# 856580 Crankshaft Seal | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta crankshaft seal from the Engine group, weighing 0.046 kg and listed for three applications across the BB and SHIELD groups - the same three applications carried by Engine gaskets 856608 and 856626 in this run. It is within one gram of gasket 856608, so weight identifies nothing; order by part number.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta 740A
-   Volvo Penta BB740A
-   Volvo Penta Shield for 740A

-   **Engine Family:** BB, S

## ⚙️ Key Features

-   Engine group crankshaft seal
-   0.046 kg
-   Three applications across BB and SHIELD
-   Shares its fitment with gaskets 856608 and 856626

## 🔌 Function

Seals against the rotating crankshaft to keep engine oil in and water and dirt out at the shaft exit.

## ⚠️ Common Signs of Failure

-   Oil drip or a wet film below the crankshaft nose or flywheel end
-   Oil thrown in a fan pattern around the housing
-   Oil level dropping between services
-   Seal lip found hardened, split or turned back on removal
-   A polished groove worn into the shaft where the lip rode

## 🛠️ Service Notes

-   Check the shaft for a wear groove before fitting - a new seal into an old groove leaks again straight away
-   Gaskets 856608 and 856626 share the same three applications and are worth having to hand when the cover comes off
-   Fit the seal square and to the correct depth; a cocked seal will weep from new

## 📦 Condition

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

## Details

- **Price:** 110.67 AUD
- **Vendor:** Volvo Penta
- **Type:** Gaskets & Seals
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 110.67 AUD | In stock |

## Images

- 856580 Crankshaft Seal | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/856580-crankshaft-seal-genuine-volvo-penta)
> Updated: 2026-10-20