99419A3 Mercruiser Starter Motor 10455602 Delco Marine | Genuine Used Part

🔧 Product Description

Genuine MerCruiser Delco Marine Starter Motor - Part Numbers: 50-99419A3 / 10455602

A genuine MerCruiser Delco marine starter motor used on GM-based marine petrol engines. This Delco-style marine starter is used where the MerCruiser starter diagram specifies 50-99419A3 or Delco 10455602.

⚙️ Key Features

• Genuine MerCruiser / Delco marine starter motor

• Correct MerCruiser reference 50-99419A3

• Delco marine reference 10455602

• Marine petrol-engine starter motor

• Used on GM-based MerCruiser starter systems where specified

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 50-99419A3 MerCruiser starter motor reference

• 50-99419A2 related MerCruiser starter motor reference

• Delco 10455602 marine starter reference

OEM / Related Numbers:

• 50-99419A3

• 99419A3

• 50-99419A2

• 99419A2

• Delco: 10455602

• Delco Marine starter reference

Aftermarket / Verified Equivalents:

• Delco-style marine starter replacement for 10455602

• Aftermarket reference: 50-99419A3

• Aftermarket MerCruiser GM marine starter replacement

🚤 Compatibility

Commonly used on:

• MerCruiser GM-based petrol marine engines

• Delco marine starter systems using 10455602

• MerCruiser stern drive and inboard starter applications using 50-99419A3

Typically suits:

• Engine models:

• MerCruiser GM 4-cylinder petrol starter applications where 50-99419A3 is specified

• MerCruiser GM V6 petrol starter applications where 50-99419A3 is specified

• MerCruiser GM small-block V8 starter applications where 50-99419A3 is specified

• MerCruiser GM big-block V8 starter applications where 50-99419A3 is specified

• MerCruiser marine petrol engine starter systems using Delco 10455602

• Engine Type: MerCruiser GM-based marine petrol engine

• Year Range: model-specific MerCruiser petrol starter applications where the starter diagram lists 50-99419A3 / 10455602

• System Type: Delco marine electric starter motor

🔌 Function

The starter motor cranks the engine by engaging the flywheel ring gear when the start circuit is activated.

Common signs of failure:

• Starter clicks but does not crank

• Slow crank with a charged battery

• Starter drive grinding or failing to engage

• Intermittent heat-soak no-start

• High current draw

• Worn brushes, solenoid contacts, armature, bearings or starter drive gear

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated