Skip to product information
Complete Distributor for EST GM 3.0 & 2.5 L MerCruiser OMC Volvo 817377 986653

Complete Distributor for EST GM 3.0 & 2.5 L MerCruiser OMC Volvo 817377 986653

Write A Review
Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$143.09
Sale price  $143.09 Regular price 

Available to Order

Usually ships in 2–4 business days.
This Complete Distributor for EST GM 3.0 & 2.5 L is a high-quality aftermarket replacement part compatible with MerCruiser, OMC, and Volvo and matches OEM Part# 817377, 986653.
Shop at Northline Parts Best Customer Service Best Online Parts

Not sure which part fits your equipment?

Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7

Call us

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Product Overview

This marine ignition distributor is engineered to provide precise spark timing for GM-based 4-cylinder engines. It serves as a direct replacement for engines utilizing Electronic Spark Timing systems to ensure optimal performance and fuel efficiency.

Key Features & Performance

  • Precise Timing:Supports Electronic Spark Timing (EST) for improved engine efficiency.
  • Marine Grade:Built with components designed to withstand harsh saltwater and freshwater environments.
  • Complete Assembly:Includes essential components for a straightforward replacement process.

Fitment & Compatibility

  • Applications:MerCruiser, OMC, Volvo Penta
  • Engine Models:GM 2.5L & 3.0L 4-Cylinder
  • Part Number(s):817377, 986653

Technical Specifications

  • Ignition Type:Electronic Spark Timing (EST)
  • Cylinder Count:4
  • Engine Displacement:2.5L (153 CID), 3.0L (181 CID)

Frequently Asked Questions

Q:Is this distributor a direct bolt-on for my 3.0L MerCruiser?A:Yes, it is designed as a direct replacement for 3.0L engines using the EST ignition system.

Q:Does this unit come pre-assembled?A:This is a complete distributor assembly designed for immediate installation into compatible marine engines.

Compatibility may vary by serial number. Verify fitment before purchase.

Customers also purchased

Keywords (Used as search references only) View IP policy.