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Mercruiser| Model | Years | CID/CYL | Distributor Type | Serial Number | SMI Plug
Wires | | 110 | 1963-66 | 153 / L4 | Delco | 1537370 - 2044033 | SMI98105 | | 120 | 1964-86 | 153 / L4 | Delco | 1666601 - 0B531853 | SMI98105 | | 2.5L | 1987-89 | 153 / L4 | Delco | 0B531854 - 0C853255 | SMI98105 | | 140 | 1968-86 | 181 / L4 | Delco | 2508261 - 0B450800 | SMI98105 | | 3.0L | 1987-89 | 181 / L4 | Delco | 0B450801 - 0C856558 | SMI98105 | | 3.0L, LX | 1990-91 | 181 / L4 | Prestolite | 0C856559 - 0D504541 | SMI98105 | | 3.0L, LX | 1990-91 | 181 / L4 | Delco Digital | 0C856559 - 0D504541 | SMI98104 | | 3.0L | 1991-98 | 181 / L4 | Delco EST | 0D504542 & Up | | | 3.0LX | 1991-97 | 181 / L4 | Delco EST | 0D504542 - 0K999999 | | | 165 | 1987 | 224 / L4 | Delco | 0B434940 - 0B774251 | SMI98106 | | 170 | 1985-86 | 224 / L4 | Delco | 6916779 - 0B434940 | SMI98106 | | 180 | 1987 | 224 / L4 | Prestolite | 0B436391 - 0B775248 | SMI98105 | | 190 | 1985-86 | 224 / L4 | Delco | 6916779 - 0B436390 | SMI98106 | | 3.7L | 1988-89 | 224 / L4 | Delco | 0B774252 & Up | SMI98106 | | 3.7LX | 1988-89 | 224 / L4 | Delco | 0B775249 & Up | SMI98106 | | 3.7LX | 1988-89 | 224 / L4 | Prestolite | 0B775249 & Up | SMI98105 | | 470 | 1976-84 | 224 / L4 | Delco | 4208370 - 6916778 | SMI98106 | | 485 | 1980-82 | 224 / L4 | Delco | 5685394 - 6218036 | SMI98106 | | 488 | 1981-84 | 224 / L4 | Delco | 6170297 - 6916778 | SMI98106 | | 140 | 1963 | 194 / L6 | Delco | 1538930 - 1725960 | SMI98108 | | 150 | 1964-66 | 194 / L6 | Delco | 1666495 - 2048046 | SMI98108 | | 160 | 1967-69 | 194 / L6 | Delco | 2048022 - 2770031 | SMI98108 | | 165 | 1970-81 | 194 / L6 | Delco | 2770032 - 5813433 | SMI98108 | | 200 | 1969 | 194 / L6 | Delco | 2453769 - 2712072 | SMI98108 | | 185 | 1983-84 | 229 / V-6 | Prestolite | 6330183 - 6919655 | SMI98107 | | 175 | 1987 | 262 / V-6 | Thunderbolt IV | 0B527955 - 0B773242 | SMI98111 | | 185 | 1985-87 | 262 / V-6 | Thunderbolt IV | 6919656 - 0B527954 | SMI98111 | | 205 | 1985-87 | 262 / V-6 | Thunderbolt IV | 0A331445 - 0B775129 | SMI98111 | | 262 Mag | 1996-97 | 262 / V-6 | Delco HEI | 0F803800 - 0K999999 | | | 4.3L | 1988-96 | 262 / V-6 | Thunderbolt IV | 0B773243 - 0F802999 | SMI98111 | | 4.3L Alpha | 1998-2003 | 262 / V-6 | Thunderbolt V | 0L010044 & Up | SMI98111 | | 4.3L Bravo | 1998-2003 | 262 / V-6 | Thunderbolt V | 0L010044 & Up | SMI98111 | | 4.3L EFI | 1998 | 262 / V-6 | Delco HEI | 0L012009 - 0L359999 | | | 4.3L EFI | 1999-2003 | 262 / V-6 | Mercury HEI | 0L360000 &Up | | | 4.3LH Alpha | 1998-2003 | 262 / V-6 | Thunderbolt V | 0L010044 & Up | SMI98111 | | 4.3LH Bravo | 1998-2003 | 262 / V-6 | Thunderbolt V | 0L010044 & Up | SMI98111 | | 4.3LX, LXH | 1988-97 | 262 / V-6 | Thunderbolt IV | 0B775130 - 0K999999 | SMI98111 | | 215 MCM & MIE (Ford) | 1970-72 | 302 / V-8 | Autolite / Mallory | 2781153 - 3563181 | SMI98109 | | 225 MCM & MIE (Ford) | 1973-74 | 302 / V-8 | Autolite / Mallory / Mercury | 3385721 - 4166999 | SMI98109 | | 888 (Ford) | 1971-77 | 302 / V-8 | Autolite / Mallory / Prestolite / Mercury | 3108723 - 4887829 | SMI98109 | | 190 (GM) | 1963-64 | 283 / V-8 | Delco | 1564539 - 1730903 | SMI98109 | | 198 MIE | 1977 | 305 / V-8 | Mallory | 4776402 - 4931099 | SMI98109 | | 200 | 1985-87 | 305 / V-8 | Thunderbolt IV | 6899058 - 0B774444 | SMI98103 | | 228 | 1977-82 | 305 / V-8 | Mallory | 4765100 - 6218461 | SMI98109 | | 228 | 1983-84 | 305 / V-8 | Thunderbolt IV | 6218462 - 6899268 | SMI98103 | | 228 MIE | 1977-80 | 305 / V-8 | Mallory | 4765100 - 5907057 | SMI98109 | | 230 | 1985-87 | 305 / V-8 | Thunderbolt IV | 6899269 - 0B773739 | SMI98103 | | 230 MIE (LH) | 1981-87 | 305 / V-8 | Thunderbolt IV | 5907058 - 0B788151 | SMI98103 | | 230 MIE (RH) | 1981-87 | 305 / V-8 | Thunderbolt IV | 5907058 - 0B788151 | SMI98103 | | 5.0L | 1988-95 | 305 / V-8 | Thunderbolt IV | 0B774445 - 0F600999 | SMI98103 | | 5.0L Alpha | 1998-2003 | 305 / V-8 | Thunderbolt V | 0L015751 & Up | SMI98103 | | 5.0L Bravo | 1998-2003 | 305 / V-8 | Thunderbolt V | 0L015751 & Up | SMI98103 | | 5.0L EFI | 1998 | 305 / V-8 | Delco HEI | 0L012052 - 0L339999 | SMI98203 | | 5.0L MIE (LH) | 1988 | 305 / V-8 | Thunderbolt IV | 0B788152 - 0C396832 | SMI98103 | | 5.0L MIE (RH) | 1988 | 305 / V-8 | Thunderbolt IV | 0B788152 - 0C396832 | SMI98103 | | 5.0L MPI Alpha | 2001-2003 | 305 / V-8 | Delco HEI | 0M300000 & Up | | | 5.0LX | 1988-95 | 305 / V-8 | Thunderbolt IV | 0B773740 - 0F600999 | SMI98103 | | 898 | 1977-82 | 305 / V-8 | Mallory | 4762210 - 6218461 | SMI98109 | | 898 | 1983-84 | 305 / V-8 | Thunderbolt IV | 6218462 - 6899057 | SMI98103 | | 225 (GM) | 1963-69 | 327 / V-8 | Delco | 1539620 - 2694014 | SMI98109 | | 225 MIE (GM) | 1968 | 327 / V-8 | Thunderbolt | 2278647 - 