# 859645 Nut | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta nut from the Engine group, weighing 0.007 kg and listed for 9 applications across the TMD, MS, TAMD and MD series. Nuts 859692 and 859741 also appear in this run on different applications, so order against the number.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TMD22A
-   Volvo Penta TMD22B
-   Volvo Penta TMD22P-C
-   Volvo Penta MS2B-A
-   Volvo Penta TAMD22P-B
-   Volvo Penta MD22
-   Volvo Penta MD22A
-   Volvo Penta MD22L
-   Volvo Penta MD22P

-   **Engine Family:** TMD, MS, TAMD, MD

## ⚙️ Key Features

-   0.007 kg
-   9 applications across the TMD, MS, TAMD and MD series
-   Engine group
-   One of three nuts in this run — 859645, 859692 and 859741

## 🔌 Function

Provides the threaded half of the fixing and holds the clamp load on its stud or screw.

## ⚠️ Common Signs of Failure

-   Nut backing off or found finger-tight on inspection
-   Flats rounded by a slipping spanner
-   Thread stripped or pulled on tightening
-   Joint leaking because the clamp load has been lost

## 🛠️ Service Notes

-   Renew rather than reuse where the nut has been run down a damaged thread
-   Spring washer 859693 is listed on the same 9 applications

## 📦 Condition

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

## Details

- **Price:** 4.62 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4.62 AUD | In stock |

## Images

- 859645 Nut | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/859645-nut-genuine-volvo-penta)
> Updated: 2026-09-19