# 3840475 Adjusting Washer | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta adjusting washer 2.90 mm thick, from the Marine Propulsion group, weighing 27 grams and listed for 35 applications across IPS and D families. It supersedes part number 3593895. It sits between the 2.85 mm washer 3840474 and the 3.00 mm washer 3840476, and it shares its published weight with the 3.05 mm washer 3840477, so thickness is the only reliable ordering detail.

## 🚤 Compatibility

-   **Engine Family:** IPS, D

Full model list at the end of this description.

## ⚙️ Key Features

-   2.90 mm thick
-   27 grams
-   35 applications across IPS and D families
-   Supersedes 3593895
-   Same published weight as the 3.05 mm washer 3840477

## 🔌 Function

Shims the assembly to its specified clearance or preload during setting up.

## ⚠️ Common Signs of Failure

-   Clearance out of specification, giving noise or roughness
-   Play or, if too thick, binding and localised heat
-   Fretting or dishing on the washer faces
-   Uneven bearing wear when the assembly is opened up

## 🛠️ Service Notes

-   Set the shim by measurement during assembly, not by copying the washer that came out
-   Weight does not separate this family - 3840477 weighs the same, so order by the 2.90 mm thickness
-   Inspect the mating faces for wear that would falsify your measurement

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3840475 → Supersedes 3593895

### OEM / Related Numbers

-   3593895 earlier number superseded by this part

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D13C2-B MP, D13C2-A MP, D13C4-A MP, D13B-L MP, D13B-G MP, D13B-K MP, D13B-C MP, D13C6-A MP, D13C4-B MP, D13C5-B MP, D13C5-A MP, D13C7-B MP, D13C8-B MP
-   Volvo Penta D11C2-A MP, D11C4-A MP, D11B4-A MP, D11B2-A MP, D11A-C MP, D11A-D MP, D11A-E MP
-   Volvo Penta D8A2-A MP, D8A4-A MP, D8A8-A MP
-   Volvo Penta IPS15-C, IPS15-B, IPS15-A
-   Volvo Penta IPS2-C, IPS2-A, IPS2-B
-   Volvo Penta IPS20-D, IPS20-E
-   Volvo Penta IPS3-C, IPS3-A
-   Volvo Penta IPS30-E, IPS30-D

## Details

- **Price:** 74.04 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 74.04 AUD | In stock |

## Images

- 3840475 Adjusting Washer | Genuine Volvo Penta Part
- 3840475 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/3840475-adjusting-washer-genuine-volvo-penta)
> Updated: 2026-09-19