# 20515652 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

This genuine Volvo Penta plug is an OEM service component used in the Fuel-System / Cylinder-Head Closure Plug. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta 7-litre TAD7 generator diesel application. Technical identification: Injector-gallery or cylinder-head fuel-system closure plug. In service, it transfers diesel fuel between the matched pump, filter, governor or injector connections while maintaining the specified routing, internal flow area and leak-free sealing. Selection must be confirmed by OEM part number 20515652, the exact model/product number, serial number and installed assembly configuration.

## 🚤 Compatibility

-   **Engine Family:** D, TAD

Full model list at the end of this description.

## ⚙️ Key Features

-   OEM part number 20515652
-   Technical distinction: Injector-gallery or cylinder-head fuel-system closure plug
-   Quantity varies by assembly, most commonly four

## 🔌 Function

Closes a machined drilling in the cylinder head or injector fuel gallery, sealing the passage so fuel stays inside the circuit.

## ⚠️ Common Signs of Failure

-   Diesel weeping from the head at the plug position
-   Diesel found in the rocker cover, or oil dilution on the dipstick
-   Falling fuel pressure and hard starting
-   Damaged sealing face or a stripped thread found on removal

## 🛠️ Service Notes

-   Renew the sealing washer with the plug
-   Check the seat in the head for pick-up before fitting a new plug

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D7A-B TA, D7C-B TA
-   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 D5A-B TA
-   Volvo Penta TAD532GE EDC4
-   Volvo Penta TAD732GE EDC4
-   Volvo Penta TAD733GE EDC4

## Details

- **Price:** 1.67 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1.67 AUD | In stock |

## Images

- 20515652 Plug | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20515652-plug-genuine-volvo-penta)
> Updated: 2026-10-09