CDI Electronics

CDI Spark Tester 1-8 Cylinder - 519-S48 Spark Tester with external leads for those hard to reach locations. Capable of checking 1-8 cylinders. Tester can divide in two section for testing...

CDI Replacement Pump Assembly - 551-33PB Replacement Pump for newer 551-33-1 Gearcase Filler tanks w/ built-in drip pan Part Number CDI-551-33PB

CDI Replacement Pump Assembly - 551-33PA Replacement Pump for Older 551-33-1 Gearcase Filler without built-in drip pan Part Number CDI-551-33PA

CDI Gearcase Filler Valve - 551-33VA Replacement Valve for the 551-33-1 Gearcase Filler Please Note: This now metal valve replaces the old plastic version Part...

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

CDI Threaded Nozzle - 551-33TN Replacement Pump for newer 551-33-1 Gearcase Filler tanks w/ built-in drip pan Replaces: 551-33PB Part Number CDI-551-33TN

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 - 631-0008 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 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 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 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 - 631-0023 4 Cyl Mercruiser 3.0 LX (1991-97) Replaces: 18-8811-1, 18-8833-1, 631-0023, 84-816761Q14, 9-28056 Part Number CDI-631-0023

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...

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 Copper Core Spark Plug Wire - 931-2365 9.5” Double-booted spark plug wire Replaces: 18-5230-9-1, 18-5231-1, 582365, 931-2365 Part Number CDI-931-2365

CDI High Performance Spark Plug Wires 1994-2006 (85 JET, 90 & 115HP) 60 Degree Engines. Qty. 4 Replaces: 18-8839-1, 931-4922 Part Number CDI-931-4922

CDI Mercury Copper Core Spark Plug Wire Replacement spark plug wire for CDM Modules. Replaces: 84-821945A61, 934-7124 Part Number CDI-934-7124

CDI Mercury Distributor Cap Fits Most 1970-1979 (Outboard Engines w/ a Distributor) Includes: Distributor Brush & Spring Assembly. Replaces: 134-4841, 393-4841A 2, 994-4841 Part...

CDI Mercruiser Ignition Coil & Module (V6 & V8) Mercruisers, OMC and Volvo-Penta Engines. 2001 and newer 4.3L, 5.0L, 5.7L & 6.2L with 555 ECM Replaces: 18-5465, 3861985, 392-863704T,...