# 91871A1 Mercury Starter Housing | Genuine Used Part

🔧 Product Description

  

Genuine Mercury Starter Housing - Part Number: 91871A1

  

A genuine Mercury starter housing used in Mercury starter motor assemblies. This housing supports the starter motor internal components and starter drive alignment on matching Mercury outboard starter systems.

  

⚙️ Key Features

  

• Genuine Mercury starter housing

• Correct OEM reference 91871A1

• Starter motor housing component

• Supports starter drive and internal starter alignment

• Genuine used replacement housing for matching Mercury starter assemblies

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 91871A1 Mercury starter housing reference

  

OEM / Related Numbers:

  

• 91871A1

• 91871A 1

• 91871

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury starter motor assemblies

• Mercury outboard starting systems using starter housing 91871A1

  

Typically suits:

  

• Engine models:

• Mercury outboard starter motor assemblies where 91871A1 is specified

• Mercury starter systems using the 91871A1 housing in the starter component diagram

• Mercury starter motors requiring the matching 91871A1 housing, mounting and drive alignment

  

• HP Range: model-specific Mercury starter housing applications

• Engine Type: Mercury outboard

• Year Range: model-specific Mercury starter assemblies where the parts diagram lists 91871A1

• System Type: Starter motor housing / case component

  

🔌 Function

  

The starter housing supports and protects the internal starter motor components, helping keep the armature, drive gear, end caps and mounting points correctly aligned.

  

Common signs of failure:

  

• Cracked starter housing

• Starter drive misalignment

• Starter binding or noisy operation

• Damaged mounting points

• Water intrusion or corrosion inside starter assembly

• Excessive play in starter internal components

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 40.0 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 | 40.00 AUD | In stock |

## Images

- 91871A1 Mercury Starter Housing | Genuine Used Part
- 91871A1 Mercury Starter Housing | Genuine Used Part
- 91871A1 Mercury Starter Housing | Genuine Used Part
- 91871A1 Mercury Starter Housing | Genuine Used Part
- 91871A1 Mercury Starter Housing | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/91871a1-mercury-starter-housing-genuine-used-part)
> Updated: 2026-07-06