# 20459147 Bearing | Genuine Volvo Penta Part

## 🔧 Product Description

A genuine Volvo Penta bearing used in the crankshaft, bearing and pulley assembly. It is supplied as an individual service component under part number 20459147 and is intended to restore the original fit, alignment, sealing, support or operating function of the specified assembly. This listing supplies the named part only; adjoining components shown in an parts list for your engine are serviced separately unless explicitly stated.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TD420VE
-   Volvo Penta TAD620VE
-   Volvo Penta TAD420VE

-   **Engine Family:** TD, TAD

## ⚙️ Key Features

-   0.25 mm undersize, marked U.S=0.25mm
-   0.109 kg
-   Listed for 3 fitments across the TD and TAD series
-   Quantity varies by assembly, most commonly four

## 🔌 Function

Supports and locates the associated rotating component while reducing friction and wear.

## ⚠️ Common Signs of Failure

-   Rumbling, knocking or roughness develops at the supported rotating assembly
-   Excessive radial or axial movement is measured
-   Heat, vibration or metal debris increases at the bearing location
-   The bearing surface is scored, pitted, wiped or discoloured
-   The supported shaft, hub or crankshaft no longer maintains correct alignment

## 🛠️ Service Notes

-   Only fit an undersize shell to a crankshaft that has actually been reground to that size, so measure the journal first
-   Main bearing 20459140 is the standard-size listing for the same TD and TAD fitments

## 🔄 Supersession & Cross Reference

### Other-Brand OEM Numbers

-   Kolbenschmidt: 79262610
-   Mahle: 099 PL 21067 025

## 📦 Condition

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

## Details

- **Price:** 511.72 AUD
- **Vendor:** Volvo Penta
- **Type:** Bearings & Bushings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 511.72 AUD | In stock |

## Images

- 20459147 Bearing | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20459147-bearing-genuine-volvo-penta)
> Updated: 2026-09-06