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Northline Parts – EST Marine Ignition Distributor for GM 2.5L 3.0L Engines

EST Marine Ignition Distributor for GM 2.5L 3.0L Engines

SKU: NLT2T05097
$143.09 In Stock
$143.09
Sale price  $143.09 Regular price 
Ships for free in 2–4 business days.
EST electronic ignition distributor for certain GM 2.5L and 3.0L marine engines.
Estimated delivery between
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model

Marine GM 2.5L and 3.0L EST ignition systems used in selected MerCruiser, OMC and Volvo Penta installations

Applications shown may depend on the installed engine, equipment configuration, and serial range. Confirm the original part before ordering.

Product Overview

A failed distributor can cause intermittent spark, hard starting or misfire. This replacement is intended for compatible marine electronic spark-timing arrangements—not standard automotive or points-ignition setups.

Key Features & Performance

  • Part type: EST Marine Ignition Distributor
  • Intended applications: Marine GM 2.5L and 3.0L EST ignition systems used in selected MerCruiser, OMC and Volvo Penta installations
  • Reference number(s) to match: 817377, 986653

OE / Reference Numbers

  • 817377
  • 986653

Common Reasons for Replacement

Distributor shaft wear; faulty pickup or housing; ignition diagnosis points to the distributor assembly.

Fitment & Installation Notes

Confirm marine engine model, EST ignition system, drive gear, cap/rotor configuration and 817377 / 986653 interchange.

Frequently Asked Questions

How do I confirm this is the correct part? Confirm marine engine model, EST ignition system, drive gear, cap/rotor configuration and 817377 / 986653 interchange.

Is this a genuine OEM part? No. This listing describes an aftermarket replacement unless the individual product is specifically identified as genuine OEM.

Part Summary

keywords: EST Marine Ignition Distributor, 817377, 986653, Marine GM 2.5L and 3.0L EST ignition systems used in selected MerCruiser, OMC and Volvo Penta installations

Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.

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