# 3887861 Coolant Pipe | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta coolant pipe from the Cooling System group, weighing 0.340 kg and listed for 11 applications across the D series engines. It supersedes part number 21132693.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D11B3-A MP
-   Volvo Penta D11B4-A MP
-   Volvo Penta D11A-A
-   Volvo Penta D11A-B
-   Volvo Penta D11A-C
-   Volvo Penta D11A-E
-   Volvo Penta D11B2-A MP
-   Volvo Penta D11A-C MP
-   Volvo Penta D11A-D MP
-   Volvo Penta D11A-E MP
-   Volvo Penta D11B1-A MP

-   **Engine Family:** D

## ⚙️ Key Features

-   0.340 kg
-   Supersedes 21132693
-   11 applications across the D series
-   Cooling System group

## 🔌 Function

Carries coolant along a fixed route between components, holding the shape and the connection points that flexible hose cannot.

## ⚠️ Common Signs of Failure

-   Coolant weeping or crusting at a joint or seam
-   Pinholes or corrosion pitting along the pipe
-   Sealing faces or hose stubs scored or corroded
-   Pipe knocked out of shape so the hoses will not line up
-   Coolant level dropping with no obvious external leak

## 🛠️ Service Notes

-   Renew the seals or O-rings where the pipe joins, and clean the stubs back to bare metal so the hoses seal
-   Pressure test the system after fitting and check the joints again once the engine has been hot

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3887861 → Supersedes 21132693

### OEM / Related Numbers

-   21132693 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 481.73 AUD
- **Vendor:** Volvo Penta
- **Type:** Hoses & Pipes
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 481.73 AUD | In stock |

## Images

- 3887861 Coolant Pipe | Genuine Volvo Penta Part
- 3887861 Coolant Pipe | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3887861-coolant-pipe-genuine-volvo-penta)
> Updated: 2026-09-22