# 859948 Lock Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta lock ring from the Engine group, weighing 0.002 kg and listed for 9 applications across the TMD, MS, TAMD and MD engine series.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TMD22A
-   Volvo Penta TMD22B
-   Volvo Penta TMD22P-C
-   Volvo Penta MS2B-A
-   Volvo Penta TAMD22P-B
-   Volvo Penta MD22
-   Volvo Penta MD22A
-   Volvo Penta MD22L
-   Volvo Penta MD22P

-   **Engine Family:** TMD, MS, TAMD, MD

## ⚙️ Key Features

-   0.002 kg
-   9 applications across TMD, MS, TAMD and MD engines
-   Engine group
-   Retaining component
-   8 used per assembly

## 🔌 Function

Retains a pin or shaft in its bore, holding the assembly together against working loads and vibration.

## ⚠️ Common Signs of Failure

-   Component able to move axially where it should be captive
-   Ring found distorted, sprung open or missing on strip-down
-   Bright wear or a stepped groove where the ring has been working in its seat
-   Scoring on the bore beyond the ring position, showing something has moved

## 🛠️ Service Notes

-   Fit a new ring rather than reusing one that has been sprung open — a reused ring rarely holds its tension
-   Check the groove for wear and confirm the ring is fully seated all the way round before the assembly is closed up

## 📦 Condition

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

## Details

- **Price:** 1.73 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1.73 AUD | In stock |

## Images

- 859948 Lock Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/859948-lock-ring-genuine-volvo-penta)
> Updated: 2026-09-19
