# 21475794 Support | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta D6 Engine-Cover Support - Part Number: 21475794

  

A structural support used in the protecting-cover or engine-casing assembly on selected Volvo Penta D6 marine engines.

  

⚙️ Key Features

  

• Genuine Volvo Penta engine-cover support

• Designed for D6 C-, D- and E-generation engines

• Maintains cover alignment and clearance

• Supports original decals and retaining hardware

• Resistant to engine vibration and corrosion

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21475794 (current catalogued reference)

  

OEM / Related Numbers:

  

• Related supports 21475792 and 21475793

• Associated protecting cover, brackets, nut retainers and decals

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D6 protecting-cover and engine-casing assemblies

  

Typically suits:

  

• Engine models:

• D6-280A-C / D / E

• D6-280I-C / D / E

• D6-310A-C / D / E

• D6-310D-C / D / E

• D6-310I-C / D / E

• D6-330A-C / D / E

• D6-330D-C / D / E

• D6-330I-C / D / E

• D6-370A-C / D / E

• D6-370D-A / C / D / E

• D6-370I-C / D / E

• D6-435D-C / D / E

  

• HP Range: Approximately 280 HP - 435 HP

• Engine Type: D6 inline-six turbocharged marine diesel

• Year Range: C-, D- and E-generation dependent

  

🔌 Function

  

Supports and locates the protective engine cover and adjoining mounting hardware.

  

Common signs of failure:

  

• Cover rattling

• Cracked or bent support

• Cover misalignment

• Retaining hardware repeatedly loosens

• Cover contacts engine components

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 475.29 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 475.29 AUD | In stock |

## Images

- 21475794 Support | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21475794-support-genuine-volvo-penta)
> Updated: 2026-08-03