engines performance can fail. Your MasterCraft boats engine will start to run rough and or start to knock, smell like unburnt fuel, and more. As we all should know, there are a lot of different factors that can cause these same symptoms so diagnosing the issue should always take place before just ordering parts. MAKE SURE YOU CHECK THE PLUG ENDS ON YOUR SENSORS COMPAIRED TO THESE AS ILMOR DID MAKE DESING CHANGES TO THE ENGINES AND THEIR HARNESSES OVER THE YEARS. PART #PV07873 Down Steam O2 sensor for MY 2022 and up. All engines types. COMPATIBLE WITH THE FOLLOWING ENGINES 6.0L MPI - Direct Drive 6.2L GDI - Direct Drive 5.3L GDI - V-Drive 5.3L GDI-S 6.2L GDI - V-Drive 6.2L GDI-S Supercharged 6.2L - V-Drive 6.0L MPI - V-Drive 5.3L GDI - Direct Drive 5500GDI (5.3L) - V-Drive 6000GDI (6.2L) - V-Drive 6000GDI (6.2L) - Direct Drive 5.3L-GDI - Direct Drive 6.2L-GDI - Direct Drive 6.2L-GDI - V-Drive 5.3L-GDI - V-Drive
