# 20713943 Adapter | Genuine Volvo Penta Part

## 🔧 Product Description

A genuine adapter used in a Volvo Penta D12 front-engine or auxiliary installation. It provides the machined interface between components whose mounting patterns or connection geometry differ.

## ⚙️ Key Features

-   Exact mounting geometry for the assigned D12 front-engine position
-   Maintains component alignment under heat and vibration
-   Designed for the documented adapter/cover hardware arrangement
-   Use the specified torque and thread treatment
-   Serial-specific parts list for your engine must confirm the exact position
-   Supplied as the named component only

## 🔌 Function

Provides the specified mechanical interface and alignment between the adjoining D12 components.

## ⚠️ Common Signs of Failure

-   The component is cracked, worn, corroded or damaged
-   The joint loosens or develops movement
-   Threads or mounting surfaces are damaged
-   The adjoining components no longer align
-   Replacement is required after removal if secure reuse cannot be confirmed

## 🛠️ Service Notes

-   Check the adapter against both of the parts it has to join before fitting — adapters are specific to an engine and its variant, and one that is close but not correct will not seat or seal properly
-   Clean and inspect both mating faces or connector ends; grit, old sealant or corrosion on one side is the usual reason an adapted joint leaks or works intermittently
-   Renew any O-ring, gasket or sealing washer belonging to the joint rather than reusing the old one, and lubricate rubber seals lightly so they slide into place instead of rolling or nipping
-   Tighten threaded adapters to the figure given in the workshop manual for that connection; many go into aluminium or onto a soft seat and will distort if pulled up hard
-   Where the adapter is a workshop tool, check it for thread wear and damage before use and never modify it to make something fit

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   20713791 - Related D12 timing-gear cover
-   20713944 - Related cross-recessed retaining screw

## 📦 Condition

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

## Details

- **Price:** 774.72 AUD
- **Vendor:** Volvo Penta
- **Type:** Engine Components
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 774.72 AUD | In stock |

## Images

- 20713943 Adapter | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20713943-adapter-genuine-volvo-penta)
> Updated: 2026-10-09