# 3847482 Idler Pulley | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta idler pulley for engines from serial number 2006032253 onwards, weighing 0.308 kg and listed for 50 applications on D series engines. The serial break decides the order.

## 🚤 Compatibility

-   **Engine Family:** D
-   **HP Range:** 260-480 HP
-   **Serial Range:** SN2006032253-

Full model list at the end of this description.

## ⚙️ Key Features

-   For engines from serial number 2006032253 onwards
-   0.308 kg
-   50 applications on D series engines
-   Quantity varies by assembly, most commonly one

## 🔌 Function

Guides and supports the belt around its run on a sealed bearing, keeping the belt in line and taking up the wrap the drive needs.

## ⚠️ Common Signs of Failure

-   Rumble, growl or squeal from the belt run that follows engine speed
-   Pulley rough, gritty or noisy when spun by hand off the belt
-   Belt edge frayed, or the belt running off centre
-   Grease weeping from the bearing seal
-   Belt dust building up around the pulley

## 🛠️ Service Notes

-   Check the engine serial number — this idler is the part from serial number 2006032253 onwards
-   Renew the belt with the idler and check the tensioner and the other pulleys while the belt is off

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D6-370A-C, D6-350A-A, D6-350A-B, D6-370D-E, D6-370D-B, D6-370A-F, D6-370D-A, D6-370D-C, D6-370D-D, D6-370A-D, D6-370A-E, D6-370D-F, D6-435I-D, 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, D6-400A-E, D6-435D-A, D6-435D-D, D6-435D-E, D6-435D-F, D6-435I-A, D6-435I-C, D6-435I-E, D6-400A-F, D6-435D-C, D6-435I-F, D6-370A-B, D6-480A-G
-   Volvo Penta D4-260A-F, D4-260D-F, D4-300A-F, D4-300D-F, D4-270A-G, D4-320A-G, D4-300A-G

## Details

- **Price:** 189.45 AUD
- **Vendor:** Volvo Penta
- **Type:** Belts, Pulleys & Tensioners
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 189.45 AUD | In stock |

## Images

- 3847482 Idler Pulley | Genuine Volvo Penta Part
- 3847482 Idler Pulley | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3847482-idler-pulley-genuine-volvo-penta)
> Updated: 2026-09-06