# 21211745 Retainer | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine retainer used in the seawater-filter and connection-pipe assembly of Volvo Penta D1 and D2 small marine diesel engines. It holds the filter connection pipe in the correct position and prevents vibration loading on the seawater joints.

## 🚤 Compatibility

-   **Engine Family:** D, MS, MD
-   **HP Range:** 13-75 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   Confirmed D1/D2 seawater-filter application
-   Retains connection pipe 3888859
-   Factory retention geometry
-   Prevents pipe movement and chafing
-   Designed for wet marine cooling-system service

## 🔌 Function

The retainer supports the seawater-filter connection pipe and prevents vibration or hose load from stressing the filter and pipe joints.

## ⚠️ Common Signs of Failure

-   Seawater filter or its connection pipe moving under vibration
-   Weeping or dripping at a seawater joint
-   Hose chafing against the pipe or an adjacent component
-   Retainer found cracked, distorted or corroded when the filter is serviced

## 🛠️ Service Notes

-   Retains connection pipe 3888859, so check that pipe and its seals whenever the filter is stripped
-   Supersedes 860832

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   21211745 → Supersedes 860832

### OEM / Related Numbers

-   860832 earlier number superseded by this part
-   3888859 - Seawater-filter connection pipe; ordered separately

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta 2003, 2003R, 2003R SOLAS, 120S-B, 2003TB, 2003TB SOLAS, 120SC, 2001AG, 2001B, 2001BG, 2001D, 2003D, 2003T, 2003TR, 2002AG, 2002B, 2002BG, 2002D, 2003B, 2003B SOLAS, 2003 SOLAS, 2001, 2002, 2001R
-   Volvo Penta D2-40, D2-40B, D2-40F, D2-55, D2-55B, D2-55C, D2-55D, D2-55E, D2-55F, D2-50F, D2-75, D2-75B, D2-75C, D2-75F, D2-60F
-   Volvo Penta D1-30, D1-30B, D1-30F, D1-13, D1-13B, D1-13F, D1-20, D1-20B, D1-20F
-   Volvo Penta MD2010, MD2010B, MD2010-C, MD2010-D
-   Volvo Penta MD2020, MD2020B, MD2020-C, MD2020-D
-   Volvo Penta MD2030, MD2030B, MD2030-C, MD2030-D
-   Volvo Penta MD2040, MD2040B, MD2040-C, MD2040-D
-   Volvo Penta MS2B-A, MS2B, MS2V
-   Volvo Penta D2002AG
-   Volvo Penta D2003AG

## Details

- **Price:** 65.2 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 65.20 AUD | In stock |

## Images

- 21211745 Retainer | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21211745-retainer-genuine-volvo-penta)
> Updated: 2026-08-22