# 946743 O-Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta o-ring listed for 8 applications on MD and AQD series engines.It is one of four o-rings here sharing the same eight-application MD/AQD listing, alongside 946742 which supersedes 945214, 946781 which is tied to the MD11C/100S and MD17C/110S specifications, and 947789.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta MD1B
-   Volvo Penta MD2B
-   Volvo Penta MD3B
-   Volvo Penta MD11C
-   Volvo Penta MD11D
-   Volvo Penta AQD2B
-   Volvo Penta MD17C
-   Volvo Penta MD17D

-   **Engine Family:** MD, AQD

## ⚙️ Key Features

-   Supersedes 945215
-   8 applications on MD and AQD series engines
-   One of four MD/AQD o-rings here with 946742, 946781 and 947789

## 🔌 Function

Seals a static or slow-moving joint by squeezing into its groove.

## ⚠️ Common Signs of Failure

-   Weeping or dripping at the joint
-   Ring flattened, hardened or taking a permanent set
-   Nicks or a twist from assembly
-   Ring swollen or gone soft from the wrong fluid

## 🛠️ Service Notes

-   If your parts list shows 945215, this is the current number
-   Measure the ring you are removing before ordering; the four MD/AQD o-rings here are not separated by their listings

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   946743 → Supersedes 945215

### OEM / Related Numbers

-   945215 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 21.09 AUD
- **Vendor:** Volvo Penta
- **Type:** Gaskets & Seals
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 21.09 AUD | In stock |

## Images

- 946743 O-Ring | Genuine Volvo Penta Part
- 946743 O-Ring | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/946743-o-ring-genuine-volvo-penta)
> Updated: 2026-10-20