# 21124851 Oil Pan | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Oil Pan - Part Number: 21124851

  

A cast-aluminium marine oil sump for later GM 4.3-litre V6 installations. It forms the lower crankcase reservoir, controls oil depth around the pickup and incorporates the drain, dipstick and remote-oil-system interfaces used by the Volvo Penta marine conversion.

  

⚙️ Key Features

  

• Marine aluminium construction resists external corrosion better than an untreated automotive sump

• Internal depth and pickup clearance match the 4.3-litre marine oil-pump arrangement

• Machined rail aligns with gasket 21124852

• Provides the correct dipstick-tube and remote-oil fittings

• 2008-and-later style replacement; early and later diagrams must be checked

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21124851 (current OEM reference)

  

OEM / Related Numbers:

  

• 21124851

• MerCruiser 804912T02

  

Aftermarket / Verified Equivalents:

  

• Marine Engines 4 Less: aluminium GM 4.3L marine oil pan, 2008+ equivalent

  

Assembly / Service Components:

  

• 21124852 - oil-pan gasket

• 3857714 - oil strainer

• 3856125 - oil pump

• 3595385 - dipstick tube used by the related oil-pan arrangement

  

🚤 Compatibility

  

Commonly used on:

  

• GM-based 4.3-litre V6 Volvo Penta gasoline marine engine

  

Typically suits:

  

• Engine models:

• 4.3GL-J

• 4.3GL-JF

• 4.3GXi-J

• 4.3GXi-JF

• 4.3OSi-J

• 4.3OSi-JF

  

• HP Range: Approximately 190-225 HP depending on model

• Engine Type: GM-based 4.3-litre V6 Volvo Penta gasoline marine engine

• Year / Serial Range: Early/later oil-pan and accessory diagrams are production controlled; confirm the complete engine serial number

  

🔌 Function

  

Stores the engine-oil supply below the crankshaft, directs returning oil toward the pickup and provides a rigid sealed lower closure for the crankcase.

  

Common signs of failure:

  

• Oil leakage at the joint or fitting

• Incorrect or unstable level indication

• Restricted flow or oil backup

• Cracking, chafe or heat damage

• Abnormal oil pressure, smoke or component wear

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 1331.57 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1331.57 AUD | In stock |

## Images

- 21124851 Oil Pan | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21124851-oil-pan-genuine-volvo-penta)
> Updated: 2026-08-02