# 3826981 Tube | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta tube from the Instruments group for engine oil, weighing 66 grams and listed for 5 applications across TMD and TAMD series engines. It supersedes part number 847331.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TMD121C
-   Volvo Penta TAMD121D
-   Volvo Penta TAMD122A
-   Volvo Penta TAMD122A/C
-   Volvo Penta TAMD122D

-   **Engine Family:** TMD, TAMD

## ⚙️ Key Features

-   For engine oil
-   66 grams
-   5 applications across TMD and TAMD series
-   Supersedes 847331

## 🔌 Function

Carries engine oil under pressure to the instrument that reads it, so the gauge senses actual gallery pressure.

## ⚠️ Common Signs of Failure

-   Oil pressure gauge reading zero, low or wildly erratic
-   Oil weeping at the gauge end or the engine end union
-   Tube kinked, crushed or chafed along its run
-   Oil appearing behind the instrument panel
-   Gauge slow to respond to a change in engine speed

## 🛠️ Service Notes

-   Renew the sealing washers at both unions and avoid sharp bends when routing the tube
-   A gauge reading zero is often this line rather than the pump, so check the tube before condemning anything expensive

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3826981 → Supersedes 847331

### OEM / Related Numbers

-   847331 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 653.41 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 653.41 AUD | In stock |

## Images

- 3826981 Tube | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3826981-tube-genuine-volvo-penta)
> Updated: 2026-08-22