MerCruiser® 8M0087834 MAPT Sensor
MerCruiser® 8M0087834 MAPT Sensor
885165 routes to current Mercury replacement 8M0087834
This is a MAPT (Manifold Absolute Pressure and Temperature) sensor — it combines pressure and temperature sensing in a single unit. This is NOT a MAP-only sensor. Do not substitute a MAP-only sensor (861249A1 / 864856A1 / 8M0186195) for this MAPT unit. Mercury distinguishes these architectures.
This MAPT sensor applies to verified mechanical-throttle ECM-555 MPI applications. It is NOT a MAP-only sensor and is NOT interchangeable with MAP sensors used in earlier EFI/TBI, 454 MAG MPI, 7.4L L29, or 496/8.1L applications. Verify your exact engine model, serial number, and existing OEM part number before ordering.
881733 — related intake / MAPT assembly seal reference. Verify exact assembly relationship before ordering separately.
Verified Engine Applications
Application relationships are verified against Mercury Marine primary source documentation. DTS applications are excluded where OEM matrix has blank sensor fields.
| Engine Model | Years | Serial Range | Historical OEM | Status |
|---|---|---|---|---|
| MerCruiser® 350 MAG MPI ECM-555 — 350 V8 | 2002–2007 | 0M300000–1A064824 | 885165 | Verified |
| MerCruiser® 350 MAG MPI ECM-555 — 350 V8 | 2007–2008 | 1A064825 and up | 885165 | Verified |
| MerCruiser® 350 MAG MPI DTS ECM-555 — 350 V8 | 2007–2008 | 1A064825 and up | 885165 | Verified |
| MerCruiser® 350 MAG MPI Horizon ECM-555 — 350 V8 | 2007 | 1A064825–1A299999 | 885165 | Verified |
| MerCruiser® 350 MAG MPI Horizon MIE ECM-555 — 350 V8 | 2007 | 1A064825–1A089999 | 885165 | Verified |
| MerCruiser® 350 MAG MPI MIE ECM-555 — 350 V8 | 2007 | 1A064825–1A089999 | 885165 | Verified |
| MerCruiser® 5.7L MPI Horizon MIE ECM-555 — 350 V8 | 2008 | 1A090000 and up | 885165 | Verified |
| MerCruiser® 5.7L MPI MIE ECM-555 — 350 V8 | 2008 | 1A090000 and up | 885165 | Verified |
| MerCruiser® MX 6.2L MPI ECM-555 — 377 V8 | 2004–2007 | 0W060000–1A064824 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI DTS ECM-555 — 377 V8 | 2005–2007 | 0W310000–1A064824 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI Horizon ECM-555 — 377 V8 | 2002–2004 | 0M300000–0W059999 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI Horizon ECM-555 — 377 V8 | 2004–2007 | 0W060000–1A064824 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI Horizon MIE ECM-555 — 377 V8 | 2002–2004 | 0M300000–0M398394 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI Horizon MIE ECM-555 — 377 V8 | 2004–2007 | 0M398395–1A064824 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI MIE ECM-555 — 377 V8 | 2002–2004 | 0M300000–0M398394 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI MIE ECM-555 — 377 V8 | 2004–2007 | 0M398395–1A064824 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI Ski ECM-555 — 377 V8 | 2002–2007 | 0M317000–0W689999 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI ECM-555 — 377 V8 | 2007 | 1A064825–1A299999 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI DTS ECM-555 — 377 V8 | 2007 | 1A064825–1A299999 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI Horizon ECM-555 — 377 V8 | 2007 | 1A064825–1A299999 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI Horizon MIE ECM-555 — 377 V8 | 2007–2008 | 1A064825 and up | 885165 | Verified |
| MerCruiser® MX 6.2L MPI MIE ECM-555 — 377 V8 | 2007 | 1A064825–1A089999 | 885165 | Verified |
| MerCruiser® MX 6.2L MPI MIE DTS ECM-555 — 377 V8 | 2007 | 1A064825–1A089999 | 885165 | Verified |
| MerCruiser® 4.3L MPI ECM-555 — 262 V6 | 2002–2007 | 0M300000–1A063239 | 885165 | Verified |
| MerCruiser® 4.3L MPI ECM-555 — 262 V6 | 2007–2008 | 1A063240 and up | 885165 | Verified |
| MerCruiser® 5.0L MPI ECM-555 — 305 V8 | 2002–2007 | 0M300000–1A064824 | 885165 | Verified |
| MerCruiser® 5.0L MPI DTS ECM-555 — 305 V8 | 2005–2007 | 0W310000–1A064824 | 885165 | Verified |
| MerCruiser® 5.0L MPI ECM-555 — 305 V8 | 2007–2008 | 1A064825 and up | 885165 | Verified |
| MerCruiser® 5.0L MPI DTS ECM-555 — 305 V8 | 2008 | 1A064825 and up | 885165 | Verified |
Related Service Parts
Service parts associated with this assembly. Verify the assembly relationship before ordering separately.
