# 872522 Lock Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta lock ring from the Marine Propulsion group, weighing 0.025 kg and listed for 21 applications across the D, TMD, AD, DPI, HS and TAMD series.

## 🚤 Compatibility

-   **Engine Family:** D, TMD, AD, DPI, HS, TAMD, KAD, KAMD
-   **HP Range:** 150-440 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   Lock ring, Marine Propulsion group
-   0.025 kg
-   Listed for 21 applications across six series
-   2 used per assembly

## 🔌 Function

Locates in a machined groove to stop a shaft or bearing moving along its axis.

## ⚠️ Common Signs of Failure

-   End float or a knock developing in the assembly
-   Ring found displaced, distorted or out of its groove
-   Groove edges worn round or damaged
-   Ring ends splayed from being over-opened on removal
-   Corrosion pitting along the ring

## 🛠️ Service Notes

-   Fit a new ring rather than reusing one that has been opened, and make sure it seats fully in its groove

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D4-150A-G, D4-230A-G, D4-270A-G, D4-320A-G, D4-300A-G
-   Volvo Penta D6-300A-G, D6-340A-G, D6-380A-G, D6-400A-G, D6-440A-G
-   Volvo Penta AD31D, AD31D-A, AD31XD
-   Volvo Penta TAMD31M, TAMD31D
-   Volvo Penta DPI-A
-   Volvo Penta HS1A
-   Volvo Penta KAD42B
-   Volvo Penta KAMD42B
-   Volvo Penta TAMD42B
-   Volvo Penta TMD31D

## Details

- **Price:** 14.31 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 14.31 AUD | In stock |

## Images

- 872522 Lock Ring | Genuine Volvo Penta Part
- 872522 Lock 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/872522-lock-ring-genuine-volvo-penta)
> Updated: 2026-09-22