# 23573157 Main Bearing Kit | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta D8 0.75mm Undersize Main Bearing Shell Kit - All Seven Journal Positions - Part Number: 23573157 A genuine Volvo Penta O.S. 0.75mm crankshaft main-bearing shell pair for D8 engines using the common-bearing architecture at all seven main journals. One kit services one main-bearing journal. Seven identical kits are required to renew all seven journals in a complete six-cylinder engine.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD880-82GE
-   Volvo Penta D8A5-A MH
-   Volvo Penta D8A6-A MH
-   Volvo Penta D8A5-A MG
-   Volvo Penta D8A6-A MG
-   Volvo Penta TAD580-83VE
-   Volvo Penta TADH880-82GE

-   **Engine Family:** TAD, D, TADH

## ⚙️ Key Features

-   Correct Volvo Penta part number 23573157
-   Bearing grade: O.S. 0.75mm
-   Suitable for positions 1-7 only where the all-position crankshaft design is specified
-   Seven kits required for a complete engine

## 📋 Kit Contents

-   Upper main-bearing shell - supplied under kit number 23573157 - quantity 1
-   Lower main-bearing shell - supplied under kit number 23573157 - quantity 1
-   Complete seven-journal engine requires quantity 7 of this kit

## 🔌 Function

The shell pair supports one crankshaft main journal on a pressurised hydrodynamic oil film and maintains the specified journal running clearance.

## ⚠️ Common Signs of Failure

-   Deep crankshaft knock or rumble
-   Copper, lead or bearing material found in the oil
-   Bearing shells scored, wiped or heat-discoloured
-   Incorrect undersize installed without measuring the crankshaft journal

## 🛠️ Service Notes

-   Machining grade: O.S. 0.75mm.
-   This family uses the same bearing kit at positions 1-7.
-   Do not substitute the split-position 23573146-23573159 bearing family.
-   Measure every crankshaft journal and housing bore before selecting standard or undersize shells.

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   23573157 → Supersedes 22627436

### OEM / Related Numbers

-   22627437 earlier number superseded by this part
-   22627436 related reference
-   23573145 standard-size all-position kit
-   23573148 0.07mm undersize all-position kit
-   23573151 0.25mm undersize all-position kit
-   23573154 0.50mm undersize all-position kit
-   21908099 standard thrust-washer grades
-   21908101 standard thrust-washer grades
-   21939706 oversize thrust-washer grades
-   21939708 oversize thrust-washer grades
-   22937567 related crankshaft references depending on engine revision
-   22074323 related crankshaft references depending on engine revision

## 📦 Condition

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

## Details

- **Price:** 78.43 AUD
- **Vendor:** Volvo Penta
- **Type:** Service & Repair Kits
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 78.43 AUD | In stock |

## Images

- 23573157 Main Bearing Kit | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/23573157-main-bearing-kit-genuine-volvo-penta)
> Updated: 2026-09-06