# 20726089 Connector | Genuine Volvo Penta Part

## 🔧 Product Description

Insulated positive-pole connector used in the TAD16 engine electrical installation. It provides a protected high-current junction point near the charge-air and engine-mounted wiring components.

## 🚤 Compatibility

-   **Engine Family:** TAD
-   **HP Range:** Approximately 750 HP
-   **Year Range:** Approximately 2000s-2010s

Full model list at the end of this description.

## ⚙️ Key Features

-   Clearly designated positive-pole connection
-   Supports high-current cable termination and distribution
-   Insulated housing protects against accidental short circuit
-   Maintains the original cable routing and mounting position
-   Designed for engine-bay heat, vibration and contamination exposure
-   Engine type: 16.1 L six-cylinder turbocharged/aftercooled industrial diesel

## 🔌 Function

Provides a secure common positive connection for high-current engine cables while insulating the live terminal from the engine and surrounding components.

## ⚠️ Common Signs of Failure

-   No-start, slow cranking or weak charging caused by voltage drop
-   Heat discolouration, melting or burnt terminal surfaces
-   Loose cable studs or corrosion at the connection
-   Intermittent electrical power when the engine vibrates
-   Short-circuit risk from cracked or missing insulation

## 🛠️ Service Notes

-   Compare the new connector against the old one for size, form and number of ways before fitting; connectors that look alike are frequently not interchangeable
-   Renew any seal, gasket or O-ring that belongs with the connector rather than reusing the old one, and check the mating faces are clean, dry and undamaged
-   Support the connector and the line or harness running into it so the joint carries no weight or side load, and keep the original routing and clips clear of hot and moving parts
-   Push or thread the connector fully home until it seats or locks, then confirm the lock has engaged rather than assuming it has
-   Prove the joint before closing up the access — check it for leaks or for correct operation, whichever applies to that position, with the engine run up

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20726089 → Supersedes 20572787

### OEM / Related Numbers

-   20572787 earlier number superseded by this part
-   20724005 charge-air pipe in the associated engine installation

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TAD520GE, TAD520VE
-   Volvo Penta TAD530GE MECH, TAD530GE EDC4
-   Volvo Penta TAD531GE MECH, TAD531GE EDC4
-   Volvo Penta TAD720GE, TAD720VE
-   Volvo Penta TAD721GE, TAD721VE
-   Volvo Penta TAD722GE, TAD722VE
-   Volvo Penta TAD730GE MECH, TAD730GE EDC4
-   Volvo Penta TAD731GE MECH, TAD731GE EDC4
-   Volvo Penta TAD532GE EDC4
-   Volvo Penta TAD550GE
-   Volvo Penta TAD551GE
-   Volvo Penta TAD560VE
-   Volvo Penta TAD561VE
-   Volvo Penta TAD732GE EDC4
-   Volvo Penta TAD733GE EDC4
-   Volvo Penta TAD734GE
-   Volvo Penta TAD750GE
-   Volvo Penta TAD751GE

## Details

- **Price:** 91.16 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 91.16 AUD | In stock |

## Images

- 20726089 Connector | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20726089-connector-genuine-volvo-penta)
> Updated: 2026-09-06