4Boats
MerCruiser Inboard Starter Motor 50-808011A05 12V CCW 9T V6 V8 5.7L 7.4L 8.1L
MerCruiser Inboard Starter Motor 50-808011A05 12V CCW 9T V6 V8 5.7L 7.4L 8.1L
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MerCruiser Starter Motor 50-808011A05
Premium Quality Rear-Entry Inboard Replacement
This high-performance PMGR (Permanent Magnet Gear Reduction) starter motor is specifically designed for MerCruiser and Volvo Penta Inboard marine engines. Unlike standard sterndrive starters, this unit is engineered for Rear-Entry/Top-Mount bellhousing applications commonly found in transmission-driven setups like ZF Hurth or Velvet Drive.
Key Features
- ✔ Direct fit for 50-808011A05
- ✔ Permanent Magnet Gear Reduction
- ✔ High-Torque 1.6kW Output
- ✔ Marine Ignition Protected (SAE J1171)
Technical Specs
| Voltage | 12V |
| Rotation | CCW (Counter-Clockwise) |
| Teeth | 9-Tooth Pinion |
| Type | PMGR |
| Mounting | Top/Rear Bellhousing |
Compatibility / Fitment Guide
| Make/System | Model/Application | Notes |
|---|---|---|
| MerCruiser Inboard | 350 Mag MPI / 5.7L EFI MIE | Rear-entry bellhousing only |
| MerCruiser Inboard | MX 6.2L MPI / Horizon | Fits standard rotation engines |
| MerCruiser Inboard | 7.4L / 454 Mag MPI / 8.1L / 8.2L | V8 Big Block Inboards |
| Volvo Penta | Select GM-Based V6 & V8 Inboards | Check cross-reference numbers |
OEM Cross Reference
| Mercury Marine | 50-808011A05, 50-808011A4, 808011A05 |
| Sierra Marine | 18-5603-1 |
| Arco Marine | 30459 |
| Delco Remy | 9000888 |
| Volvo Penta | 3862985, 21129980 |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.
How do I know if it is compatible?
We recommend checking the SKU/MPN and Cross Reference list provided above. If your original part number matches any of these, it is a guaranteed fit.
Will this fit my sterndrive engine?
No. This specific model is a Rear-Entry / Top-Mount starter used only on Inboard transmission setups. It will not fit standard sterndrive engines that use bottom-mounted (straight or offset) starters.
Note: Please verify your original part number against the references above before purchasing. Distributed by 4Boats / Aftermarket.
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