# 30750957 Leak-Off Line | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta leak-off line from the Fuel System group, weighing 0.077 kg and listed for 20 D series engine applications. It consolidates earlier references 30756113 and 8670357, one catalogued as a fuel hose.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D3-110I-B
-   Volvo Penta D3-110I-C
-   Volvo Penta D3-130I-C
-   Volvo Penta D3-130A-A
-   Volvo Penta D3-160A-A
-   Volvo Penta D3-130A-B
-   Volvo Penta D3-160A-B
-   Volvo Penta D3-130A-C
-   Volvo Penta D3-160A-C
-   Volvo Penta D3-190A-B
-   Volvo Penta D3-190A-C
-   Volvo Penta D3-190I-A
-   Volvo Penta D3-110I-A
-   Volvo Penta D3-130I-A
-   Volvo Penta D3-160I-A
-   Volvo Penta D3-160I-C
-   Volvo Penta D3-190I-B
-   Volvo Penta D3-190I-C
-   Volvo Penta D3-130I-B
-   Volvo Penta D3-160I-B

-   **Engine Family:** D
-   **HP Range:** 110-190 HP

## ⚙️ Key Features

-   0.077 kg
-   Consolidates 30756113 and 8670357
-   20 D series engine applications
-   Also supersedes Volvo part number 30711188

## 🔌 Function

Returns leak-off fuel from the injectors back to the tank or fuel circuit.

## ⚠️ Common Signs of Failure

-   Fuel weeping or misting at the connections
-   Line hardened, cracked or perished
-   Blockage causing pressure to build in the return
-   Air drawn into the fuel system through a loose joint
-   Fuel smell in the engine space

## 🛠️ Service Notes

-   A blocked leak-off line pressurises the injector return and can cause running faults — confirm the bore is clear
-   A weeping fuel line in an engine space is a fire risk, so treat it as urgent

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   30750957 → Supersedes 30756113

### OEM / Related Numbers

-   8670357 earlier number superseded by this part
-   30756113 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 443.4 AUD
- **Vendor:** Volvo Penta
- **Type:** Hoses & Pipes
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 443.40 AUD | In stock |

## Images

- 30750957 Leak-Off Line | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/30750957-leak-off-line-genuine-volvo-penta)
> Updated: 2026-09-06