# 326596 Fitting Nut | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta fitting nut weighing 0.022 kg and listed for 35 applications across D, TD, TWD and TID series engines.

## 🚤 Compatibility

-   **Engine Family:** D, TD, TWD, TID

Full model list at the end of this description.

## ⚙️ Key Features

-   0.022 kg
-   35 applications across D, TD, TWD and TID series engines
-   Quantity varies by assembly, most commonly one

## 🔌 Function

Clamps a line union, drawing its sealing cone onto the seat.

## ⚠️ Common Signs of Failure

-   Seepage at the union
-   Thread damage or corrosion
-   Nut rounded from over-tightening
-   Sealing cone distorted by excessive torque

## 🛠️ Service Notes

-   Tighten to specification — over-tightening distorts the sealing cone and creates the leak you are trying to cure
-   Sleeve 326599 shares this 35-engine fitment and is likely used with it

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TID121KG, TID121KGP, TID121KP, TID121KPB, TID121L, TID121LG, TID121LGP, TID121LP, TID121LPB, TID121K, TID121K-87
-   Volvo Penta TD121G-87, TD121GGP-87, TD121G, TD121GG, TD121GGP, TD121GP, TD121GPB
-   Volvo Penta TD70CHC, TD70CRC, TD70G-83
-   Volvo Penta D70CHC, D70CRC
-   Volvo Penta TD610M, TD610V
-   Volvo Penta TD630ME, TD630VE
-   Volvo Penta TWD630ME, TWD630VE
-   Volvo Penta TD120HP
-   Volvo Penta TD30A
-   Volvo Penta TD31ACE
-   Volvo Penta TD640VE
-   Volvo Penta TID70G
-   Volvo Penta TWD1230ME

## Details

- **Price:** 4.2 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4.20 AUD | In stock |

## Images

- 326596 Fitting Nut | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/326596-fitting-nut-genuine-volvo-penta)
> Updated: 2026-09-19