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855714A3 855713A4 Mercury Switch Box | Genuine Used Part

855714A3 855713A4 Mercury Switch Box | Genuine Used Part

$300.00 AUD
$300.00 AUD
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🔧 Product Description

Genuine Mercury Switch Box / Ignition Power Pack - Part Numbers: 855714A3 and 855713A4

A genuine Mercury switch box ignition module used on selected Mercury and Mariner 2-cylinder two-stroke outboards. This switch box controls ignition triggering from the stator and trigger circuits to provide spark output to the ignition coils.

⚙️ Key Features

  • Genuine Mercury switch box / ignition module
  • Listed with Mercury part numbers 855714A3 and 855713A4
  • Used on selected 6HP to 25HP Mercury / Mariner two-stroke outboards
  • Cross-references with CDI Electronics 114-5713 replacement family
  • Must be matched by exact serial number, flywheel type and ignition connector layout

🚤 Compatibility

Commonly used on

  • Mercury / Mariner small two-stroke ignition systems

Typically suits

  • Engine models:
  • Mercury 6HP two-stroke 1999-2006 applications using this switch box family
  • Mercury 8HP two-stroke 1999-2006 applications using this switch box family
  • Mercury 9.9HP two-stroke 1999-2006 applications using this switch box family
  • Mercury 10HP two-stroke applications using this switch box family
  • Mercury 15HP two-stroke applications using this switch box family
  • Mercury 20HP two-stroke 2-cylinder Mercosil block applications using this switch box family
  • Mercury 25HP two-stroke 2-cylinder Mercosil block applications using this switch box family
  • Mariner 6HP two-stroke applications using this switch box family
  • Mariner 8HP two-stroke applications using this switch box family
  • Mariner 9.9HP two-stroke applications using this switch box family
  • Mariner 10HP two-stroke applications using this switch box family
  • Mariner 15HP two-stroke applications using this switch box family
  • Mariner 20HP two-stroke applications using this switch box family
  • Mariner 25HP two-stroke applications using this switch box family
  • HP Range: 6HP - 25HP
  • Engine Type: Mercury / Mariner 2-cylinder two-stroke outboard
  • Year Range: Approximately 1999 - 2006 depending on model
  • Serial Note: Commonly associated with 4-magnet flywheel ignition systems. Confirm exact serial number, ignition type and connector layout before installation.

🔌 Function

The switch box stores ignition energy from the stator and releases it to the ignition coils when triggered, creating spark at the correct timing point.

⚠️ Common Signs of Failure

  • No spark on one or both cylinders
  • Intermittent spark when hot
  • Engine misfire at RPM
  • Hard starting or no-start condition
  • Spark returns when switch box is substituted
  • Stator and trigger test correctly but spark remains absent
  • Water or heat damage to switch box casing

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 855713A4 later / replacement switch box reference
  • 855713A3 earlier related switch box reference
  • 855713A2 earlier related switch box reference
  • 855714A3 related switch box family reference

OEM / Related Numbers

  • 855714A3
  • 855713A4
  • 855713A3
  • 855713A2
  • 855713A 2
  • 855713A 3
  • 855713A 4
  • 114-5713
  • 1145713
  • 1445713

Aftermarket / Verified Equivalents

  • CDI Electronics: 114-5713
  • Aftermarket switch box replacement: 114-5713
  • Aftermarket switch box replacement: 1445713
  • Aftermarket direct-fit switch boxes for 855713A3 / 855713A4 applications

📦 Condition

  • Genuine used part
  • Removed from running engine where applicable
  • In good working condition unless otherwise stated

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in the condition you received it for a refund or exchange. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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