MerCruiser® OEM Part Number Cross Reference

852956A1

Earlier EFI / TBI — 4.3L, 5.0L, 5.7L, 7.4LX

805225A1

454 MAG EFI/MPI, 7.4L MPI MIE, 7.4LX MPI (1994–1998)

861260T

454 MAG MPI, 350 Mag MPI, 502 Mag MPI, MX 6.2L, 8.2L MIE

802632T

7.4L MPI L29 / MIE L29 (1998–2001)

885176

ECM-555 Gen 1 — 4.3L, 5.0L, 350 MAG, MX 6.2L (0M300000–1A064824)

879312003

ECM-555 Gen 2 — 5.0L, 350 MAG, MX 6.2L, 5.7L (1A064825+)

881693002 / 8M0221353

8.1L MIE, 8.1L HO MIE, 496 Mag, 496 Mag HO, DTS (2001–2008)

8M0239245 (805224A1)

454 MAG MPI, 350 Mag MPI, 502 Mag MPI, MX 6.2L, 8.2L MIE

8M0220728 (803149)

7.4L MPI L29 / MIE L29 (1998–2001)

8M0181068 (862998)

ECM-555, 8.1L MIE, 496 Mag (mechanical-throttle)

805226A1

454 MAG MPI, 7.4L MPI (pre-L29), 502 Mag MPI, 8.2L MIE

8M0230659 (803148)

350 MAG MPI, MX 6.2L MPI (1999–2001)

8M0221731 (853678T)

7.4L L29, ECM-555, 8.1L MIE, 496 Mag (mechanical-throttle)

864856A1

454 MAG MPI, 350 Mag MPI, 502 Mag MPI, MX 6.2L, 8.2L MIE

8M0186195 (881731)

7.4L L29, Earlier EFI, 8.1L MIE, 496 Mag

8M0087834 (885165)

ECM-555 MPI — MAPT (combined MAP + IAT)

805227A1

454 MAG EFI/MPI, 7.4L MPI MIE, 7.4LX MPI, 502 Mag MPI, 8.2L MIE (1993–1998) — rail

860349A1

454 MAG MPI, 7.4L MPI MIE, 7.4LX MPI, 502 Mag MPI, 8.2L MIE (1997–1998) — cooler

861126A1

454 MAG MPI, 7.4L L29, 502 Mag MPI (1999–2001), 8.1L / 496 Mag earlier — cooler

8M0069803 (802630T01)

7.4L L29 / MIE L29, 8.1L / 496 Mag earlier — rail

885174

ECM-555 MPI — rail

892681

496 Mag (0W060000+), 8.1L MIE (0W090000+) — cooler/module