Name: Aftermarket Ignition Coil Mercury Mariner 25-45HP 339-859738T1 825101A2
Brand: Mercury
SKU: 339-859738T1
Price: 79.0 GBP
Availability: InStock
Rating: 5.0 (1 reviews)

Ignition Coil for Mercury Mariner Outboard, compatible 339-859738T1, 825101A2, and 859738T1 - 4Boats

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£79.00

Tax included.

Mercury Mariner 25-45HP Ignition Coil

Aftermarket replacement | 339-859738T1

This aftermarket ignition coil replaces selected Mercury and Mariner coil references across a range of 25–45HP outboards. It is intended to restore reliable spark output when the original unit has failed.

FITMENT CHECK: Because this coil spans several engine families, confirm the original part number, connector, cylinder count and serial number.

Key Features

✔ Aftermarket replacement; not genuine Mercury
✔ Fits selected two-stroke and FourStroke applications
✔ Corrosion-resistant casing
✔ Direct-style electrical connection
✔ One ignition coil supplied

Technical Specs

Part type	Ignition coil
Power range	25–45HP, model dependent
Engine types	Selected two-stroke and FourStroke
Quantity	1 coil
Primary reference	339-859738T1
SKU	339-859738T1

Compatibility / Fitment Guide

Listed for selected 25, 30, 35, 40 and 45HP Mercury/Mariner outboards, including various two-stroke models from approximately 1984–2006 and selected 25–40HP FourStroke models from approximately 1999–2006. Verify the serial-number-specific parts diagram.

Part Number Cross Reference

Mercury / Mariner

339-859738T1; 859738T1; 825101A2

This is an aftermarket coil and is not supplied as a genuine Mercury or Mariner component.

Questions & Answers

Is this genuine Mercury?

No. It is an aftermarket replacement.

Will it fit all 25–45HP models?

No. Match the part number, connector and serial number.

How many coils are supplied?

One coil is included.

Can a coil fix every misfire?

No. Spark plugs, wiring, trigger, stator and fuel-system faults should also be diagnosed.

Note: Use the service manual and isolate the ignition system before installation.

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

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Aftermarket Ignition Coil Mercury Mariner 25-45HP 339-859738T1 825101A2