# 840345 Temperature Sensor | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta temperature sensor from the Instruments group, the alternative for temperature sender 827151 and thermoswitch control 833927, weighing 0.07 kg and listed for 42 applications across MD, TMD, AQAD, D, TAMD and MS series engines. It supersedes part number 846773, which was catalogued earlier as a housing. Supplied as the alternative for temp.

## 🚤 Compatibility

-   **Engine Family:** MD, TMD, AQAD, D, TAMD, MS, AQD

Full model list at the end of this description.

## ⚙️ Key Features

-   Alternative for sender 827151 and thermoswitch control 833927
-   0.07 kg
-   42 published applications across six engine series
-   Supersedes 846773, formerly a housing

## 🔌 Function

Senses coolant temperature and feeds the instrument or warning circuit that the installation is wired for.

## ⚠️ Common Signs of Failure

-   Gauge or alarm reading wrong, or not reading at all
-   Warning light staying on or never coming on
-   Coolant weeping at the sensor thread
-   Terminals corroded or the connection intermittent
-   Reading differs from a separate temperature check

## 🛠️ Service Notes

-   This part covers both a sender and a thermoswitch position, so confirm which function your circuit needs before fitting
-   Sender 840074 is the one-way type for double instruments reading 40-120°C, which is a different arrangement
-   The number it replaces was catalogued as a housing, so older records may not describe it as a sensor

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   840345 → Supersedes 846773

### OEM / Related Numbers

-   846773 earlier number superseded by this part

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta 2003, 2003R, 2003R SOLAS, 120S-B, 2003TB, 2003TB SOLAS, 120SC, 2001AG, 2001B, 2001BG, 2001D, 2003D, 2003T, 2003TR, 2002AG, 2002B, 2002BG, 2002D, 2003B, 2003B SOLAS, 2003 SOLAS, 2001, 2002, 2001R
-   Volvo Penta MS2B-A, MS2B, MS2V
-   Volvo Penta TMD40A, TMD40B, TMD40C
-   Volvo Penta AQAD40B, AQAD40A
-   Volvo Penta TAMD40A, TAMD40B
-   Volvo Penta AQAD30A
-   Volvo Penta AQD40A
-   Volvo Penta D2002AG
-   Volvo Penta D2003AG
-   Volvo Penta MD30A
-   Volvo Penta MD40A
-   Volvo Penta TAMD30A
-   Volvo Penta TMD30A

## Details

- **Price:** 399.65 AUD
- **Vendor:** Volvo Penta
- **Type:** Sensors & Senders
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 399.65 AUD | In stock |

## Images

- 840345 Temperature Sensor | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/840345-temperature-sensor-genuine-volvo-penta)
> Updated: 2026-10-21