# 3594989 Sensor | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta two wire sensor from the Marine Propulsion group, weighing 0.204 kg and listed for 18 applications on TSK. It consolidates two earlier numbers, superseding 3863129 and 3861837, which were catalogued earlier as a kit.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TSK SX-C
-   Volvo Penta TSK SX-C1
-   Volvo Penta TSK SX-C1AC
-   Volvo Penta TSK SX-C2AC
-   Volvo Penta TSK SX-CLT M10
-   Volvo Penta TSK SX-CLT1
-   Volvo Penta TSK SX-M
-   Volvo Penta TSK SX-MAC
-   Volvo Penta TSK SX-MACLT
-   Volvo Penta TSK SX-MBAC
-   Volvo Penta TSK SX-MDA
-   Volvo Penta TSK SX-MDB
-   Volvo Penta TSK SX-MDC
-   Volvo Penta TSK SX-MHP
-   Volvo Penta TSK SX-MLT
-   Volvo Penta TSK SX-R
-   Volvo Penta TSK SX-R1
-   Volvo Penta TSK SX-R2

-   **Engine Family:** TSK

## ⚙️ Key Features

-   Two wire connection
-   0.204 kg
-   Supersedes 3863129 and 3861837, previously catalogued as a kit
-   18 applications on TSK

## 🔌 Function

Measures its value on the assembly and returns the signal to the control system over a two wire connection.

## ⚠️ Common Signs of Failure

-   Fault code or warning pointing at this sensor circuit
-   Reading drifting, sticking or dropping out intermittently
-   Corrosion or green deposits in the two pin connector
-   Cable chafed or pulled at the sensor gland
-   System defaulting to a reduced or limp mode

## 🛠️ Service Notes

-   Check that the installation uses the two wire sensor before ordering - a three wire sensor is not a substitute
-   Because the superseded numbers were catalogued as kits, check whether seals or a mounting collar came with the original and need ordering separately
-   Clean the connector and check the harness end for corrosion before condemning the sensor, then clear the stored codes after fitting

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3594989 → Supersedes 3863129

### OEM / Related Numbers

-   3863129 earlier number superseded by this part

### Aftermarket / Verified Equivalents

-   Recmar: REC3594989

## 📦 Condition

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

## Details

- **Price:** 413.76 AUD
- **Vendor:** Volvo Penta
- **Type:** Sensors & Senders
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 413.76 AUD | In stock |

## Images

- 3594989 Sensor | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3594989-sensor-genuine-volvo-penta)
> Updated: 2026-09-06