# 24185129 O-Ring | Genuine Volvo Penta Part

## 🔧 Product Description

This genuine Volvo Penta o-ring supersedes part number 20559801 and covers its 19 TAD series engine applications. O-rings are single-use.

## ⚙️ Key Features

-   O-ring superseding 20559801
-   Covers 19 TAD series engine applications

## 🔌 Function

Seals a joint between two components, squeezed into its groove to hold pressure in and dirt out.

## ⚠️ Common Signs of Failure

-   Weeping or dripping at the joint it seals
-   Level falling in the circuit with no other leak found
-   Hardened, flattened or cracked ring on removal
-   Nipped or twisted ring showing damage during assembly
-   Swollen ring from contact with the wrong fluid

## 🛠️ Service Notes

-   O-rings are single-use - fit a new one whenever the joint is opened
-   Check the groove and mating bore are clean and unscored, and lubricate before assembly

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   24185129 → Supersedes 20559801

### OEM / Related Numbers

-   20559801 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 37.31 AUD
- **Vendor:** Volvo Penta
- **Type:** Gaskets & Seals
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 37.31 AUD | In stock |

## Images

- 24185129 O-Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/24185129-o-ring-genuine-volvo-penta)
> Updated: 2026-10-07