# 270138 Big End Bearing Kit | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta big end bearing kit, 0.50 mm undersize, from the Engine group, weighing 0.236 kg and listed for 16 AQ series engine applications.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta AQ125B
-   Volvo Penta AQ131A
-   Volvo Penta AQ131B
-   Volvo Penta AQ131C
-   Volvo Penta AQ131D
-   Volvo Penta AQ151A
-   Volvo Penta AQ151B
-   Volvo Penta AQ151C
-   Volvo Penta AQ171A
-   Volvo Penta AQ171C
-   Volvo Penta AQ145B
-   Volvo Penta 230A
-   Volvo Penta 230B
-   Volvo Penta 250A
-   Volvo Penta 250B
-   Volvo Penta 251A

-   **Engine Family:** AQ

## ⚙️ Key Features

-   0.50 mm undersize
-   0.236 kg
-   16 AQ series engine applications
-   0.50mm (Volvo assembly listing)

## 🔌 Function

Provides the bearing shells carrying the connecting rod on a crankshaft journal reground 0.50 mm undersize.

## ⚠️ Common Signs of Failure

-   Bottom-end knock
-   Oil pressure falling when hot
-   Overlay worn to the backing
-   Debris in the oil
-   Journal out of round

## 🛠️ Service Notes

-   Measure the journals before selecting the grade

## 📦 Condition

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

## Details

- **Price:** 382.04 AUD
- **Vendor:** Volvo Penta
- **Type:** Service & Repair Kits
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 382.04 AUD | In stock |

## Images

- 270138 Big End Bearing Kit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/270138-big-end-bearing-kit-genuine-volvo-penta)
> Updated: 2026-10-10