# 841622 Piston | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta piston from the Fuel System group, weighing 0.007 kg and listed for 57 applications across AQ, BB, MS, DP and SP series engines. It sits alongside float 841620 and screw 841631 on the same carburettors.

## 🚤 Compatibility

-   **Engine Family:** AQ, BB, MS, DP, SP

Full model list at the end of this description.

## ⚙️ Key Features

-   0.007 kg
-   57 applications across five engine series
-   Fuel System group
-   Listed alongside float 841620 and screw 841631

## 🔌 Function

Moves in its bore inside the carburettor to control the fuel or air being metered.

## ⚠️ Common Signs of Failure

-   Hesitation or a flat spot when the throttle is opened
-   Rough or hunting idle
-   Piston sticking or scored in its bore
-   Fuel consumption up with no other explanation

## 🛠️ Service Notes

-   Clean the bore and check the piston slides freely by hand before blaming anything else
-   Float 841620 and screw 841631 are listed on the same carburettors

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta 740B, 500A, 501A, 501B, 570A, 572A, 430A, 430B, 431A, 431B, 432A, 434A, 231LB, 275A, 280B, 285A, 290DP, 570, 500B, 500, 430
-   Volvo Penta DP-C, DP-C1, DP-D, DP-D1, DP-A, DP-A2
-   Volvo Penta AQ225D, AQ225E, AQ225C, AQ225F
-   Volvo Penta BB225A, BB225AV, BB225B, BB225C
-   Volvo Penta AQ200D, AQ200C, AQ200F
-   Volvo Penta BB260AV, BB260B, BB260C
-   Volvo Penta SP-C, SP-A2, SP-C1
-   Volvo Penta AQ231A, AQ231B
-   Volvo Penta AQ255A, AQ255B
-   Volvo Penta AQ260A, AQ260B
-   Volvo Penta MS3B, MS3C
-   Volvo Penta MS4B, MS4A
-   Volvo Penta AQ290A
-   Volvo Penta BB231A
-   Volvo Penta BB261A

## Details

- **Price:** 42.53 AUD
- **Vendor:** Volvo Penta
- **Type:** Fuel System
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 42.53 AUD | In stock |

## Images

- 841622 Piston | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/841622-piston-genuine-volvo-penta)
> Updated: 2026-09-21