Indmar Bottom Mount GM Marine Starter

Indmar 571006 Marine Starter – GM Small & Big Block Bottom Mount (SAE J1171 Approved)

Replace your marine starter with a genuine OEM Indmar 571006 OEM bottom-mount starter, designed for reliable performance across nearly all GM small block and select big block marine engines. This genuine Indmar starter is Coast Guard–approved and built for durability in demanding marine environments.

Key Features

• OEM Indmar Part #571006 – Direct factory replacement
• Fits GM Marine Small Block & Big Block Engines (bottom bell housing mount applications)
• SAE J1171 Marine Certified – Spark-arrested and Coast Guard approved
• Compatible with leading marine engine systems from Indmar, PCM, and MerCruiser
• Engineered for long-lasting, dependable starting power

Cross-Reference Part Numbers

• PCM: RA122015
• MerCruiser: 50-863007A1

Engine Compatibility

Compatible with:

• Indmar LCR Engines
• Indmar Carbureted 310 HP Engines
• Indmar Monsoon Engines
• Indmar Assault Engines
• Most 5.7L GM Small Block Marine Engines (approx. 99.9%)
• Indmar Hammerhead 380 & 383
• Indmar 8.1L 496 Big Block

Important Fitment Notes

• Will NOT fit:
  • GM LT1, LS1, or 6.0L engines (use Indmar 571005 instead)
  • Indmar top-mount bell housings (use Indmar 573002 instead)

Installation Notes

• Torque battery-positive cable to 106 in-lbs only
• Do NOT overtighten – overtightening may damage the solenoid
• Grease the starter bendix before installation

Additional Details

• Condition: New, Genuine OEM
• Finish: Ships unpainted