# 20729259 Oil Cooler | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Oil Cooler - Part Number: 20729259

  

A genuine Volvo Penta engine-oil cooler for D9A2A lubrication systems. The cooler transfers heat from the lubricating oil to the engine coolant, helping maintain stable oil temperature, viscosity and bearing protection under sustained load.

  

⚙️ Key Features

  

• Genuine Volvo Penta plate-type engine-oil cooler

• Direct application for the D9A2A lubrication system

• Controls lubricating-oil temperature under heavy-duty operation

• Uses dedicated cooler seals and mounting screws in the assembly

• Exact fitment must be confirmed against the engine serial number

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20729259 (current OEM reference)

  

OEM / Related Numbers:

  

• 20729259

• 8170816

• 8148017

• 21160743

• 7421160743

  

Aftermarket / Verified Equivalents:

  

• D.TEC: 04.0816

• ATP: OC-16

• MAHLE: CLC 214 000P

• FRIGAIR: 0711.4009

• Febi Bilstein: 107652

• Autogamma: 107802

• DT Spare Parts: 2.11473

• AKS DASIS: 286007N / 286007X

• NRF: 31198 / 31244

• JDEUS: 431M08

• FISPA: 5.1108

• Valeo: 811805

• AHE: 832.020

• Nissens: 90763

• TitanX: OX129001

• AVA Cooling Systems: VL3072

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D9 marine and industrial engine lubrication systems

  

Typically suits:

  

• Engine models:

• D9A2A

  

• HP Range: Not a primary selection criterion; confirm by engine model and serial number

• Engine Type: D9-series inline-six turbocharged diesel engine

• Year / Serial Range: Production period varies by model; exact applicability is controlled by the complete engine product number and serial number

  

🔌 Function

  

Removes excess heat from the engine oil so the lubricant retains the viscosity and film strength required for bearings, pistons, turbocharger lubrication and other loaded components.

  

Common signs of failure:

  

• Engine oil temperature runs above normal

• Coolant contamination in the engine oil

• Oil contamination in the cooling system

• External oil or coolant leakage at the cooler or seals

• Low oil pressure or accelerated bearing wear following oil overheating

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 1713.27 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1713.27 AUD | In stock |

## Images

- 20729259 Oil Cooler | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20729259-oil-cooler-genuine-volvo-penta)
> Updated: 2026-08-01