# 3850662 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta plug for gasoline installations, from the Marine Propulsion group, listed for 14 applications on SX drives. The gasoline designation is the point of this listing.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta SX-RT2
-   Volvo Penta SX-S
-   Volvo Penta SX-ST
-   Volvo Penta SX-C
-   Volvo Penta SX-C1
-   Volvo Penta SX-C2
-   Volvo Penta SX-CT
-   Volvo Penta SX-CT1
-   Volvo Penta SX-CT2
-   Volvo Penta SX-M
-   Volvo Penta SX-M1
-   Volvo Penta SX-MTD
-   Volvo Penta SX-MTD3
-   Volvo Penta SX-RT1

-   **Engine Family:** SX

## ⚙️ Key Features

-   For gasoline installations
-   Marine Propulsion group
-   SX drives
-   Published weight too low to identify the part by

## 🔌 Function

Blanks off an opening in the drive housing and seals it against water or oil.

## ⚠️ Common Signs of Failure

-   Oil or water weeping at the plug
-   Water found in the drive oil
-   Drive recess rounded or chewed
-   Threads corroded or the plug seized in place
-   Sealing washer flattened or missing on removal

## 🛠️ Service Notes

-   Listed for gasoline installations, so do not assume a diesel listing gives the same part
-   Renew the sealing washer every time the plug is disturbed
-   The published weight is unusable for identification, so order by number

## 📦 Condition

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

## Details

- **Price:** 1.83 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1.83 AUD | In stock |

## Images

- 3850662 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3850662-plug-genuine-volvo-penta)
> Updated: 2026-09-06