# 850471 Washer | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta washer from the Marine Propulsion group, weighing 0.052 kg and listed for 127 applications across the AQ, MD, TMD, AD, AQAD and D series.

## 🚤 Compatibility

-   **Engine Family:** AQ, MD, TMD, AD, AQAD, D, BB, TAMD, MS, B, DP, SP, DPX, AQD, MB

Full model list at the end of this description.

## ⚙️ Key Features

-   0.052 kg
-   127 applications across six engine series

## 🔌 Function

Spreads the clamping load of the fastener it sits under and gives the assembly a true bearing face.

## ⚠️ Common Signs of Failure

-   Fastener that will not stay tight
-   Fretting marks or bright rings around the seat
-   Washer dished, cupped or cracked
-   Face scored where a component has turned against it
-   Corrosion pitting under the washer

## 🛠️ Service Notes

-   Axle shaft 850275 and retaining ring 850433 share the same 127 application listing and are the usual companions in this assembly
-   Fit a new washer whenever the joint is disturbed, as a dished washer loses clamp load immediately

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta 100S, 110S, 740B, 500A, 501A, 501B, 570A, 572A, 740A, 430A, 430B, 431A, 431B, 432A, 434A, 280B, 290A, 290DP, 570, 500B, 500, 430
-   Volvo Penta DP-C, DP-C1, DP-D, DP-D1, DP-A, DP-A1, DP-A2, DP-B, DP-B1
-   Volvo Penta AD31, AD31B, AD31D, AD31D-A, AD31XD
-   Volvo Penta AD41P-B, AD41B, AD41, AD41A, AD41BJ
-   Volvo Penta SP-C, SP-A2, SP-C1, SP-A, SP-A1
-   Volvo Penta AQ130C, AQ130D, AQ130A, AQ130B
-   Volvo Penta BB225A, BB225AV, BB225B, BB225C
-   Volvo Penta TAMD31M, TAMD31A, TAMD31B, TAMD31D
-   Volvo Penta AQ170B, AQ170C, AQ170A
-   Volvo Penta AQ225D, AQ225E, AQ225F
-   Volvo Penta BB115A, BB115B, BB115C
-   Volvo Penta BB170B, BB170C, BB170A
-   Volvo Penta BB260AV, BB260B, BB260C
-   Volvo Penta MB20A, MB20B, MB20C
-   Volvo Penta TAMD41B, TAMD41M-A, TAMD41A
-   Volvo Penta TMD31A, TMD31B, TMD31D
-   Volvo Penta TMD40A, TMD40B, TMD40C
-   Volvo Penta AQ115A, AQ115B
-   Volvo Penta AQ260A, AQ260B
-   Volvo Penta AQAD40B, AQAD40A
-   Volvo Penta AQD21A, AQD21B
-   Volvo Penta D41, D41B
-   Volvo Penta MD21B, MD21A
-   Volvo Penta MS3B, MS3C
-   Volvo Penta MS4B, MS4A
-   Volvo Penta MS5A, MS5B
-   Volvo Penta TAMD40A, TAMD40B
-   Volvo Penta TMD41A, TMD41B
-   Volvo Penta AD40B
-   Volvo Penta AQ120B
-   Volvo Penta AQ125A
-   Volvo Penta AQ140A
-   Volvo Penta AQ145A
-   Volvo Penta AQ165A
-   Volvo Penta AQD40A
-   Volvo Penta B20
-   Volvo Penta BB140A
-   Volvo Penta BB145A
-   Volvo Penta BB165A
-   Volvo Penta BB231A
-   Volvo Penta BB261A
-   Volvo Penta BB740A
-   Volvo Penta DPX
-   Volvo Penta MD30A
-   Volvo Penta MD31A
-   Volvo Penta MD40A
-   Volvo Penta TAMD30A
-   Volvo Penta TMD30A

## Details

- **Price:** 20.36 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 20.36 AUD | In stock |

## Images

- 850471 Washer | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/850471-washer-genuine-volvo-penta)
> Updated: 2026-09-19