# 831908 Coolant Pipe | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta coolant pipe from the Cooling System group, weighing 0.123 kg and listed for 12 applications on AQ and BB series engines. It supersedes part number 850413.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta AQ120B
-   Volvo Penta AQ125A
-   Volvo Penta AQ151A
-   Volvo Penta AQ151B
-   Volvo Penta AQ151C
-   Volvo Penta AQ145B
-   Volvo Penta 250A
-   Volvo Penta 250B
-   Volvo Penta BB140A
-   Volvo Penta BB145A
-   Volvo Penta AQ145A
-   Volvo Penta AQ140A

-   **Engine Family:** AQ, BB

## ⚙️ Key Features

-   0.123 kg
-   Supersedes 850413
-   12 applications on AQ and BB series engines
-   Cooling System group

## 🔌 Function

Carries coolant along a fixed run between two connection points on the engine.

## ⚠️ Common Signs of Failure

-   Coolant weeping or dripping at a pipe end
-   Pipe pitted, thinned or holed by internal corrosion
-   Dried coolant or salt trails down the outside
-   Pipe chafed where it passes a bracket or clip
-   Temperature creeping up as internal scale restricts flow

## 🛠️ Service Notes

-   Coolant pipe 831906 is the other AQ and BB run here at 0.288 kg, so compare the pipe you remove before ordering
-   Renew the sealing rings at both ends whenever the pipe comes off

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   831908 → Supersedes 850413

## 📦 Condition

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

## Details

- **Price:** 315.65 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 315.65 AUD | In stock |

## Images

- 831908 Coolant Pipe | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/831908-coolant-pipe-genuine-volvo-penta)
> Updated: 2026-08-22