# 3830439 Connecting Rail | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta connecting rail from the Starting System group, weighing 0.025 kg and listed for a single TWD series application. It is the lightest of the three connecting rails listed here.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TWD1240VE

-   **Engine Family:** TWD

## ⚙️ Key Features

-   0.025 kg
-   Single TWD series application
-   Solid starting circuit link

## 🔌 Function

Bridges two contacts in the starting circuit with a rigid conductor, carrying current directly between them.

## ⚠️ Common Signs of Failure

-   Slow cranking with a fully charged battery
-   Rail or its terminals hot after a start attempt
-   Corrosion at the contact faces
-   Arcing marks or burnt plating at a bolted joint
-   Rail found bent, cracked or distorted

## 🛠️ Service Notes

-   Connecting rails 3830374 at 0.036 kg and 3830375 at 0.045 kg are the alternatives, all three for a single TWD application — only weight separates them in the published figures, so order by part number
-   Clean the mating faces to bright metal and torque the fixings correctly, since a loose joint is what overheats these

## 📦 Condition

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

## Details

- **Price:** 302.39 AUD
- **Vendor:** Volvo Penta
- **Type:** Hoses & Pipes
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 302.39 AUD | In stock |

## Images

- 3830439 Connecting Rail | Genuine Volvo Penta Part
- 3830439 Connecting Rail | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3830439-connecting-rail-genuine-volvo-penta)
> Updated: 2026-10-08