# 8M0024341 Mercury Oil Module | Genuine Used Part

🔧 Product Description

  

Genuine Mercury Oil Warning Module - Part Number: 8M0024341

  

A genuine Mercury oil warning module used on selected Mercury and Mariner two-stroke oil-injection systems. This module is associated with the 14857-series oil warning module family and monitors oil-injection warning circuits on compatible engines.

  

⚙️ Key Features

  

• Genuine Mercury oil warning module

• Correct OEM part number 8M0024341

• Related to Mercury 14857-series oil warning modules

• Used on selected Mercury / Mariner oil-injected two-stroke outboards

• Match by original module number, connector layout and oil-injection warning diagram

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 14857 earlier Mercury oil warning module family reference

• 14857A2 related Mercury oil warning module reference

• 14857A3 related Mercury oil warning module reference

• 14857A4 related Mercury oil warning module reference

• 14857A6 related Mercury oil warning module reference

• 14857A7 related Mercury oil warning module reference

• 14857A8 related Mercury oil warning module reference

• 14857A9 related Mercury oil warning module reference

• 14857A10 related Mercury oil warning module reference

• 14857A11 related Mercury oil warning module reference

• 14857A14 related Mercury oil warning module reference

• 14857A15 related Mercury oil warning module reference

• 14857A16 related Mercury oil warning module reference

• 8M0024341 Mercury oil warning module reference

  

OEM / Related Numbers:

  

• 8M0024341

• 14857

• 14857A2

• 14857A3

• 14857A4

• 14857A6

• 14857A7

• 14857A8

• 14857A9

• 14857A10

• 14857A11

• 14857A14

• 14857A15

• 14857A16

• Oil warning module

• Oil warn module

• Low oil warning module

• Oil injection warning module

  

Aftermarket / Verified Equivalents:

  

• CDI Electronics: 144-4857-16

• Recmar-style 14857A16 replacement reference

• Aftermarket replacement for Mercury / Mariner 14857A16 oil warning module family

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury / Mariner two-stroke oil-injection warning systems

  

Typically suits:

  

• Engine models:

• Mercury / Mariner 30 Jet oil-injected two-stroke applications using 14857A16 / 8M0024341 family

• Mercury / Mariner 40HP 3-cylinder and 4-cylinder oil-injected two-stroke applications

• Mercury / Mariner 45 Jet oil-injected two-stroke applications

• Mercury / Mariner 50HP oil-injected two-stroke applications

• Mercury / Mariner 55HP oil-injected two-stroke applications

• Mercury / Mariner 60HP oil-injected two-stroke applications

• Mercury 50HP used-part reference applications using 8M0024341 oil warning module

• Mercury / Mariner 2-cylinder, 3-cylinder and 4-cylinder oil-injection systems from approximately 1990-1999 using 14857A16 family modules

• Mercury SportJet oil-injection systems where the oil warning module diagram specifies 14857A16 family references

  

• HP Range: commonly 30HP - 60HP for confirmed 2 / 3 / 4-cylinder oil-injection warning applications

• Engine Type: Mercury / Mariner two-stroke oil-injection warning system

• Year Range: approximately 1990 - 1999 for 14857A16 replacement family; final fitment is serial-number controlled

• Serial Note: Match by exact Mercury / Mariner serial number, oil tank sensor wiring, warning horn circuit, connector layout and original module number before installation.

  

🔌 Function

  

The oil warning module monitors the oil-injection warning circuit and triggers the warning horn when low oil or oil-system faults are detected on compatible systems.

  

Common signs of failure:

  

• False oil alarm

• No oil warning alarm during test

• Intermittent warning horn

• Warning horn stays on with correct oil level

• Damaged or corroded module wiring

• Oil warning function returns when a known-good module is fitted

• Module replacement required after oil-injection warning-system diagnosis

  

📦 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 – Electronic Components | ECU CDI & Electrical Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 40.00 AUD | In stock |

## Images

- 8M0024341 Mercury Oil Module | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/8m0024341-mercury-oil-module-genuine-used-part)
> Updated: 2026-07-02