96455T18 96455A18 Mercury Trigger | Genuine Used Part

🔧 Product Description

Genuine Used Mercury Mariner Later V6 Trigger Assembly - Part Numbers: 96455A18 and 96455T18

A genuine pre-owned Mercury and Mariner six-cylinder trigger for selected later-production 2.5-litre V6 outboards and Sport Jet engines.

The 96455A18 / 96455T18 trigger family is used on applicable 135HP through 200HP outboards and 140 Jet / 240 Jet propulsion engines produced during the 2000-2007 period.

⚙️ Key Features

• Genuine Mercury or Mariner used trigger
• OEM references 96455A18 and 96455T18
• Later six-cylinder V6 trigger configuration
• Suitable for selected 2.5L outboards and Sport Jet engines
• Used on applicable 135HP through 240 Jet families
• CDI replacement available

🚤 Compatibility

Commonly used on selected 2000-2007

• Mercury 135HP
• Mercury 140HP
• Mercury 140 Jet
• Mercury 150HP
• Mercury 175HP
• Mercury 200HP
• Mercury 240 Jet / Sport Jet
• Engine Configuration: Six-cylinder V6 two-stroke
• Principal Displacement Family: 2.5 litres
• Fuel Systems: Applicable carburetted and EFI engines

Important fitment note

• This trigger does not include DFI applications unless the engine catalogue specifically lists 96455A18 or 96455T18.
• Optimax and other direct-injection engines may use different sensing components.
• Confirm engine serial number, fuel system and original trigger reference.
• Earlier 96455A6 / A9 trigger assemblies are a separate family.

🔌 Function

The trigger supplies crankshaft-position signals to the ignition system so each cylinder fires at the correct point.

⚠️ Common Signs of Failure

• No spark on one cylinder bank
• Intermittent ignition
• Engine stalls when warm
• Backfiring during starting
• Misfire at high rpm
• Engine will not achieve full advance
• Trigger leads are damaged
• Trigger output is below specification
• Sport Jet engine loses ignition synchronisation

🛠️ Service Notes

Recommended checks before installation

• Confirm A18 or T18 on the original trigger
• Test each trigger circuit
• Check switchboxes or ignition modules
• Inspect the stator and flywheel
• Confirm trigger-arm movement
• Route wires clear of rotating components
• Verify maximum timing after installation

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 96455A18 - Earlier assembly-format reference
• 96455T18 - Later service reference

OEM / Related Numbers

• 96455A18
• 96455T18
• 338-96455A18
• 338-96455T18
• Trigger Type: Six-Cylinder V6
• Application Family: Later 2.5L Carburetted / EFI and Sport Jet

Aftermarket / Verified Equivalents

• CDI Electronics: 134-6456-18
• Aftermarket V6 trigger replacing 96455A18
• Aftermarket V6 trigger replacing 96455T18

📦 Condition

• Genuine Mercury or Mariner used part
• Pre-owned electrical component
• Cosmetic marks and wire ageing may be present
• Electrical testing before installation is strongly recommended
• Supplied in protective or equivalent packaging