| OMC and Cobra Fuel Pumps | ||||||
| Chart notes are listed in (red) at bottom of chart | ||||||
| Model | Year | Pump | ||||
| 2.5 | 1982-85 | 18-7278 | ||||
| 5 | 1982-88 | 18-7268 | ||||
| 5.7 | 1982-92 | 18-7268 | ||||
| 100 | 1972-73 | 18-7278 | ||||
| 110 | 1964 | 18-7278 | ||||
| 120 | 1965-80 | 18-7278 | ||||
| 140 | 1973-81 | 18-7278 | ||||
| 140 Jet Drive | 1973 | 18-7278 | ||||
| 150 | 1964 | 18-7258 | ||||
| 150 Model HU-13EM | 1965 | 18-7258 | ||||
| 150 Except HU-13EM | 1965 | 18-7258 | ||||
| 165 | 1972-76 | 18-7278 | ||||
| 170 | 1974 | 18-7263 | ||||
| 175 | 1975-77 | 18-7263 | ||||
| 185 | 1978-80 | 18-7268 | ||||
| 190 | 1974-77 | 18-7263 | ||||
| 200 | 1979-81 | 18-7268 | ||||
| 225 | 1978 | 18-7268 | ||||
| 230 | 1979-81 | 18-7268 | ||||
| 235 | 1975-77 | 18-7263 | ||||
| 240 | 1978 | 18-7263 | ||||
| 245 Jet Drive | 1973 | 18-7278 | ||||
| 250 | 1979 | 18-7263 | ||||
| 260 | 1979-81 | 18-7268 | ||||
| 305 CID IB | 1979-82 | 18-7268 | ||||
| 350 CID IB | 1979-82 | 18-7268 | ||||
| 350 | 1988-91 | 18-7268 | ||||
| OMC Electric Fuel Pump Applications | OEM PN | Old PN | Electric Pump | |||
| 262/4.3L | 1992-94 | 3858261 | 3850809, 3850810, 3857985 | 18-7329 | ||
| 350/5.7L, 454/7.4L & 502/8.2L | 1997-98 | Engines w/MPI | 3857650 | 18-7330 | ||
| 454/7.4L & 502/8.2L | 1996 | Engines w/MPI | 3857650 | 18-7330 | ||
| 302/5.0L & 351/5.8L | 1993-94 | w/F.I. System uses 2 pumps - high pressure | 3857650 | 18-7330 | ||
| 302/5.0L & 351/5.8L | w/F.I. System uses 2 pumps - low pressure | 3858261 | 3850809, 3850810, 3857985 | 18-7329 | ||
| 454/7.4L & 502/8.2L | 1992-94 | GM Mark V Engine | 3858714 | 3850810, 3857985 | 18-7331 | |
| ➀ On small block designation with original pump number listing use 18-7329 | ||||||
| ➁ On big block designation with original pump number listing use 18-7237 | ||||||