# 843639 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta plug from the Instruments group, weighing 0.091 kg and listed for 44 applications across D, TD, TMD, TAMD, TAD and MD series engines. Lock nut 843640, at 0.032 kg, sits in the same area of the instrument installation.

## 🚤 Compatibility

-   **Engine Family:** D, TD, TMD, TAMD, TAD, MD

Full model list at the end of this description.

## ⚙️ Key Features

-   0.091 kg
-   44 applications across D, TD, TMD, TAMD, TAD and MD series engines
-   Used alongside lock nut 843640

## 🔌 Function

Closes off an instrument opening or connection so nothing can leak or enter through it.

## ⚠️ Common Signs of Failure

-   Weeping or damp around the plug
-   Thread or sealing seat corroded or damaged
-   Plug loose or backing out in service
-   Hex or drive recess rounded off on removal

## 🛠️ Service Notes

-   Renew the sealing washer or ring with the plug and do not overtighten into a soft housing
-   Lock nut 843640 is the retaining nut in the same area

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TAMD162C-C, TAMD162A, TAMD162C, TAMD162C-B
-   Volvo Penta TD100AHC, TD100ARC, TD100CHC, TD100CRC
-   Volvo Penta D5A-B TA, D5A-T, D5A-TA
-   Volvo Penta D7A-B TA, D7A-T, D7A-TA
-   Volvo Penta TAD120AHC, TAD120BHC, TAD120CHC
-   Volvo Penta D100BHC, D100BRC
-   Volvo Penta D70CHC, D70CRC
-   Volvo Penta MD2010, MD2010B
-   Volvo Penta TAMD102A, TAMD102D
-   Volvo Penta TAMD122A, TAMD122A/C
-   Volvo Penta TAMD165A, TAMD165C
-   Volvo Penta TAMD73P-A, TAMD73WJ-A
-   Volvo Penta TD120AHC, TD120ARC
-   Volvo Penta TD121CHC, TD121CRC
-   Volvo Penta TD70CHC, TD70CRC
-   Volvo Penta TAD121CHC
-   Volvo Penta TAMD103A
-   Volvo Penta TAMD163A-A
-   Volvo Penta TAMD71B
-   Volvo Penta TAMD74A
-   Volvo Penta TMD102A
-   Volvo Penta TMD122A

## Details

- **Price:** 58.18 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 58.18 AUD | In stock |

## Images

- 843639 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/843639-plug-genuine-volvo-penta)
> Updated: 2026-10-09