# 3851975 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta plug from the Marine Propulsion group, weighing 4.5 grams and listed for 11 applications across D, DPH and TSK installations.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D6-300A-G
-   Volvo Penta D6-340A-G
-   Volvo Penta D6-380A-G
-   Volvo Penta DPH-E
-   Volvo Penta TSK DPH-E
-   Volvo Penta D6-400A-G
-   Volvo Penta D4-150A-G
-   Volvo Penta D4-230A-G
-   Volvo Penta D4-270A-G
-   Volvo Penta D4-300A-G
-   Volvo Penta TSK DPH-E1

-   **Engine Family:** D, DPH, TSK
-   **HP Range:** 150-400 HP

## ⚙️ Key Features

-   4.5 grams
-   For D, DPH and TSK installations
-   11 applications

## 🔌 Function

Closes off a drilling or port so oil, water or air stays in the circuit.

## ⚠️ Common Signs of Failure

-   Seepage or a wet trail at the plug boss
-   Plug backed out or loose in its thread
-   Head or drive recess damaged, so it cannot be gripped
-   Thread or sealing face corroded on removal

## 🛠️ Service Notes

-   Renew the sealing washer or O-ring if the plug uses one, rather than relying on thread sealant alone

## 📦 Condition

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

## Details

- **Price:** 9.16 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 9.16 AUD | In stock |

## Images

- 3851975 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3851975-plug-genuine-volvo-penta)
> Updated: 2026-09-07