# 859155 Cylinder Head Gasket | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta cylinder head gasket from the Engine group, weighing 0.181 kg and listed for 10 applications spanning six engine series: MD, TMD, AQAD, AQD, TD and TAMD. It supersedes part number 858503, which appears in the older lists under its Swedish name, packning/cyl huvud.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta MD40A
-   Volvo Penta TMD40A
-   Volvo Penta TMD40B
-   Volvo Penta TMD40C
-   Volvo Penta AQAD40B
-   Volvo Penta AQAD40A
-   Volvo Penta AQD40A
-   Volvo Penta TD40A
-   Volvo Penta TAMD40A
-   Volvo Penta TAMD40B

-   **Engine Family:** MD, TMD, AQAD, AQD, TD, TAMD

## ⚙️ Key Features

-   Supersedes 858503, listed earlier under the Swedish name packning/cyl huvud
-   0.181 kg
-   10 applications across the MD, TMD, AQAD, AQD, TD and TAMD series
-   Cylinder head gasket, Engine group

## 🔌 Function

Seals the cylinder head to the block, holding combustion pressure in each bore and keeping the coolant and oil galleries separate.

## ⚠️ Common Signs of Failure

-   White steam from the exhaust that does not clear once warm
-   Mayonnaise-like emulsion on the dipstick or filler cap
-   Bubbles or exhaust smell in the header tank and coolant pushed out
-   Overheating that comes on quickly under load
-   Compression lost between two adjacent cylinders

## 🛠️ Service Notes

-   Have the head checked for flatness and cracks and the block face inspected before fitting
-   Follow the tightening sequence and torque or angle figures for your engine and renew stretch-type head bolts
-   Find and fix the cause of any overheating before running the engine up

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   859155 → Supersedes 858503 → Supersedes 1545024 → Supersedes 1542335

### OEM / Related Numbers

-   858503 earlier number superseded by this part
-   1542335 earlier number superseded by this part
-   1542405 earlier number superseded by this part
-   844530 earlier number superseded by this part
-   875650 earlier number superseded by this part
-   1545024 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 290.01 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 290.01 AUD | In stock |

## Images

- 859155 Cylinder Head Gasket | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/859155-cylinder-head-gasket-genuine-volvo-penta)
> Updated: 2026-08-22