# 3861840 Stud | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta stud 88 mm long, from the Marine Propulsion group, weighing 68 grams and listed for 7 applications on the TSK series. The shorter 74 mm stud is catalogued separately as 3861841 for the same 7 applications, so length is what decides the order.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TSK XXP-A
-   Volvo Penta TSK XXP-ALT
-   Volvo Penta TSK XXP-D3
-   Volvo Penta TSK X-B
-   Volvo Penta TSK X-BLT
-   Volvo Penta TSK XHP-B
-   Volvo Penta TSK XHP-BLT

-   **Engine Family:** TSK

## ⚙️ Key Features

-   88 mm long
-   68 grams
-   7 applications on the TSK series
-   Longer partner to the 74 mm stud 3861841

## 🔌 Function

Provides a fixed threaded post that a component is located over and clamped down onto with a nut.

## ⚠️ Common Signs of Failure

-   Stud pulled out of its threaded boss with the nut still tight
-   Thread stretched or necked where the nut sits
-   Corrosion seizing the nut so the stud twists out on removal
-   Stud snapped flush with the casting face
-   Component sitting proud because the wrong length stud was fitted

## 🛠️ Service Notes

-   The 88 mm and 74 mm studs share the same 7 applications — measure the old stud before ordering
-   Wind the stud in to the specified depth and never rely on the nut to pull it home

## 📦 Condition

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

## Details

- **Price:** 21.84 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 21.84 AUD | In stock |

## Images

- 3861840 Stud | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3861840-stud-genuine-volvo-penta)
> Updated: 2026-10-12