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

🚤 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

🔄 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

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated