# 866670 Radiator Stay | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta radiator stay from the Cooling System group, weighing 0.904 kg and listed for 33 applications across TWD, TID and TD series engines. It supersedes 848898. Radiator stay 866671 is the other stay listed here and covers a single TWD application, so this is the wider-fitting of the two.

## 🚤 Compatibility

-   **Engine Family:** TWD, TID, TD

Full model list at the end of this description.

## ⚙️ Key Features

-   0.904 kg
-   Listed for 33 applications across three engine series
-   Supersedes 848898
-   Cooling System group

## 🔌 Function

Braces the radiator against the engine or frame so it cannot move on its mountings.

## ⚠️ Common Signs of Failure

-   Radiator rocking or shifting on its mountings
-   Cracks at the stay's bolt holes or at a bend
-   Elongated holes and fasteners that will not stay tight
-   Radiator seams or hose necks cracking from unrestrained movement

## 🛠️ Service Notes

-   Check the radiator mounts and rubber cushions at the same time - a broken stay usually means the mounts have been letting it move
-   Spacer 866856 is the part listed for installations where rubber cushions are not used for the radiator

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   866670 → Supersedes 848898

### OEM / Related Numbers

-   848898 earlier number superseded by this part

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TD61A, TD61ACE, TD61AG, TD61AGP, TD61AP, TD61APB, TD61AW
-   Volvo Penta TD71A, TD71ACE, TD71AG, TD71AGP, TD71AP, TD71APB, TD71AW
-   Volvo Penta TID71AG, TID71AGP, TID71AP, TID71APB
-   Volvo Penta TWD610G, TWD610P, TWD610PB, TWD610V
-   Volvo Penta TWD710P, TWD710PB, TWD710V
-   Volvo Penta TD610G, TD610V
-   Volvo Penta TID61AG, TID61AGP
-   Volvo Penta TD640VE
-   Volvo Penta TD710G
-   Volvo Penta TWD630VE
-   Volvo Penta TWD731VE

## Details

- **Price:** 381.52 AUD
- **Vendor:** Volvo Penta
- **Type:** Brackets & Mounts
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 381.52 AUD | In stock |

## Images

- 866670 Radiator Stay | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/866670-radiator-stay-genuine-volvo-penta)
> Updated: 2026-10-10