# 21622717 Rotary Switch | Genuine Volvo Penta Part

## 🔧 Product Description

A manually operated rotary switch used in the starting and electrical isolation system of Volvo Penta fixed-engine generating-set installations. Listed in parts schematics for Volvo Penta D13B and D16C engine variants, including genset configurations.

## 🚤 Compatibility

-   **Engine Family:** D

Full model list at the end of this description.

## ⚙️ Key Features

-   Starting-system rotary switch
-   Heavy-duty electrical contacts
-   Designed for engine-room control panels
-   Used with D13B-E MG starting-system bracket 21612817
-   Positive detent switching positions

## 🔌 Function

The switch manually selects or isolates the starting-system electrical circuit and provides a controlled operator input.

## ⚠️ Common Signs of Failure

-   Starter or control circuit not responding
-   Intermittent electrical contact
-   Switch difficult to rotate
-   Burnt or loose terminals
-   Switch not remaining in the selected position

## 🛠️ Service Notes

-   Used together with starting-system bracket 21612817 on D13B-E generator-set panels — if the bracket is also damaged, order both together rather than the switch alone
-   This switch covers a broad range of D13B/D13C/D16C generator-set build suffixes (E, F, MG, MH and others) — confirm the exact engine and panel build before ordering

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   21612817 - Mounting bracket
-   3886990 - Wiring harness
-   3886793 - Junction box
-   3588154 - Related Volvo Penta emergency and switch references
-   3588180 - Related Volvo Penta emergency and switch references
-   3589458 - Related Volvo Penta emergency and switch references
-   21640262 - Related Volvo Penta emergency and switch references

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D13C3-B MH, D13C1-B MH, D13C4-B MH, D13B-E MG, D13B-E MG (FE), D13B-E MH, D13B-E MH (FE), D13B-F MG, D13B-F MG (FE), D13B-N MH, D13B-N MH (FE), D13C4-B MP, D13C5-B MP, D13C1-A MH, D13C2-A MH, D13C1-B MG, D13C3-B MG, D13C2-B MG, D13C4-B MG, D13C2-A MG, D13C1-A MG, D13C8-B MP
-   Volvo Penta D16C1-E MG, D16C1-F MG, D16C2-E MG, D16C2-F MG

## Details

- **Price:** 1291.49 AUD
- **Vendor:** Volvo Penta
- **Type:** Starters & Starting
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1291.49 AUD | In stock |

## Images

- 21622717 Rotary Switch | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21622717-rotary-switch-genuine-volvo-penta)
> Updated: 2026-10-08