Air Compressor Assembly Compatible With Mercury 3-Cyl 1.5L Optimax Dfi 75 80 90 115 125 Hp Outboard

OEM PART NUMBERS (Supersession Chain):
• Mercury: 854333A09 / 854333A10 / 854333A11
• Mercury: 854333T07 / 854333T11
• Mercury: 8M0000211 / 8M0048123
• Mercury: 8M0050654 / 8M0229417

SUPERSESSION ORDER:
• 854333A09 → 854333A10 → 854333A11 → 854333T07 → 854333T11 → 8M0000211 → 8M0048123 → 8M0050654 → 8M0229417 (Current)

SPECIFICATIONS:
• Type: Air Compressor Assembly (Belt-Driven Piston)
• Function: DFI Air-Assisted Fuel Injection Compressor
• Drive: Belt-Driven Off Flywheel (Not Electric)
• Cooling: Water-Cooled w/ Temperature Alarm Sender
• Lubrication: Oil-Fed via Inline Filtered Lines
• Operating Pressure: ~95 PSI
• Weight: ~5.2 lbs
• Source: Aftermarket

NOTE: 80HP Optimax exists ONLY as Jet Drive — no non-jet 80HP DFI was produced. OEM assembly (8M0050654) is NLA from Mercury.

⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
MERCURY 3-CYLINDER 1.5L DFI OPTIMAX (75-125 HP):
• 75 HP 3-Cyl 3.625" Bore 1.5L DFI Optimax (2005-2014) — SN 0T980000+
• 80 HP 3-Cyl 3.625" Bore 1.5L DFI Optimax Jet (2007-2014) — SN 1B586067+
• 90 HP 3-Cyl 3.625" Bore 1.5L DFI Optimax (2004-2014) — SN 0T801000+
• 115 HP 3-Cyl 3.625" Bore 1.5L DFI Optimax (2004-2014) — SN 0T801000+
• 115 HP 3-Cyl 1.5L Pro XS DFI (2010-2014) — SN 1B751825+
• 125 HP 3-Cyl 3.625" Bore 1.5L DFI Optimax (2008-2012) — SN 1B736885+

MARINER 3-CYLINDER 1.5L DFI:
• Mariner 75 DFI 3-Cyl 1.5L (SN 1B417702-1B736884)
• Mariner 90 DFI 3-Cyl 1.5L (SN 0T801000-1B226999)
• Mariner 115 DFI 3-Cyl 1.5L (SN 0T980000-1B226999)

ENGINE SPECIFICATIONS:
• Configuration: Inline 3-Cylinder
• Bore: 3.625" (92mm)
• Stroke: 3.00" (76mm)
• Displacement: 1526cc / 1.5L
• Fuel System: 2-Stage Direct Fuel Injection (DFI / Optimax)
• Engine Type: 2-Stroke Loop-Charged
• Full Throttle RPM: 5,000-5,750
• Alternator: 60 Amp / 756 Watt