2694014 | SMI98109 | | 250 MCM & MIE | 1968-69 | 327 / V-8 | Thunderbolt | 2314301 - 2639854 | SMI98109 | | 250 | 1977 | 350 / V-8 | Mallory | 4768000 - 4908849 | SMI98109 | | 255 MCM & MIE | 1975-76 | 350 / V-8 | Mallory | 3258728 - 4501254 | SMI98109 | | 255 MCM & MIE | 1976 | 350 / V-8 | Mercury | 4498701 - 4767999 | SMI98109 | | 255 MIE | 1977-80 | 350 / V-8 | Mercury | 4768000 - 5907057 | SMI98109 | | 260 | 1978-82 | 350 / V-8 | Mallory | 4908850 - 6218461 | SMI98109 | | 260 | 1982-87 | 350 / V-8 | Thunderbolt IV | 6218462 - 0B773304 | SMI98103 | | 260 MIE (LH) | 1981-86 | 350 / V-8 | Thunderbolt IV | 5907058 - 0B788151 | SMI98103 | | 260 MIE (RH) | 1981-86 | 350 / V-8 | Thunderbolt IV | 5907058 - 0B788151 | SMI98103 | | 270 MCM & MIE | 1969-72 | 350 / V-8 | Thunderbolt | 2851074 - 3385720 | SMI98109 | | 280 TRS | 1975 | 350 / V-8 | Mercury / Mallory | 4176250 - 4499390 | SMI98109 | | 300 | 1985-86 | 350 / V-8 | Thunderbolt IV | 6668677 - 0B430367 | SMI98103 | | 320 EFI | 1987-89 | 350 / V-8 | Thunderbolt IV | 0A543604 - 0C622418 | SMI98103 | | 350 Mag Alpha | 1986-94 | 350 / V-8 | Thunderbolt IV | 0A635178 - 0F353690 | SMI98103 | | 350 Mag Alpha | 1995-97 | 350 / V-8 | Thunderbolt V | 0F353691 - 0K999999 | SMI98103 | | 350 Mag Alpha EFI | 1996-97 | 350 / V-8 | Delco HEI | 0F800300 - 0K999999 | SMI98203 | | 350 Mag Bravo MPI | 1995-96 | 350 / V-8 | Delco HEI | 0F415189 - 0K999999 | SMI98203 | | 350 Mag EFI Ski | 1994-97 | 350 / V-8 | Delco HEI | 0F215561 - 0K999999 | SMI98203 | | 350 Mag MPI | 1998 | 350 / V-8 | Delco HEI | 0L010019 - 0L325952 | SMI98203 | | 350 Mag MPI Alpha | 2001-2003 | 350 / V-8 | Delco HEI | 0M300000 & Up | | | 350 Mag MPI Bravo | 2001-2003 | 350 / V-8 | Delco HEI | 0M300000 & Up | | | 350 Mag MPI Horizon | 2001-2003 | 350 / V-8 | Mercury HEI | 0M300000 & Up | | | 350 Mag MPI Horizon MIE | 2001-2003 | 350 / V-8 | Mercury HEI | 0M300000 & Up | | | 350 Mag MPI MIE | 2001-2003 | 350 / V-8 | Delco HEI | 0M300000 & Up | | | 350 Mag MPI Ski | 1991-96 | 350 / V-8 | Thunderbolt IV | 0D505450 - 0K40399 | SMI98103 | | 350 Mag MPI Ski | 1991-97 | 350 / V-8 | Thunderbolt V | 0D505450 - 0K999999 | SMI98103 | | 5.7L Alpha | 1988-95 | 350 / V-8 | Thunderbolt IV | 0B773305 - 0F600999 | SMI98103 | | 5.7L Alpha (2bbl) | 1996-97 | 350 / V-8 | Thunderbolt V | 0F601000-0K999999 | SMI98103 | | 5.7L Alpha | 1998-2003 | 350 / V-8 | Thunderbolt