# 23370760 Breather Cap | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta breather cap from the Marine Propulsion group, weighing 0.014 kg and listed for 25 applications across D and HS series engines and units. A blocked breather lets pressure build inside the housing.

## 🚤 Compatibility

-   **Engine Family:** D, HS
-   **HP Range:** 110-330 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   Breather cap from the Marine Propulsion group
-   0.014 kg
-   Listed for 25 applications across D and HS series engines and units

## 🔌 Function

Lets the housing breathe as it heats and cools, equalising pressure while keeping water and dirt out of the oil.

## ⚠️ Common Signs of Failure

-   Oil pushed out past seals that were sound before
-   Housing found pressurised when the cap is removed
-   Cap found blocked with paint, sludge or salt
-   Water or emulsified oil in the housing
-   Cap loose, cracked or its seal perished

## 🛠️ Service Notes

-   A blocked breather builds pressure and blows the shaft seals out, so check it whenever a seal has failed
-   Fit the cap dry and clean - do not paint over it or seal it up

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D4-260I-F, D4-180I-F, D4-225I-F, D4-300I-F, D4-175I-G, D4-230I-G, D4-270I-G, D4-320I-G, D4-300I-G, D4-145I-G, D4-175 VG
-   Volvo Penta D3-220I-G, D3-110I-G, D3-150I-G, D3-170I-G, D3-200I-G, D3-110I-H, D3-150I-H, D3-170I-H, D3-200I-H, D3-220I-H
-   Volvo Penta D6-300I-F, D6-300I-G, D6-330I-F
-   Volvo Penta HS68IV-A

## Details

- **Price:** 81.38 AUD
- **Vendor:** Volvo Penta
- **Type:** Drives & Propulsion
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 81.38 AUD | In stock |

## Images

- 23370760 Breather Cap | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/23370760-breather-cap-genuine-volvo-penta)
> Updated: 2026-09-19