# 861582 Gasket | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta cooling system gasket listed for 3 applications across TMD and MD series engines. It supersedes part number 859864, which was catalogued earlier as a thermostat housing — so if your parts list quotes the old number expecting the housing itself, check what you actually need before ordering.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TMD22A
-   Volvo Penta MD22A
-   Volvo Penta MD22L

-   **Engine Family:** TMD, MD

## ⚙️ Key Features

-   3 applications across TMD and MD engines
-   Supersedes 859864, catalogued earlier as a thermostat housing
-   Cooling system joint seal

## 🔌 Function

Seals the joint at the thermostat housing against coolant leakage.

## ⚠️ Common Signs of Failure

-   Coolant weeping or dripping at the housing joint
-   Coolant level falling with staining around the housing
-   Gasket found hard, crushed or torn on removal
-   Joint that will not stop weeping after retightening

## 🛠️ Service Notes

-   The number it supersedes was listed as the housing, so confirm whether you need the gasket alone or the housing as well
-   Clean both faces, check the housing for distortion and corrosion, and refill and pressure-test after fitting

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   861582 → Supersedes 859864 → Supersedes 859781

### OEM / Related Numbers

-   859864 earlier number superseded by this part
-   859781 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 8.12 AUD
- **Vendor:** Volvo Penta
- **Type:** Gaskets & Seals
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8.12 AUD | In stock |

## Images

- 861582 Gasket | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/861582-gasket-genuine-volvo-penta)
> Updated: 2026-09-06