MerCruiser® 8M0186195
MerCruiser® MAP sensor for 7.4L L29, Earlier EFI, 8.1L MIE, and 496 Mag families. Historical OEM 881731, current service number 8M0186195.
Mercury superseded 881731 to current service number 8M0186195.
View 8M0186195 MAP Sensor Page8M0186195 / 881731 applies to L29, Earlier EFI, 8.1L MIE, and 496 Mag families. Do not substitute for 864856A1 (other MPI families) or 8M0087834 (ECM-555 MAPT). Verify engine model and serial number before ordering.
Verified Engine Applications
Application rows are derived from the verified Mercury/Quicksilver fitment matrix. Rows marked "Verification in Progress" are placeholders — do not order based on them.
| Engine Model | Years | Serial Range | Status |
|---|---|---|---|
| MerCruiser® 4.3L EFI (GEN+) TBI — GM 262 V6 | Verification in Progress | 0L012009–0L618999 | Verification in Progress |
| MerCruiser® 4.3L EFI (GEN+) TBI — GM 262 V6 | Verification in Progress | 0L619000–0M299999 | Verification in Progress |
| MerCruiser® 4.3L EFI (GEN+) TBI — GM 262 V6 | Verification in Progress | 0M300000–0M322780 | Verification in Progress |
| MerCruiser® 5.0L EFI — GM 305 V8 | 1998 | 0L012052–0L339999 | Verified |
| MerCruiser® 5.0L EFI — GM 305 V8 | 1999–2001 | 0L331631–0M299999 | Verified |
| MerCruiser® 5.7L EFI — GM 350 V8 | 1998 | 0L010035–0L339999 | Verified |
| MerCruiser® 5.7L EFI — GM 350 V8 | 1999–2001 | 0L325977–0M299999 | Verified |
| MerCruiser® 7.4L MPI L29 — 454 V8 | 1998–2001 | 0L010003–0M024330 | Verified |
| MerCruiser® 7.4L MPI MIE L29 — 454 V8 | 1998–2001 | 0L010003–0L674613 | Verified |
| MerCruiser® 8.1L MIE — 496 V8 | 2001–2004 | 0M026000–0W089999 | Verified |
| MerCruiser® 8.1L MIE — 496 V8 | 2004–2008 | 0W090000 and up | Verified |
| MerCruiser® 8.1L HO MIE — 496 V8 | 2001–2004 | 0M026000–0W089999 | Verified |
| MerCruiser® 8.1L HO MIE — 496 V8 | 2004–2008 | 0W090000 and up | Verified |
| MerCruiser® 496 Mag — 496 V8 | 2001–2004 | 0M025000–0W059999 | Verified |
| MerCruiser® 496 Mag — 496 V8 | 2004–2008 | 0W060000 and up | Verified |
| MerCruiser® 496 Mag HO — 496 V8 | 2001–2004 | 0M025000–0W059999 | Verified |
| MerCruiser® 496 Mag HO — 496 V8 | 2004–2008 | 0W060000 and up | Verified |
| MerCruiser® 496 Mag DTS — 496 V8 | 2001–2004 | 0M025000–0W059999 | Verified |
| MerCruiser® 496 Mag DTS — 496 V8 | 2004–2008 | 0W060000 and up | Verified |
| MerCruiser® 496 Mag HO DTS — 496 V8 | 2001–2004 | 0M025000–0W059999 | Verified |
| MerCruiser® 496 Mag HO DTS — 496 V8 | 2004–2008 | 0W060000 and up | Verified |
Complete System — All Components
Components shown are derived from the verified fitment matrix for each engine row. DTS applications may have blank IAC / TPS fields — this is correct per Mercury documentation. Verify your exact engine model and serial number before ordering any component.
MerCruiser® 4.3L EFI (GEN+) TBI — GM 262 V6
Verification in Progress · 0L012009–0L618999
MerCruiser® 4.3L EFI (GEN+) TBI — GM 262 V6
Verification in Progress · 0L619000–0M299999
MerCruiser® 4.3L EFI (GEN+) TBI — GM 262 V6
Verification in Progress · 0M300000–0M322780
MerCruiser® 5.0L EFI — GM 305 V8
1998 · 0L012052–0L339999
MerCruiser® 5.0L EFI — GM 305 V8
1999–2001 · 0L331631–0M299999
MerCruiser® 5.7L EFI — GM 350 V8
1998 · 0L010035–0L339999
MerCruiser® 5.7L EFI — GM 350 V8
1999–2001 · 0L325977–0M299999
MerCruiser® 7.4L MPI L29 — 454 V8
1998–2001 · 0L010003–0M024330
MerCruiser® 7.4L MPI MIE L29 — 454 V8
1998–2001 · 0L010003–0L674613
MerCruiser® 8.1L MIE — 496 V8
2001–2004 · 0M026000–0W089999
MerCruiser® 8.1L MIE — 496 V8
2004–2008 · 0W090000 and up
MerCruiser® 8.1L HO MIE — 496 V8
2001–2004 · 0M026000–0W089999
MerCruiser® 8.1L HO MIE — 496 V8
2004–2008 · 0W090000 and up
MerCruiser® 496 Mag — 496 V8
2001–2004 · 0M025000–0W059999
MerCruiser® 496 Mag — 496 V8
2004–2008 · 0W060000 and up
MerCruiser® 496 Mag HO — 496 V8
2001–2004 · 0M025000–0W059999
MerCruiser® 496 Mag HO — 496 V8
2004–2008 · 0W060000 and up
MerCruiser® 496 Mag DTS — 496 V8
2001–2004 · 0M025000–0W059999
MerCruiser® 496 Mag DTS — 496 V8
2004–2008 · 0W060000 and up
MerCruiser® 496 Mag HO DTS — 496 V8
2001–2004 · 0M025000–0W059999