Parts for Mercury Marine 250 HP (3.0L EFI) Electrical Components
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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825296T 1 - Plate [ More info ]
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| #2 | 10-821291 14 | SCREW, (M6 x 14) (2 required per assembly) |
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10-821291 14 - Screw [ More info ]
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| #3 | 827509T 7 | CDM MODULE ASSEMBLY (6 required per assembly) |
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827509T 7 - CDM Module Assembly [ More info ]
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114-7509 - CDM Module, 827509A10 [ More info ]
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| #4 | 84-857124A 1 | CABLE ASSEMBLY, Hi-Tension (SINGLE CABLE) (6 required per assembly) |
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84-857124A 1 - Cable Assembly - Gray [ More info ]
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| #5 | 85-857074A 1 | BOOT/TERMINAL KIT (6 required per assembly) |
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85-857074A 1 - Boot Kit - Gray [ More info ]
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| #6 | 10-821291 16 | SCREW, (M6 x 16) (12 required per assembly) |
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10-821291 16 - Screw - Priced Individually [ More info ]
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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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BR8HS - NGK Spark Plug, 4322 [ More info ]
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QL77CC - Champion Spark Plug ( #941M) [ More info ]
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| #9 | 10-818934 35 | SCREW, (M8 x 35) (4 required per assembly) |
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10-818934 35 - Screw [ More info ]
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| #10 | 12-49436 | WASHER (4 required per assembly) |
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12-49436 - Washer - Priced Individually [ More info ]
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| #11 | 25-825380 | GROMMET (4 required per assembly) |
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25-825380 - Grommet, Priced Individually [ More info ]
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25-825380001 - Grommet - Priced Individually [ More info ]
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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 |
| #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 |
| #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 |
| #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 |
| #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 |
| #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 |
| #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 |
| #15 | 10-821291 45 | SCREW, (M6 x 45) (8 required per assembly) |
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10-821291 45 - Screw - Priced Individually [ More info ]
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| #16 | 54-826188 | CLAMP (1 required per assembly) |
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54-826188 - Clamp [ More info ]
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| #17 | 10-821045 20 | SCREW, (M5 x 20) (M5 X 20) (1 required per assembly) |
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10-821045 20 - Screw [ More info ]
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| #18 | 84-825763A 5 | HARNESS ASSEMBLY (EFI) (1 required per assembly) |
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84-825763A 5 - Harness - EFI [ More info ]
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| #19 | 84-825433A11 | HARNESS ASSEMBLY, Ignition (1 required per assembly) |
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84-825433A11 - Ignition Harness [ More info ]
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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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882751A 1 - Trim Relay Assembly [ More info ]
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18-5849 - Relay, 882751A1 [ More info ]
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| #21 | 25-818967 | GROMMET (2 required per assembly) |
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25-818967 - Grommet [ More info ]
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| #22 | 828102 | BRACKET (2 required per assembly) |
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828102 - Relay Mounting Bracket [ More info ]
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| #23 | 23-818968 | BUSHING (2 required per assembly) |
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23-818968 - Bushing [ More info ]
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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 |
| #25 | 84-826802A 2 | HARNESS ASSEMBLY, Trim (1 required per assembly) |
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84-826802A 2 - Trim Harness [ More info ]
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| #26 | 84-88439A34 | CABLE ASSEMBLY, Positive - Battery (1 required per assembly) |
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84-88439A34 - Cable [ More info ]
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| #27 | 84-88439A24 | CABLE ASSEMBLY, Negative - Battery (1 required per assembly) |
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84-88439A24 - Battery Cable [ More info ]
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| #28 | 84-827356A 2 | HARNESS ASSEMBLY (26 IN.) (1 required per assembly) |
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84-827356A 2 - Harness Assembly [ More info ]
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| #29 | 821609 1 | COVER (1 required per assembly) |
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821609 1 - Cover [ More info ]
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| #30 | 10-822393 20 | SCREW, (M5 x 20) (M5 x 20) (3 required per assembly) |
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10-822393 20 - Screw [ More info ]
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| #31 | 88-812619 | FUSE, Yellow - 20 Ampere (1 required per assembly) |
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88-812619 - Fuse - Yellow - 20 Amp [ More info ]
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| #32 | 88-19637 | SOCKET, Fuse (1 required per assembly) |
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88-19637 - Socket [ More info ]
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| #33 | 84-93388A 8 | CABLE ASSEMBLY, (12.5 Inchs) Black (1 required per assembly) |
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84-93388A 8 - Cable Assembly [ More info ]
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| #34 | 821228 2 | PLATE, Solenoid Mounting (1 required per assembly) |
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821228 2 - Solenoid Plate [ More info ]
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| #35 | 10-821550 25 | SCREW, (M8 x 25) Stainless Steel (3 required per assembly) |
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10-821550 25 - Screw - Priced Individually [ More info ]
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| #36 | 10-821291 25 | SCREW, (M6 x 25) (4 required per assembly) |
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10-821291 25 - Screw [ More info ]
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| #37 | 84-88807A16 | CABLE ASSEMBLY, (4.00 Inches) Black (1 required per assembly) |
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84-88807A16 - Cable Assembly [ More info ]
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| #38 | 45915 | TERMINAL BLOCK (1 required per assembly) |
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86-45915 - Terminal Block [ More info ]
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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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10-878608 - Screw [ More info ]
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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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10-878607 - Screw [ More info ]
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| #41 | 89-817109A 2 | SOLENOID ASSEMBLY, (#10-32 / .3125-18 Terminals) (1 required per assembly) |
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89-817109A 2 - Solenoid Kit [ More info ]
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18-5834 - Solenoid, 89-817109A2 [ More info ]
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SW109 - Solenoid [ More info ]
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| #42 | 25-822179 | GROMMET (2 required per assembly) |
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25-822179 - Grommet [ More info ]
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| #44 | 13-53166 | LOCKWASHER, (.312) (2 required per assembly) |
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13-53166 - LockWasher - Priced Individually [ More info ]
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| #45 | 11-68292 | NUT, (.312-18) (2 required per assembly) |
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11-68292 - Nut - Priced Individually [ More info ]
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| #46 | 11-45076 | NUT, (#10-32) Brass (2 required per assembly) |
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11-45076 - Nut - Priced Individually [ More info ]
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