# 20430678 Rubber Moulding | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Water Pump Housing Rubber Moulding - Part Number: 20430678

  

Genuine Volvo Penta moulded rubber seal used in the D9 coolant-pump housing and connection assembly. It seals and cushions the pump or housing interface in the circulation system.

  

⚙️ Key Features

  

• Moulded coolant-resistant rubber component

• Confirmed in D9A cooling-system assemblies

• Used with circulation pump 3808728 and housing 3808593

• Accommodates movement and manufacturing tolerance

• Replace whenever hardened, distorted or removed

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20430678 - current Volvo Penta rubber-moulding reference

  

OEM / Related Numbers:

  

• 3808728 - related circulation pump

• 3808593 - related pump housing

• 836011 - related Volvo reference reported in interchange catalogues

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D9 coolant-pump and housing systems

  

Typically suits:

  

• Engine / equipment models:

• TAD940GE

• TAD941GE

• TAD942VE

• TAD943VE

• TAD950VE

• TAD951VE

• TAD952VE

  

• Engine Type: Volvo Penta 9-litre industrial diesel

• Year / Serial Range: Pump-housing and engine serial-number dependent

  

🔌 Function

  

Seals or cushions the coolant-pump housing connection so pressure is retained without vibration damage.

  

Common signs of failure:

  

• Coolant leakage from the housing

• Rubber hardening or splitting

• Pump movement or vibration

• Air entering the cooling system

• Leak recurring after pump replacement

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 35.13 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 35.13 AUD | In stock |

## Images

- 20430678 Rubber Moulding | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20430678-rubber-moulding-genuine-volvo-penta)
> Updated: 2026-07-30