# 21383522 Timing Gear Plate | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Timing Gear Plate - Part Number: 21383522

  

Genuine structural timing gear plate used on Volvo Penta D12, TAD12 and TWD12 diesel engines. The plate provides an accurately machined mounting and alignment surface for the timing gear housing, associated gear-train components and adjoining engine covers.

  

⚙️ Key Features

  

• Genuine Volvo Penta timing gear plate

• Precision-machined for correct gear-train alignment

• Supports the timing gear housing and adjoining components

• Suitable for marine propulsion, marine auxiliary and industrial engines

• Used across D12C, D12D, TAD12 and TWD12 engine families

• Structural engine component rather than a routine service item

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• Current OEM reference: 21383522

  

OEM / Related Numbers:

  

• 21383522

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D12 marine propulsion engines

• Volvo Penta D12 marine auxiliary engines

• Volvo Penta TAD12 industrial and generating-set engines

• Volvo Penta TWD12 industrial engines

  

Typically suits:

  

• TAD1240GE

• TAD1241GE

• TAD1241VE

• TAD1242GE

• TAD1242VE

• TAD1250VE

• TAD1251VE

• TAD1252VE

• TWD1240VE

• D12C-A MP

• D12D-A MH

• D12D-B MH

• D12D-C MH

• D12D-E MH

• D12D-G MH

• D12D-A MP

• D12D-B MP

• D12D-C MP

• D12D-D MP

• D12D-E MP

• D12D-F MP

• D12D-G MP

• D12D-H MP

• D12D-A MG

• D12D-E MG

  

• Engine family: Volvo Penta 12-litre inline six-cylinder diesel

  

🔌 Function

  

The timing gear plate forms a rigid reference surface for the timing gear assembly. Correct plate alignment is essential for maintaining gear mesh, cover alignment, oil sealing and the position of adjoining engine components.

  

Common signs of damage:

  

• Oil leakage at the plate or timing-housing joint

• Timing gear noise following incorrect assembly

• Distorted or damaged mounting faces

• Cracks around threaded mounting points

• Difficulty aligning the timing cover or gear housing

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 2150.74 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2150.74 AUD | In stock |

## Images

- 21383522 Timing Gear Plate | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21383522-timing-gear-plate-genuine-volvo-penta)
> Updated: 2026-08-02