# 861918 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta plug marked Alt, weighing 0.050 kg and listed for 28 applications across the D, TAMD and MD series.

## 🚤 Compatibility

-   **Engine Family:** D, TAMD, MD
-   **HP Range:** 55 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   Marked Alt
-   0.050 kg
-   28 applications across D, TAMD and MD engines
-   Quantity varies by assembly, most commonly one

## 🔌 Function

Closes off the opening it fits, sealing the passage behind it.

## ⚠️ Common Signs of Failure

-   Seepage or a wet trail below the plug
-   Plug corroded or pitted around its sealing face
-   Plug loose, or the drive rounded out on removal
-   Seat or thread damaged so the plug will not seal

## 🛠️ Service Notes

-   This plug is listed with the marking Alt, so quote that with the part number when ordering

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TAMD74P-A, TAMD74P-B, TAMD74A, TAMD74C-A, TAMD74C-B, TAMD74L-A, TAMD74L-B
-   Volvo Penta MD2010, MD2010B, MD2010-C, MD2010-D
-   Volvo Penta MD2020, MD2020B, MD2020-C, MD2020-D
-   Volvo Penta MD2030, MD2030B, MD2030-C, MD2030-D
-   Volvo Penta MD2040, MD2040B, MD2040-C, MD2040-D
-   Volvo Penta D2-55, D2-55B
-   Volvo Penta TAMD73P-A, TAMD73WJ-A
-   Volvo Penta TAMD75P-A

## Details

- **Price:** 138.22 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 138.22 AUD | In stock |

## Images

- 861918 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/861918-plug-genuine-volvo-penta)
> Updated: 2026-09-18