# 23301978 Protective Cap | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta protective cap from the Cables and Fuses group, weighing 0.007 kg and listed for 28 D series engine applications. Caps keep moisture off electrical terminals, which is what prevents corrosion at the joint.

## 🚤 Compatibility

-   **Engine Family:** D
-   **HP Range:** 145-480 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   Protective cap from the Cables and Fuses group
-   0.007 kg
-   Listed for 28 D series engine applications

## 🔌 Function

Covers an electrical terminal or connector while it is unmated, keeping moisture, salt and dirt off the contacts.

## ⚠️ Common Signs of Failure

-   Cap missing, split or gone hard and perished
-   Green or white corrosion on the terminal it should have covered
-   Intermittent fault on the circuit behind it
-   Cap no longer gripping, so it falls off with vibration

## 🛠️ Service Notes

-   Cables-and-Fuses group cap at 0.007 kg, covering 28 D4/D6 applications across the I, A and D suffix variants — confirm which drive designation the terminal sits on before ordering

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D6-340I-G, D6-380I-G, D6-440I-G, D6-480I-G, D6-300A-G, D6-340A-G, D6-380A-G, D6-440I-WJ-G, D6-480I-WJ-G, D6-300D-G, D6-340D-G, D6-380D-G, D6-440D-G, D6-480D-G, D6-400A-G, D6-440A-G, D6-300I-G
-   Volvo Penta D4-175I-G, D4-230I-G, D4-270I-G, D4-320I-G, D4-300I-G, D4-150A-G, D4-230A-G, D4-270A-G, D4-320A-G, D4-300A-G, D4-145I-G

## Details

- **Price:** 29.19 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 29.19 AUD | In stock |

## Images

- 23301978 Protective Cap | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/23301978-protective-cap-genuine-volvo-penta)
> Updated: 2026-09-19