# 966145 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta plug for the D8A1-A MP and D8A2-A MP, weighing 0.052 kg and listed for 36 applications across the TAD, D and TADH series. The engine designation is what identifies it among the plugs in this run.

## 🚤 Compatibility

-   **Engine Family:** TAD, D, TADH
-   **HP Range:** 300-480 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   For D8A1-A MP and D8A2-A MP
-   0.052 kg
-   36 applications across the TAD, D and TADH series
-   Closes an unused threaded port

## 🔌 Function

Closes off a threaded port or drilling that is not in use, sealing it against pressure and contamination.

## ⚠️ Common Signs of Failure

-   Weeping or seeping around the plug
-   Drive recess or hexagon rounded out
-   Thread damaged or cross-started
-   Corrosion seizing the plug in its port

## 🛠️ Service Notes

-   Check the engine designation against D8A1-A MP or D8A2-A MP before ordering

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D6-340I-G, D6-380I-G, D6-440I-G, D6-480I-G, D6-300A-G, D6-340A-G, D6-380A-G, D6-440I-WJ-G, D6-480I-WJ-G, D6-300D-G, D6-340D-G, D6-380D-G, D6-440D-G, D6-480D-G, D6-400A-G, D6-440A-G, D6-300I-G, D6-480A-G
-   Volvo Penta D8A1-A MP, D8A2-A MP, D8A3-A MP, D8A4-A MP
-   Volvo Penta TAD840-43VE, TAD840-43VE-C
-   Volvo Penta TAD850-52VE, TAD850-52VE-C
-   Volvo Penta TAD880-82GE, TAD880-84VE
-   Volvo Penta TADH880-82GE, TADH880-84VE
-   Volvo Penta TAD540-42VE
-   Volvo Penta TAD550-51VE
-   Volvo Penta TAD552VE
-   Volvo Penta TAD852VE-B
-   Volvo Penta TAD853VE
-   Volvo Penta TAD870-73VE

## Details

- **Price:** 12.14 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 12.14 AUD | In stock |

## Images

- 966145 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/966145-plug-genuine-volvo-penta)
> Updated: 2026-10-07