# 8M0148668 Mercury MerCruiser Temperature Sensor | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Engine Temperature Sensor Assembly - Part Number: 8M0148668

  

A genuine Quicksilver electronic temperature sensor for selected Mercury, Mariner and MerCruiser engines.

  

The sensor monitors engine or cooling-system temperature and sends a changing electrical signal to the engine control module. The ECM uses this information for fuel control, ignition strategy, warning functions and Guardian engine protection.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM temperature sensor

• Correct Mercury part number 8M0148668

• Supersedes 885342002 and 885342001

• Sealed electrical connector and threaded sensor body

• Aftermarket direct-replacement sensors available

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 8M0148668 → Supersedes 885342002

• 885342002 → Supersedes 885342001

• 885342001 earlier OEM temperature-sensor reference

  

OEM / Related Numbers:

  

• 8M0148668

• 885342002

• 885342001

• Sensor body marking: 2445

• Connector markings: PED/30 and PED101

  

Aftermarket / Verified Equivalents:

  

• Poseidon Marine: 8M0148668 replacement sensor

• Uanofcn: 8M0148668 / 885342002 replacement sensor

• Aftermarket: 885342001 temperature sensor

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury and Mariner EFI four-stroke outboards

• Mercury Verado outboards

• Selected MerCruiser electronically controlled engines

  

Typically suits:

  

• Engine models:

• Mercury 30HP EFI four-stroke

• Mercury 40HP EFI four-stroke

• Mercury 50HP EFI four-stroke

• Mercury 60HP EFI four-stroke

• Mercury 75HP EFI four-stroke

• Mercury 80HP EFI four-stroke

• Mercury 90HP EFI four-stroke

• Mercury 100HP EFI four-stroke

• Mercury 115HP EFI four-stroke

• Mercury Verado 135HP to 300HP

• Selected Mercury and MerCruiser ECM-controlled engines using sensor 885342001 or 885342002

  

• HP Range: Approximately 30HP - 300HP

• Engine Type: Mercury / Mariner EFI four-stroke, Verado and selected MerCruiser petrol engines

• Year Range: Serial-number controlled electronic-engine applications

  

🔌 Function

  

The sensor measures engine temperature and supplies the ECM with the data required for warm-up enrichment, normal fuel control and over-temperature protection.

  

Common signs of failure:

  

• False over-temperature warning

• Guardian mode without an actual overheating condition

• Hard starting or poor cold-running performance

• Excessive fuel consumption

• Temperature-sensor diagnostic fault code

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 57.73 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 57.73 AUD | In stock |

## Images

- 8M0148668 Mercury MerCruiser Temperature Sensor | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/8m0148668-mercury-mercruiser-temperature-sensor-genuine-quicksilver-oem-part)
> Updated: 2026-07-18