# 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

  

🔄 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

  

🚤 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

  

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

  

📦 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

## Details

- **Price:** 50.0 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Sawley’s AAM Used Parts – Triggers | Ignition Triggers & Pickup Coils

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 50.00 AUD | In stock |

## Images

- 96455T18 96455A18 Mercury Trigger | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/96455t18-96455a18-mercury-trigger-genuine-used-part)
> Updated: 2026-07-12