21120512 Gear Housing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta DPS-A OXi Gear Housing - Part Number: 21120512

Genuine gear housing for Volvo Penta DPS-A OXi sterndrives. The housing provides the machined structure for the gear set, propeller shaft, bearings, seals, drain components and corrosion-protection anodes.

⚙️ Key Features

• Exact DPS-A OXi drive application

• Precision-machined shaft and bearing bores

• Correct internal oil passages and sealing surfaces

• Supports the factory anode arrangement

• Approximately 22.226 kg

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21120512 - Current OEM part number

OEM / Related Numbers:

• 21120512

Aftermarket / Verified Equivalents:

• No aftermarket gear housing

Associated Service Parts:

• 21141700 - Bearing carrier

• 3887005 - Magnetic drain plug

• 3888822 - Gasket kit

• 3888814 - Zinc anode

• 3888813 - Aluminium anode

• 3888815 - Magnesium anode

🚤 Compatibility

Confirmed drive family:

• DPS-A OXi

• Match drive product number, gear ratio, shaft configuration and serial number

• Rebuilding requires the correct bearing, seal, shim and anode package for the drive

🔌 Function

The housing aligns the lower-drive gears, shafts and bearings, retains gear lubricant and supports the external corrosion-protection components.

Common signs of failure:

• Cracking after impact or grounding

• Water entering the drive oil

• Corroded sealing surfaces

• Distorted bearing bores

• Persistent oil leakage

• Abnormal gear noise

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging