# 20566178 Retainer | Genuine Volvo Penta Part

## 🔧 Product Description

A genuine Volvo Penta retainer used in the engine component retention assembly. It is supplied as an individual service component under part number 20566178 and is intended to restore the original fit, sealing, alignment, retention or operating function of the specified assembly. This listing supplies the named component only; adjoining parts are serviced separately.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD1180-83VE
-   Volvo Penta TAD1170-72VE
-   Volvo Penta TAD1150-52VE
-   Volvo Penta TAD1140-42VE

-   **Engine Family:** TAD

## ⚙️ Key Features

-   0.080 kg
-   Listed for 4 applications on TAD series engines
-   Engine group retainer

## 🔌 Function

Holds the associated component in its designed position.

## ⚠️ Common Signs of Failure

-   Retained component moving, rattling or working out of position
-   Retainer cracked or distorted around its fastener holes
-   Contact face fretted or worn bright
-   Fasteners repeatedly working loose at the retainer

## 🛠️ Service Notes

-   Retainer 20566180 carries the same name and the same four applications at 0.093 kg, so check the number on the part that came off

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   20565912 - Related D5/D7 Exhaust Valve
-   20566180 - Related Retainer
-   20565870 - Related Charge Air Pipe
-   20566300 - Related Heat Shield
-   20567447 - Related Plate
-   20567779 - Related Plug
-   20405503 - Earlier exhaust-valve references
-   11700352 - Earlier exhaust-valve references
-   20580074 - Valve-guide references
-   20580078 - Valve-guide references
-   20580079 - Valve-seat references
-   20580080 - Valve-seat references
-   20580082 - Valve-seat references
-   20580083 - Valve-seat references

## 📦 Condition

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

## Details

- **Price:** 62.35 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 62.35 AUD | In stock |

## Images

- 20566178 Retainer | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20566178-retainer-genuine-volvo-penta)
> Updated: 2026-09-06