# 20754629 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

Brand-new genuine Volvo Penta threaded engine plug. The part is catalogued in product group 2520 and function group 2129 and is used to close the designated machined opening in the applicable engine assembly. As plug diameter, thread and sealing method are installation-specific, match part number 20754629 directly to the engine product and serial number.

## ⚙️ Key Features

-   Genuine Volvo Penta threaded closure
-   Factory thread, seat and material specification
-   Protects the internal passage from leakage and contamination
-   Individual plug for the designated engine location
-   Sealing washer or compound only if specified separately
-   Engine type: Volvo Penta diesel engine, installation dependent

## 🔌 Function

Closes and seals the specified drilled or machined port in the engine assembly, retaining the relevant fluid and preventing contamination.

## ⚠️ Common Signs of Failure

-   Oil, coolant or fuel seepage at the plug location
-   Damaged, stretched or crossed threads
-   Plug loosening after service
-   Missing or hardened sealing washer
-   Corrosion, cracking or contamination at the port

## 🛠️ Service Notes

-   Clean the threads and the seating face before fitting, and make sure the opening itself is clear of old sealant, swarf and corrosion
-   Renew the sealing washer or O-ring where one is fitted rather than reusing a flattened one, and only use thread sealant where the workshop manual for your engine calls for it
-   Tighten to the figure given in the workshop manual for your engine — plugs in aluminium and other soft castings strip easily, and a plug pulled up hard to cure a leak usually distorts the seat and makes it worse
-   Where the plug closes an oil, fuel or coolant passage, run the engine up to temperature afterwards and check the joint under pressure before signing the job off
-   Keep removed plugs paired with the holes they came out of during a strip-down — plugs of very similar appearance often differ in thread, reach or sealing type

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   Product group 2520 / function group 2129

### Other-Brand OEM Numbers

-   VOE20754629

## 📦 Condition

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

## Details

- **Price:** 17.45 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 17.45 AUD | In stock |

## Images

- 20754629 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20754629-plug-genuine-volvo-penta)
> Updated: 2026-10-08