# 987969 OMC 5070604A3 Mercruiser Starter Motor OMC Cobra | Genuine Used Part

🔧 Product Description

  

Genuine OMC Cobra / MerCruiser Marine Starter Motor - Part Numbers: 0987969 / 5070604A3

  

A genuine OMC Cobra / MerCruiser marine starter motor used on petrol stern drive and inboard marine engines. This starter family is associated with OMC Cobra starter assemblies and cross-referenced MerCruiser marine starter applications.

  

⚙️ Key Features

  

• Genuine OMC / MerCruiser starter motor

• Correct OMC reference 0987969 / 987969

• Related MerCruiser reference 5070604A3

• Marine starter motor for petrol stern drive applications

• Used on OMC Cobra and related GM-based marine starting systems

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 0987969 OMC starter assembly reference

• 987969 short OMC starter reference

• 5070604A3 related MerCruiser starter motor reference

  

OEM / Related Numbers:

  

• 0987969

• 987969

• 5070604A3

• OMC Cobra starter assembly reference

• MerCruiser 5070604A3 starter reference

  

Aftermarket / Verified Equivalents:

  

• Permanent-magnet replacement starter for OMC 0987969

• Aftermarket reference: 0987969 / 987969

• Aftermarket marine starter replacement for OMC Cobra petrol applications

  

🚤 Compatibility

  

Commonly used on:

  

• OMC Cobra petrol sterndrive starter systems

• MerCruiser petrol marine starter systems using 5070604A3

• GM-based marine engine starting systems where the starter diagram specifies OMC 0987969

  

Typically suits:

  

• Engine models:

• OMC Cobra 4-cylinder petrol sterndrive applications where 0987969 is specified

• OMC Cobra 4.3L GM V6 petrol sterndrive applications where 0987969 is specified

• OMC Cobra 5.0L GM V8 petrol sterndrive applications where 0987969 is specified

• OMC Cobra 5.7L GM V8 petrol sterndrive applications where 0987969 is specified

• MerCruiser petrol marine engine applications using 5070604A3 starter reference

• OMC / MerCruiser stern drive starter applications using the 987969 / 5070604A3 starter family

  

• Engine Type: OMC Cobra / MerCruiser petrol stern drive engine

• Year Range: model-specific OMC Cobra and MerCruiser petrol starter applications

• System Type: Marine electric starter motor

  

🔌 Function

  

The starter motor engages the flywheel ring gear and cranks the marine petrol engine during electric starting.

  

Common signs of failure:

  

• Starter solenoid clicks but motor does not crank

• Slow or weak cranking

• Starter drive grinding or slipping

• Intermittent no-crank fault

• High current draw or overheating

• Worn brushes, bearings, armature, solenoid contacts or pinion gear

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 175.0 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Sawley’s AAM Used Parts – Starter Motors | Marine Starter Motors & Cranking Systems

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 175.00 AUD | In stock |

## Images

- 987969 OMC 5070604A3 Mercruiser Starter Motor OMC Cobra | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/987969-omc-5070604a3-mercruiser-starter-motor-omc-cobra-genuine-used-part)
> Updated: 2026-07-06