# 961971 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta plug weighing 0.011 kg and listed for 20 applications on TD, D and TID series engines. It supersedes 20411870. Its fitment is narrower than the plugs around it, so confirm the engine designation and the position before ordering.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TD120C
-   Volvo Penta TD70G
-   Volvo Penta TD640VE
-   Volvo Penta TD120A
-   Volvo Penta TD120G
-   Volvo Penta TD120GG PP
-   Volvo Penta TD120HPP
-   Volvo Penta D45BPP
-   Volvo Penta TD100A
-   Volvo Penta TD100AG
-   Volvo Penta D100A
-   Volvo Penta D120A
-   Volvo Penta D100B
-   Volvo Penta D70B
-   Volvo Penta TID120FPP
-   Volvo Penta TD120GG
-   Volvo Penta TID120FG
-   Volvo Penta TID120HPP
-   Volvo Penta TID121FG
-   Volvo Penta D42A

-   **Engine Family:** TD, D, TID

## ⚙️ Key Features

-   0.011 kg
-   20 listed applications
-   Fits TD, D and TID series engines
-   Supersedes 20411870
-   Quantity varies by assembly, most commonly two
-   Also supersedes Volvo part numbers 3826499 and 3826500

## 🔌 Function

Closes off a drilling or port in a casting, sealing the passage against pressure and keeping dirt out.

## ⚠️ Common Signs of Failure

-   Weeping from around the plug
-   Drive head rounded or chewed
-   Plug seized into the casting
-   Corrosion round the sealing seat
-   Plug found loose on inspection

## 🛠️ Service Notes

-   An engine documented against 20411870 takes this plug
-   Renew the seal under the plug at the same time

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   961971 → Supersedes 20411870

### OEM / Related Numbers

-   961960 referenced in the part notes

## 📦 Condition

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

## Details

- **Price:** 12.88 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 12.88 AUD | In stock |

## Images

- 961971 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/961971-plug-genuine-volvo-penta)
> Updated: 2026-10-09