MerCruiser® 8M0181068 Idle Air Control Valve
MerCruiser® 8M0181068 Idle Air Control Valve
Verified historical Mercury/MerCruiser references include 862998 and 8M0045797. Historical usage varies by engine application and serial range; these references are not presented as a proven linear supersession chain.
Some DTS applications have blank IAC and TPS fields in Mercury application data. A blank field does NOT mean "use the non-DTS part." Do not infer conventional IAC compatibility for DTS engines. If the OEM application matrix does not identify an IAC for a DTS application, do not order this part for that application.
Current Mercury/MerCruiser IAC valve 8M0181068. Verified historical Mercury/MerCruiser references include 862998 and 8M0045797. Historical usage varies by engine application and serial range; these references are not presented as a proven linear supersession chain.
The 22 verified engine applications shown below are associated with the 862998 historical reference branch. 8M0045797 is independently verified as an additional historical Mercury/MerCruiser reference resolving to current 8M0181068, associated with a later 8.2L Mag / 8.2L Mag HO application branch not represented in the current application table. Do not assume 8M0045797 applies to all applications listed here.
This IAC valve applies to verified mechanical-throttle ECM-555 MPI, 496 Mag, and 8.1L MIE applications. DTS applications may have blank IAC fields in Mercury application data — do not infer conventional IAC compatibility for DTS engines. Verify your exact engine model, serial number, and existing OEM part number before ordering.
Aftermarket cross-reference: Sierra 18-7701 — aftermarket replacement cross-reference. Verify fitment by engine model and serial number before ordering. Sierra part numbers are aftermarket references only and are not Mercury OEM numbers.
Verified Engine Applications
Application relationships are verified against Mercury Marine primary source documentation. DTS applications with blank IAC fields in the OEM matrix are excluded.
Related Service Parts
Service parts associated with this assembly. Verify the assembly relationship before ordering separately.
Associated with 8M0181068 IAC architecture. Not universally required with every IAC replacement.
Associated with 8M0181068 IAC architecture. Not universally required with every IAC replacement.
Customers Replacing This Part Also Consider
Related components are shown only for verified engine/application matches. DTS applications are excluded where OEM matrix has blank IAC/TPS fields.
MerCruiser® 350 MAG MPI ECM-555 — 350 V8 — 2002–2007
MerCruiser® 350 MAG MPI 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 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 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® 8.1L MIE — 496 V8 — 2001–2004
MerCruiser® 8.1L MIE — 496 V8 — 2004–2008
MerCruiser® 8.1L HO MIE — 496 V8 — 2001–2004
MerCruiser® 8.1L HO MIE — 496 V8 — 2004–2008
MerCruiser® 496 Mag — 496 V8 — 2001–2004
MerCruiser® 496 Mag — 496 V8 — 2004–2008
MerCruiser® 496 Mag HO — 496 V8 — 2001–2004
MerCruiser® 496 Mag HO — 496 V8 — 2004–2008
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 ECM-555 — 305 V8 — 2007–2008