Associated with MAPT sensor assembly. Verify exact assembly relationship before ordering.
Customers Replacing This Part Also Consider
Related components are shown only for verified ECM-555 mechanical-throttle applications.
MerCruiser® 350 MAG MPI ECM-555 — 350 V8 — 2002–2007
MerCruiser® 350 MAG MPI ECM-555 — 350 V8 — 2007–2008
MerCruiser® 350 MAG MPI DTS ECM-555 — 350 V8 — 2007–2008
MerCruiser® 350 MAG MPI Horizon ECM-555 — 350 V8 — 2007
MerCruiser® 350 MAG MPI Horizon MIE ECM-555 — 350 V8 — 2007
MerCruiser® 350 MAG MPI MIE ECM-555 — 350 V8 — 2007
MerCruiser® 5.7L MPI Horizon MIE ECM-555 — 350 V8 — 2008
MerCruiser® 5.7L MPI MIE ECM-555 — 350 V8 — 2008
MerCruiser® MX 6.2L MPI ECM-555 — 377 V8 — 2004–2007
MerCruiser® MX 6.2L MPI DTS ECM-555 — 377 V8 — 2005–2007
MerCruiser® MX 6.2L MPI Horizon ECM-555 — 377 V8 — 2002–2004
MerCruiser® MX 6.2L MPI Horizon ECM-555 — 377 V8 — 2004–2007
MerCruiser® MX 6.2L MPI Horizon MIE ECM-555 — 377 V8 — 2002–2004
MerCruiser® MX 6.2L MPI Horizon MIE ECM-555 — 377 V8 — 2004–2007
MerCruiser® MX 6.2L MPI MIE ECM-555 — 377 V8 — 2002–2004
MerCruiser® MX 6.2L MPI MIE ECM-555 — 377 V8 — 2004–2007
MerCruiser® MX 6.2L MPI Ski ECM-555 — 377 V8 — 2002–2007
MerCruiser® MX 6.2L MPI ECM-555 — 377 V8 — 2007
MerCruiser® MX 6.2L MPI DTS ECM-555 — 377 V8 — 2007
MerCruiser® MX 6.2L MPI Horizon ECM-555 — 377 V8 — 2007
MerCruiser® MX 6.2L MPI Horizon MIE ECM-555 — 377 V8 — 2007–2008
MerCruiser® MX 6.2L MPI MIE ECM-555 — 377 V8 — 2007
MerCruiser® MX 6.2L MPI MIE DTS ECM-555 — 377 V8 — 2007
MerCruiser® 4.3L MPI ECM-555 — 262 V6 — 2002–2007
MerCruiser® 4.3L MPI ECM-555 — 262 V6 — 2007–2008
MerCruiser® 5.0L MPI ECM-555 — 305 V8 — 2002–2007
MerCruiser® 5.0L MPI DTS ECM-555 — 305 V8 — 2005–2007
MerCruiser® 5.0L MPI ECM-555 — 305 V8 — 2007–2008
MerCruiser® 5.0L MPI DTS ECM-555 — 305 V8 — 2008