# 866159 Connecting Pipe | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta connecting pipe from the Cooling System group, weighing 1.997 kg and listed for 8 applications across TWD and TID series engines. It supersedes part number 865531. Two further connecting pipes are listed here, 866131 and 866213, so check the fitment before ordering.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TWD1620G
-   Volvo Penta TWD1630G
-   Volvo Penta TWD1630P
-   Volvo Penta TWD1630V
-   Volvo Penta TID162AG
-   Volvo Penta TID162AGP
-   Volvo Penta TID162AP
-   Volvo Penta TID162APB

-   **Engine Family:** TWD, TID

## ⚙️ Key Features

-   1.997 kg
-   8 applications across TWD and TID series engines
-   Supersedes 865531
-   Cooling System group
-   Also supersedes Volvo part numbers 862028 and 864231

## 🔌 Function

Joins two sections of the coolant circuit, carrying coolant between them across a sealed, located junction.

## ⚠️ Common Signs of Failure

-   Coolant weep or dried crust at either connection
-   Coolant loss that only shows once the system is hot and pressurised
-   Pipe corroded, pitted or thinned where it has been sitting wet
-   Sealing rings found hard, flattened or split on removal
-   A bright chafe line where the pipe has rubbed against a bracket

## 🛠️ Service Notes

-   Renew the sealing rings at both ends and pressure test the system after fitting
-   Fit the pipe loosely at both ends before tightening either, so the run is not pulled into strain

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   866159 → Supersedes 865531 → Supersedes 864334

### OEM / Related Numbers

-   865531 earlier number superseded by this part
-   864334 referenced in the part notes

## 📦 Condition

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

## Details

- **Price:** 1000.43 AUD
- **Vendor:** Volvo Penta
- **Type:** Hoses & Pipes
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1000.43 AUD | In stock |

## Images

- 866159 Connecting Pipe | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/866159-connecting-pipe-genuine-volvo-penta)
> Updated: 2026-09-21