# 852570 859168T Mercury Starter Motor | Genuine Used Part

🔧 Product Description

  

Genuine Mercury / Mariner 9.9HP-15HP Four-Stroke Starter Motor - Part Numbers: 852570 / 859168T

  

A genuine Mercury starter motor used on Mercury and Mariner 9.9HP and 15HP four-stroke outboards. This electric starter motor is part of the 50-852570 / 50-859168T starter family used on small four-stroke portable engines.

  

⚙️ Key Features

  

• Genuine Mercury / Mariner starter motor

• Correct OEM references 852570 and 859168T

• 12-volt electric starter motor

• Used on 9.9HP and 15HP four-stroke outboards

• Cross-references with 50-857065 and 50-859168 starter references

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 50-859168T later Mercury starter motor reference

• 50-859168 related Mercury starter motor reference

• 50-857065 related Mercury starter motor reference

• 50-852570T related Mercury starter motor reference

• 50-852570 earlier Mercury starter motor reference

  

OEM / Related Numbers:

  

• 852570

• 50-852570

• 50-852570T

• 857065

• 50-857065

• 859168

• 50-859168

• 859168T

• 50-859168T

  

Aftermarket / Verified Equivalents:

  

• Recmar: REC50-859168T

• Sierra-style replacement for 50-852570 / 50-859168T

• Aftermarket reference: 50-852570 / 50-859168T

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury 9.9HP four-stroke electric-start outboards

• Mercury 15HP four-stroke electric-start outboards

• Mariner 9.9HP and 15HP four-stroke starter systems

  

Typically suits:

  

• Engine models:

• Mercury 9.9HP 4-Stroke electric-start applications

• Mercury 9.9HP BigFoot 4-Stroke electric-start applications where 50-859168T is specified

• Mercury 15HP 4-Stroke electric-start applications

• Mercury 15HP BigFoot 4-Stroke electric-start applications where 50-859168T is specified

• Mariner 9.9HP 4-Stroke starter applications using 50-852570 / 50-859168T

• Mariner 15HP 4-Stroke starter applications using 50-852570 / 50-859168T

  

• HP Range: 9.9HP - 15HP

• Engine Type: Mercury / Mariner four-stroke portable outboard

• Year Range: approximately late-1990s to mid-2000s depending on model and serial range

• System Type: Electric starter motor

  

🔌 Function

  

The starter motor converts battery power into mechanical cranking force and turns the flywheel to start the engine.

  

Common signs of failure:

  

• Starter relay clicks but motor does not turn

• Slow cranking with charged battery

• Starter drive not engaging

• Intermittent hot-start issue

• Corroded terminals or water intrusion

• Worn brushes, armature, bushings or starter drive gear

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 125.0 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 | 125.00 AUD | In stock |

## Images

- 852570 859168T Mercury Starter Motor | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/852570-859168t-mercury-starter-motor-genuine-used-part)
> Updated: 2026-07-06