Parts for Mercury Marine 250 HP (3.0L EFI) Electrical Components
View diagram and parts list below.
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 | 825296T 1 | PLATE, Electrical Mounting (1 required per assembly) |
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#2 | 10-821291 14 | SCREW, (M6 x 14) (2 required per assembly) |
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#3 | 827509T 7 | CDM MODULE ASSEMBLY (6 required per assembly) |
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#4 | 84-857124A 1 | CABLE ASSEMBLY, Hi-Tension (SINGLE CABLE) (6 required per assembly) |
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#5 | 85-857074A 1 | BOOT/TERMINAL KIT (6 required per assembly) |
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#6 | 10-821291 16 | SCREW, (M6 x 16) (12 required per assembly) |
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#7 | 54-816311T | TIE STRAP, (8.00 Inches) (AR required per assembly) |
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54-816311T - Tie Strap, 8 Inches, Priced Individually [ More info ] |
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#8 | 33-941 | SPARK PLUG (6 required per assembly) |
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33-941 - SPARK PLUG O [ More info ] Unavailable |
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#9 | 10-818934 35 | SCREW, (M8 x 35) (4 required per assembly) |
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#10 | 12-49436 | WASHER (4 required per assembly) |
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#11 | 25-825380 | GROMMET (4 required per assembly) |
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#12 | 23-19064 | BUSHING (4 required per assembly) |
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23-19064 - Bushing [ More info ]
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#13 | 830044 17 | ECU, Engine Control Unit (CDI) (1 required per assembly) (225/250) SN# 0G960500 & Up |
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830044 17 - 830044 17 - ECU Engine Contro O [ More info ] Unavailable Replaced by -83004417S |
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83004417S - 83004417S - ECU O [ More info ] Unavailable Replaced by -83004417T |
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83004417T - ECU O [ More info ] Unavailable |
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#13 | 830044 14 | ECU, Engine Control Unit (CDI) (1 required per assembly) (225) SN# 0G960499 & Below |
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830044 14 - 830044 14 - ECU Engine Contro O [ More info ] Unavailable Replaced by -83004414T |
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83004414T - ECU O [ More info ] Unavailable |
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#13 | 830044 15 | ECU, Engine Control Unit (CDI) (1 required per assembly) (250) SN# 0G960499 & Below |
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830044 15 - 830044 15 - ECU Engine Contro O [ More info ] Unavailable Replaced by -83004415T |
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83004415T - ECU O [ More info ] Unavailable |
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#14 | 830046 12 | ECU, Engine Control Unit (EFI) (1 required per assembly) (225) SN# 0G960500 & Up |
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830046 12 - 830046 12 - ECU Engine Contro O [ More info ] Unavailable Replaced by -83004612S |
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83004612S - 83004612S - ECU O [ More info ] Unavailable Replaced by -83004612T |
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83004612T - ECU O [ More info ] Unavailable |
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#14 | 830046 13 | ECU, Engine Control Unit (EFI) (1 required per assembly) (250) SN# 0G960500 & Up |
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830046 13 - 830046 13 - ECU Engine Contro O [ More info ] Unavailable Replaced by -83004613S |
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83004613S - 83004613S - ECU O [ More info ] Unavailable Replaced by -83004613T |
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83004613T - ECU O [ More info ] Unavailable |
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#14 | 830046 7 | ECU, Engine Control Unit (EFI) (1 required per assembly) (225) SN# 0G960499 & Below |
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830046 7 - 830046 7 - ECU Engine Contro O [ More info ] Unavailable Replaced by -830046T07 |
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830046T07 - ECU O [ More info ] Unavailable |
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#14 | 830046 8 | ECU, Engine Control Unit (EFI) (1 required per assembly) (250) SN# 0G960499 & Below |
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830046 8 - 830046 8 - ECU Engine Contro O [ More info ] Unavailable Replaced by -830046T08 |
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830046T08 - ECU O [ More info ] Unavailable |
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#15 | 10-821291 45 | SCREW, (M6 x 45) (8 required per assembly) |
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#16 | 54-826188 | CLAMP (1 required per assembly) |
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#17 | 10-821045 20 | SCREW, (M5 x 20) (M5 X 20) (1 required per assembly) |
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#18 | 84-825763A 5 | HARNESS ASSEMBLY (EFI) (1 required per assembly) |
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#19 | 84-825433A11 | HARNESS ASSEMBLY, Ignition (1 required per assembly) |
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#20 | 828151A 1 | RELAY ASSEMBLY (2 required per assembly) |
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828151A 1 - 828151A 1 - RELAY ASSEMBLY O [ More info ] Unavailable Replaced by -882751A 1 |
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#21 | 25-818967 | GROMMET (2 required per assembly) |
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#22 | 828102 | BRACKET (2 required per assembly) |
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#23 | 23-818968 | BUSHING (2 required per assembly) |
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#24 | NSS | NOT SOLD SEPARATE, Decal-Trim Relay (2 required per assembly) |
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NSS - NOT SOLD SEPARATE O [ More info ] Unavailable |
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#25 | 84-826802A 2 | HARNESS ASSEMBLY, Trim (1 required per assembly) |
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#26 | 84-88439A34 | CABLE ASSEMBLY, Positive - Battery (1 required per assembly) |
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#27 | 84-88439A24 | CABLE ASSEMBLY, Negative - Battery (1 required per assembly) |
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#28 | 84-827356A 2 | HARNESS ASSEMBLY (26 IN.) (1 required per assembly) |
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#29 | 821609 1 | COVER (1 required per assembly) |
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#30 | 10-822393 20 | SCREW, (M5 x 20) (M5 x 20) (3 required per assembly) |
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#31 | 88-812619 | FUSE, Yellow - 20 Ampere (1 required per assembly) |
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#32 | 88-19637 | SOCKET, Fuse (1 required per assembly) |
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#33 | 84-93388A 8 | CABLE ASSEMBLY, (12.5 Inchs) Black (1 required per assembly) |
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#34 | 821228 2 | PLATE, Solenoid Mounting (1 required per assembly) |
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#35 | 10-821550 25 | SCREW, (M8 x 25) Stainless Steel (3 required per assembly) |
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#36 | 10-821291 25 | SCREW, (M6 x 25) (4 required per assembly) |
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#37 | 84-88807A16 | CABLE ASSEMBLY, (4.00 Inches) Black (1 required per assembly) |
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#38 | 45915 | TERMINAL BLOCK (1 required per assembly) |
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#39 | 10-812832 | SCREW, (#10-16 x .500) (2 required per assembly) |
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10-812832 - 10-812832 - SCREW (#10-16 x . O [ More info ] Unavailable Replaced by 10-878608 |
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#40 | 10-817626 | SCREW, (#10-16 x .380) (1 required per assembly) |
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10-817626 - 10-817626 - SCREW (#10-16 x . O [ More info ] Unavailable Replaced by 10-878607 |
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#41 | 89-817109A 2 | SOLENOID ASSEMBLY, (#10-32 / .3125-18 Terminals) (1 required per assembly) |
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#42 | 25-822179 | GROMMET (2 required per assembly) |
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#44 | 13-53166 | LOCKWASHER, (.312) (2 required per assembly) |
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#45 | 11-68292 | NUT, (.312-18) (2 required per assembly) |
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#46 | 11-45076 | NUT, (#10-32) Brass (2 required per assembly) |
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