Item Type: Ignition Coil Material: Steel Alloy + ABS OEM: 898253T27, 817378T Replaces Part Number: 898253T27, 817378, 817378T Replacement for Mercruiser: 898253T27, 817378, 817378T, 4.3L EFI 262 Mag (TBI) 1996-1998, 350 MAG Bravo MPI, 350 MAG MPI MIE, 350 MAG EFI SKI, Black Scorpion, Black Scorpion Ski, 377 Scorpion MCM, 377 Scorpion SKI, 454 EFI, 454 MAG, 454 MPI, 454 Horizon MIE Replacement for OMC: 3854002, 3854002-7, 3862176, 3854922, 3883158 Replacement for Crusader: 7243200 Replacement for GLM: 72113 Replacement for Sierra: 18-5443 Fitment: Replacement for GM Inline 4, V6, and V8 engines with Delco EST system, 3.0L, 5.7L, and 7.4L Functions: - Converts low voltage current to high voltage for efficient ignition - Increases ignition energy intensity for improved starting performance - Designed for direct replacement of original equipment - Simple installation, no complicated modifications required - Matches original specifications for reliable operation Note: Please verify the part number of your existing unit. Compatibility information is for reference only. If uncertain, confirm fitment before purchase to avoid returns. Package Includes: 1 x Ignition Coil