V | 0L010037 & Up | SMI98103 | | 5.7L Bravo | 1988-93 | 350 / V-8 | Thunderbolt IV | 0B773305 - 0F353524 | SMI98103 | | 5.7L Bravo | 1994-2003 | 350 / V-8 | Thunderbolt V | 0F353525 & Up | SMI98103 | | 5.7L EFI | 1995-98 | 350 / V-8 | Delco HEI | 0F225560 - 0L339999 | SMI98203 | | 5.7L EFI MIE | 1997 | 350 / V-8 | Delco HEI | 0K040300 - 0K999999 | SMI98203 | | 5.7L MIE | 1988-95 | 350 / V-8 | Thunderbolt IV | 0B788152 - 0F746099 | SMI98103 | | 5.7L MIE | 1996-97 | 350 / V-8 | Thunderbolt V | 0F622100 - 0K999999 | SMI98103 | | 5.7L MIE | 1998-2003 | 350 / V-8 | Thunderbolt V | 0L02003 & Up | | | 5.7L Ski | 1985-95 | 350 / V-8 | Mallory / Prestolite | 0A338553 - 0F775199 | SMI98112 | | 5.7L Ski | 1987-95 | 350 / V-8 | Thunderbolt IV | 0B514627 - 0F775199 | SMI98103 | | 5.7L Ski | 1996-97 | 350 / V-8 | Thunderbolt V | 0F775200 - 0K999999 | SMI98103 | | 5.7L Ski | 1998-2003 | 350 / V-8 | Thunderbolt V | 0L002005 & Up | | | 5.7LX Alpha & Bravo | 1996-97 | 350 / V-8 | Thunderbolt V | 0F601000-0K999999 | SMI98103 | | 5.7LX Bravo & EFI | 1996-97 | 350 / V-8 | Delco HEI | 0F752400 - 0K999999 | SMI98203 | | 233 MCM & MIE (Ford) | 1975-77 | 351 / V-8 | Mercury / Prestolite | 4173000 - 4902304 | SMI98109 | | 255 MCM & MIE (Ford) | 1973-80 | 351 / V-8 | Mallory / Mercury | 3258728 - 5907057 | SMI98109 | | MX 6.2L MPI | 2001-2003 | 377 / V-8 | Delco HEI | 0M300000 & Up | | | MX 6.2L MPI Horizon | 2001-2003 | 377 / V-8 | Delco HEI | 0M300000 & Up | | | MX 6.2L MPI Horizon MIE | 2001-2003 | 377 / V-8 | Delco HEI | 0M300000 & Up | | | MX 6.2L MPI MIE | 2001-2003 | 377 / V-8 | Delco HEI | 0M300000 & Up | | | 325 MCM & MIE | 1969-74 | 427 / V-8 | Thunderbolt | 2278747 & Up | SMI98109 | | 325 MCM & MIE | 1969-72 | 427 / V-8 | Mallory | 2278747 & Up | SMI98110 | | 390 | 1968-70 | 427 / V-8 | Mallory | ALL | SMI98110 | | 330 | 1977-81 | 454 / V-8 | Mallory | 4623115 - 6083144 | SMI98126 | | 330 | 1977-81 | 454 / V-8 | Thunderbolt | 4623115 - 6083144 | SMI98126 | | 330 | 1982-87 | 454 / V-8 | Thunderbolt IV | 6083145 - 0B816540 | SMI98102 | | 340 MIE | 1981-87 | 454 / V-8 | Thunderbolt IV | 5889914 - 0B788365 | SMI98102 | | 350 MIE | 1974-76 | 454 / V-8 | Thunderbolt | 3780450 - 4623109 | SMI98109 | | 370 TRS | 1978-85 | 454 / V-8 | Mallory / Holley | 4179554 - 6721527 | SMI98126 | | 370 TRS | 1985-87 | 454 / V-8 | Thunderbolt IV | 6721528 - 0B714586 | SMI98102 | | 400 TRS | 1980-86 | 454 / V-8 | Mallory / Holley | 5668232 - 0B457644 | SMI98126 | | 440 TRS | 1983-86 | 454 / V-8 | Mallory / Holley | 6181070 - 0B485220 | SMI98126 | | 450 | 1995-96 | 454 / V-8 | Thunderbolt IV | 0F347100 - 0F347277 | SMI98102 | | 454 Mag Alpha | 1986-88 | 454 / V-8 | Thunderbolt IV | 0A631894 -0B785148 | SMI98102 | | 454 Mag Bravo | 1988-97 | 454 / V-8 | Thunderbolt IV | 0B721206 - 0K999999 | SMI98102 | | 454 Mag EFI | 1994-96 | 454 / V-8 | Delco HEI | 0F115700 - 0F802349 | SMI98203 | | 454 Mag MPI | 1996-2003 | 454 / V-8 | Delco HEI | 0F802350 & Up | SMI98203 | | 454 Mag MPI Horizon MIE | 1999-2003 | 454 / V-8 | Delco HEI | 0L002200 & Up | SMI98203 | | 454 Mag MPI Ski | 1995-97 | 454 / V-8 | Delco HEI | 0F215800 - 0K999999 | SMI98203 | | 7.4L Bravo I, II, III | 1988-97 | 454 / V-8 | Thunderbolt IV | 0B771113 - 0K999999 | SMI98102 | | 7.4L Bravo III | 1992-97 | 454 / V-8 | Thunderbolt V | 0D603118 - 0K999999 | SMI98102 | | 7.4L EFI MIE | 1988-96 | 454 / V-8 | Thunderbolt IV | 0B788366 - 0F820141 | SMI98102 | | 7.4L MIE | 1988-96 | 454 / V-8 | Thunderbolt IV | 0B788366 - 0F820141 | SMI98102 | | 7.4L MIE | 1992-97 | 454 / V-8 | Thunderbolt V | 0D715494 - 0K999999 | SMI98102 | | 7.4L MPI (L29) | 1998-2003 | 454 / V-8 | Delco HEI | 0L010003 & Up | SMI98203 | | 7.4L MPI MIE | 1995-2003 | 454 / V-8 | Delco HEI | 0F563052 & Up | SMI98203 | | 7.4LX Bravo EFI & MPI | 1996-97 | 454 / V-8 | Delco HEI | 0F602010 - 0K999999 | SMI98203 | | 390 | 1969-70 | 482 / V-8 | Thunderbolt | 2781129 - 2825059 | SMI98126 | | 460 TRS | 1983-86 | 482 / V-8 | Mallory / Holley | 6180970 - 6181046 | SMI98126 | | 460 Cyclone | 1983-85 | 482 / V-8 | ALL | ALL | SMI98110 | | 496 Mag & Mag HO | 2000-2003 | 496 / V-8 | Delco | 0M025000 & Up | | | 8.1S MIE & HO MIE | 2000-2003 | 496 / V-8 | Delco | 0M025000 & Up | | | 502 Mag Bravo | 1990-93 | 502 / V-8 | Thunderbolt IV | 0C878221 - 0F114528 | SMI98102 | | 502 Mag EFI | 1993-96 | 502 / V-8 | Delco HEI | 0D840650 - 0F802599 | SMI98203 | | 502 Mag MPI | 1996-Up | 502 / V-8 | Delco HEI | 0F802600 & Up | SMI98203 | | 525 SC | 1991-95 | 502 / V-8 | Thunderbolt IV | 0D456000 - 0F877734 | SMI98102 | | 8.2L MIE | 1990-96 | 502 / V-8 | Thunderbolt IV | 0C878221 - 0F819619 | SMI98102 | | 8.2L MPI MIE | 1996-Up | 502 / V-8 | Delco HEI | 0F819620 & Up | SMI98203 |
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