# 851221 Fitting | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta fitting from the Marine Propulsion group, weighing 0.029 kg and listed for 11 applications across the AQ, AQAD and AQD series. It is a later build variant, so check the part number against your parts list before ordering.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta AQ225D
-   Volvo Penta AQAD40B
-   Volvo Penta AQ175A
-   Volvo Penta AQ200D
-   Volvo Penta AQ260A
-   Volvo Penta AQAD30A
-   Volvo Penta AQAD40A
-   Volvo Penta AQD40A
-   Volvo Penta AQ145A
-   Volvo Penta AQ290A
-   Volvo Penta AQ140A

-   **Engine Family:** AQ, AQAD, AQD
-   **Serial Range:** MO892101-

## ⚙️ Key Features

-   0.029 kg
-   11 applications across three engine series
-   Later build variant
-   2 used per assembly

## 🔌 Function

Makes the connection between two parts of the circuit, providing the threaded or spigoted joint they meet at.

## ⚠️ Common Signs of Failure

-   Weep or drip at the connection
-   Corrosion or salt crust around the fitting
-   Threads damaged, cross-cut or seized
-   Fitting cracked at a shoulder or bend
-   Joint that will not seal however hard it is tightened

## 🛠️ Service Notes

-   This number covers the later build variant of the fitting, so match the number rather than the appearance
-   Hose couplings 850906 and 850907 and screw 850904 are listed for the same 11 application set

## 📦 Condition

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

## Details

- **Price:** 145.71 AUD
- **Vendor:** Volvo Penta
- **Type:** Hoses & Pipes
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 145.71 AUD | In stock |

## Images

- 851221 Fitting | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/851221-fitting-genuine-volvo-penta)
> Updated: 2026-10-21