# 843803 Piston | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta piston, weighing 0.045 kg and listed for 87 applications across the MD, TMD, D, TD, TWD and TID series — the same fitment list carried by the Engine Controls parts 843804, 843805 and 843806, which is the group it is supplied alongside.

## 🚤 Compatibility

-   **Engine Family:** MD, TMD, D, TD, TWD, TID, TAMD, TAD

Full model list at the end of this description.

## ⚙️ Key Features

-   0.045 kg
-   87 applications across MD, TMD, D, TD, TWD and TID
-   Shares its fitment list with control parts 843804, 843805 and 843806

## 🔌 Function

Converts pressure acting on its face into a straight-line push on the parts it works against.

## ⚠️ Common Signs of Failure

-   Sticking or sluggish movement rather than a clean stroke
-   Scored or scuffed piston flanks
-   Loss of pressure past the piston, so the unit is slow to act
-   Bore polished or stepped where the piston runs

## 🛠️ Service Notes

-   Check the bore and the bushings 843804 and 843806 while it is apart — a new piston in a scored bore will stick again
-   This part carries no group heading of its own, so quote the assembly it comes from when ordering

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TID121KG, TID121KGP, TID121KP, TID121KPB, TID121L, TID121LG, TID121LGP, TID121LP, TID121LPB, TID121FG, TID121K, TID121K-87
-   Volvo Penta TD120C, TD120A, TD120G, TD120GG PP, TD120HP, TD120HPP, TD120GG, TD120AHC, TD120ARC, TD120BHC, TD120BRC
-   Volvo Penta TD100ARC, TD100G-85, TD100A, TD100AG, TD100CHC, TD100G, TD100HP, TD100CRC
-   Volvo Penta TD121GGP-87, TD121G, TD121GG, TD121GGP, TD121GP, TD121GPB, TD121CHC, TD121CRC
-   Volvo Penta TD70CHC, TD70CRC, TD70G, TD70B
-   Volvo Penta D70CHC, D70CRC, D70B
-   Volvo Penta MD100A, MD100B, MD100B-CC
-   Volvo Penta TID120FPP, TID120FG, TID120HPP
-   Volvo Penta D100A, D100B
-   Volvo Penta TAD120AHC, TAD120BHC
-   Volvo Penta TAMD120A, TAMD120B
-   Volvo Penta TAMD122A, TAMD122A/C
-   Volvo Penta TID162AG, TID162AGP
-   Volvo Penta TMD120A, TMD120B
-   Volvo Penta D120A
-   Volvo Penta MD120A
-   Volvo Penta MD70B
-   Volvo Penta TAMD102A
-   Volvo Penta TD1010G
-   Volvo Penta TD1210G
-   Volvo Penta TD61AG
-   Volvo Penta TD610G
-   Volvo Penta TD71AG
-   Volvo Penta TD710G
-   Volvo Penta TID100K
-   Volvo Penta TID61AG
-   Volvo Penta TID71AG
-   Volvo Penta TMD100A
-   Volvo Penta TMD102A
-   Volvo Penta TMD122A
-   Volvo Penta TWD1010G
-   Volvo Penta TWD1210G
-   Volvo Penta TWD1211G
-   Volvo Penta TWD1620G
-   Volvo Penta TWD1630G
-   Volvo Penta TWD610G
-   Volvo Penta TWD710G

## Details

- **Price:** 444.27 AUD
- **Vendor:** Volvo Penta
- **Type:** Engine Components
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 444.27 AUD | In stock |

## Images

- 843803 Piston | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/843803-piston-genuine-volvo-penta)
> Updated: 2026-09-21