# 21165591 Connection Flange | Genuine Volvo Penta Part

## 🔧 Product Description

A machined compressed-air inlet flange fitted to the pneumatic starter. It provides the sealed mounting face between the starter body and control-valve/fitting group and is retained with the specified screws and O-ring.

## 🚤 Compatibility

-   **Engine Family:** D, MD

Full model list at the end of this description.

## ⚙️ Key Features

-   Machined pneumatic-starter inlet flange
-   Maintains concentric airflow into the starter
-   Pressure-rated sealing face
-   Uses the specified O-ring and mounting screws
-   Matches the original elbow nipple and control valve
-   Engine type: D5A industrial diesel pneumatic starting system

## 🔌 Function

Forms the rigid sealed interface through which compressed air enters the starter.

## ⚠️ Common Signs of Failure

-   Air escaping from the starter inlet joint when cranking is attempted
-   Starter turning slowly or not at all despite good reservoir pressure
-   Weeping or staining around the flange face
-   Mounting screws found loose, with the flange face fretted
-   Cracked flange or a distorted, corroded sealing face found on removal

## 🛠️ Service Notes

-   Renew the O-ring and use the specified mounting screws whenever the flange is disturbed
-   Check the starter inlet face for corrosion before fitting, as a pitted face will leak against a new flange

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   3587138 - air starter
-   3829869 - control valve
-   21164611 - elbow nipple
-   948700 - O-ring

## 📦 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 D16C-A MG, D16C-A MH, D16C-B MH, D16C-C MH, D16C1-E MG, D16C1-F MG, D16C2-E MG, D16C2-F MG, D16C-D MH, D16C1-E MH, D16C1-F MH, D16C2-E MH, D16C2-F MH
-   Volvo Penta D7A-B TA, D7A-T, D7A-TA, D7C-TA
-   Volvo Penta D5A-B TA, D5A-T, D5A-TA
-   Volvo Penta D9A2A, D9A2C
-   Volvo Penta MD2010, MD2010B

## Details

- **Price:** 213.85 AUD
- **Vendor:** Volvo Penta
- **Type:** Starters & Starting
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 213.85 AUD | In stock |

## Images

- 21165591 Connection Flange | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21165591-connection-flange-genuine-volvo-penta)
> Updated: 2026-10-08