# 20412291 Coolant Pipe | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta coolant pipe used in both TD520GE and TD720GE radiator packages. On the TD520GE it is paired with pipe 20405657; on the TD720GE it connects to pipe 20412292.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TD720GE
-   Volvo Penta TD720VE PP
-   Volvo Penta TD520GE
-   Volvo Penta TD520VE

-   **Engine Family:** TD

## ⚙️ Key Features

-   Factory-formed radiator coolant pipe
-   Confirmed on TD520GE and TD720GE
-   Used with sealing ring 20412319
-   Secured and routed with the specified hose clamps and cable ties
-   Companion pipe differs according to engine model
-   Engine type: Volvo Penta 5- and 7-litre industrial diesel

## 🔌 Function

Routes coolant between the engine and radiator in the applicable cooling-package arrangement.

## ⚠️ Common Signs of Failure

-   Pipe chafing or vibration cracking
-   Hose joint movement

## 🛠️ Service Notes

-   Clean both flanges or spigots and check the sealing lands for pitting and corrosion; renew every O-ring, seal or gasket at the joint rather than reusing one that has taken a set
-   Lubricate coolant-side O-rings with coolant or a rubber-safe lubricant — petroleum oil and grease swell and soften the rubber and end up in the coolant
-   Offer the pipe up and align both ends before pulling any fastener tight, so the joints are not held together by strain from a misaligned pipe or an over-stretched hose
-   Check the bore is clear of scale, sealant and debris before fitting, and inspect the pipe for internal corrosion or thinning if the old one was leaking
-   Refill with the coolant type and mix specified for your engine, bleed the system through, then check the joints again with the engine hot and up to pressure

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20412291 → Supersedes 20405660

### OEM / Related Numbers

-   20405660 earlier number superseded by this part
-   20405657 - TD520GE companion pipe
-   20412292 - TD720GE companion pipe
-   20412319 - sealing ring
-   943480 - hose clamps
-   948211 - cable ties

## 📦 Condition

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

## Details

- **Price:** 504.92 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 504.92 AUD | In stock |

## Images

- 20412291 Coolant Pipe | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20412291-coolant-pipe-genuine-volvo-penta)
> Updated: 2026-08-22