Spark Plug 4 Pack | Volvo 3851857 Volvo Penta 3851857 Spark Plug 4 Pack Fits Volvo Penta 3.0 GL MD, 3.0 GLM, 3.0 GLP-A, 3.0 GLP-B, 3.0 GLP-C, 3.0 GS MD, 3.0 GS HU, 3.0 GS NC, 3.0 GS LK, 3.0 GS BY, 3.0 GS WTR, 3.0 GS WTS, 3.0 GS EF, 5.0 GL BY, 5.0 GL WT, 5.0 GL EF, 5.0 GL-A, 5.0 Gi BY, 5.0 Gi WT, 5.0 Gi EF, 5.7 GS LK, 5.7 GS BY, 5.7 GS WT, 5.7 GS EF, 5.7 GSi LK, 5.7 GSi BY, 5.7 GSi WT, and 5.0 Fi model engines Original Volvo Penta Replaces OMC 502181 Replaces Volvo 3851858, 3856759