CDI Mercruiser Ignition Lead Set - 631-0004 Application: 8 Cyl Thunderbolt Replaces Original OE Part Numbers: 631-0004, 816608Q61, 816761K4, 816761K61, 816761Q3, 816761Q4,...

CDI Mercruiser Ignition Lead Set - 631-0010 Application: 8 Cylinder GM Engines with Conventional Ignition - Mercruiser, OMC & Volvo. Replaces Original OE Part Numbers: 18-8802-1,...

CDI Mercruiser Ignition Lead Set - 631-0008 Application: 8 Cylinder Thunderbolt Replaces Original OE Part Numbers: 18-8804-1, 631-0008, 84-816608A61, 84-847701K4, 84-847701Q4,...

CDI Mercruiser Ignition Lead Set - 631-0007 Application: 4 Cylinder for Mercruiser & OMC 2.5L, 3.0L with Conventional Ignition Replaces Original OE Part Numbers: 18-8800-1, 503748,...

CDI Mercruiser Ignition Lead Set - 631-0006 Application: 8 Cylinder Mercruiser 454 EFI, MAG MPI, 502 EFI, MAG MPI engines with the Delco HEI Ignition Replaces Original OE Part...

CDI Mercruiser Ignition Lead Set - 631-0015 Application: 6 Cylinder Conventional Ignition with Delco Breaker Point Distributor Mercury Marine 470, 485, 488, 3.7L Aluminum Block Engines Replaces...

CDI Mercruiser Ignition Lead Set - 631-0011 Application: 8 Cylinder Mercruiser 5.0L MIE, MPI, with Delco HEI Ignition Replaces Original OE Part Numbers: 18-8828-1, 631-0011, 84-863656A1,...

CDI Ignition Lead Set - 631-0013 Application: (6 Cyl) Conventional Ignition with Delco Breaker Point Distributor Crusader Marine 229, 262 (4.3L) w/Elect. Ign., Indmar, Mastercraft, Marine Power...

CDI Ignition Lead Set - 631-0020 Application: V8 Distributorless Mercruiser Marine Model 8.1S MIE and HO MIE 496 (2000-Up). Suits models with individual coil packs per cylinder  Replaces...