# 3841058 Adjusting Washer | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta adjusting washer 2.15 mm thick, the thickest of the four sizes in this group, listed for 11 applications on D and DPI series engines and drives. Its published weight of 0.014 kg is roughly half that of the thinner 2.00 mm and 2.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D6-300A-G
-   Volvo Penta D6-340A-G
-   Volvo Penta D6-380A-G
-   Volvo Penta DPI-A
-   Volvo Penta D6-400A-G
-   Volvo Penta D6-440A-G
-   Volvo Penta D4-150A-G
-   Volvo Penta D4-230A-G
-   Volvo Penta D4-270A-G
-   Volvo Penta D4-320A-G
-   Volvo Penta D4-300A-G

-   **Engine Family:** D, DPI
-   **HP Range:** 150-440 HP

## ⚙️ Key Features

-   2.15 mm thick, the largest size in this group
-   11 applications on D and DPI installations
-   Published weight is lower than the thinner shims, so it cannot be used to identify the part
-   Companion sizes are 3841055, 3841056 and 3841057
-   2.15mm (Volvo assembly listing)

## 🔌 Function

Sets clearance or preload by filling a measured amount of axial space in the assembly.

## ⚠️ Common Signs of Failure

-   Preload too high or backlash too tight after assembly
-   Bearing running hot or noisy shortly after a rebuild
-   Shim faces galled, picked up or bedded in
-   Contact pattern showing the gears were sitting out of position

## 🛠️ Service Notes

-   Choose the size from measurement, not from the published weights, which are inconsistent across the set
-   Recheck backlash and preload after tightening to specification, before the assembly is closed up

## 📦 Condition

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

## Details

- **Price:** 69.49 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 69.49 AUD | In stock |

## Images

- 3841058 Adjusting Washer | Genuine Volvo Penta Part
- 3841058 Adjusting Washer | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3841058-adjusting-washer-genuine-volvo-penta)
> Updated: 2026-09-19