# 20924082 Adapter Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine service component used in the engine sensor, instrument and electrical-monitoring system. It restores the original Volvo Penta fit, dimensions and operating relationship.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TD420VE
-   Volvo Penta TAD620VE
-   Volvo Penta TAD720VE
-   Volvo Penta TAD721VE
-   Volvo Penta TAD722VE
-   Volvo Penta TAD420VE
-   Volvo Penta TAD520VE

-   **Engine Family:** TD, TAD
-   **HP Range:** Approximately 320 HP
-   **Year Range:** Approximately late 1990s-2010s
-   **Serial Range:** SN01098272-

## ⚙️ Key Features

-   For engines from serial number 01098272 onwards
-   0.011 kg
-   7 applications across TD and TAD-series engines
-   Supersedes 20477258, catalogued earlier as an adapter and as a pressure gauge fitting
-   Engine sensor, instrument and monitoring system
-   Also supersedes Volvo part number 20405975

## 🔌 Function

Adapts the instrument or sender port so the gauge or sender screws in to the correct depth and seals at its face.

## ⚠️ Common Signs of Failure

-   Gauge reading wrong, erratic or reading nothing at all
-   A weep of oil, fuel or coolant at the sender
-   Sender found loose in the port
-   Thread found stripped or cross-threaded
-   Sealing face found scored, or the sealing ring hardened

## 🛠️ Service Notes

-   Order by serial number - this ring is listed for engines from serial number 01098272 onwards
-   Renew the sealing washer or O-ring and do not overtighten into an alloy port - the port strips before the adapter does
-   Supersedes 20477258

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20924082 → Supersedes 20477258 → Supersedes 20405860

### OEM / Related Numbers

-   20477258 earlier number superseded by this part
-   20405860 earlier number superseded by this part
-   20405778 oil-pressure switch
-   20943001 oil-pressure sensor/switch
-   20555385; 20450687; 21291011 related pressure-sensor references
-   20924086 coolant-temperature sensor
-   20405788 rubber sleeve
-   20513340 fuel/water temperature sensor
-   20924088 flywheel speed sensor

## 📦 Condition

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

## Details

- **Price:** 17.95 AUD
- **Vendor:** Volvo Penta
- **Type:** Instruments & Gauges
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 17.95 AUD | In stock |

## Images

- 20924082 Adapter Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20924082-adapter-ring-genuine-volvo-penta)
> Updated: 2026-09-07