3856827 Gear Housing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta gear housing from the Marine Propulsion group, weighing 3.842 kg and listed for 15 applications across the TMD, MS and MD series. It supersedes part number 873092, catalogued earlier simply as a housing.

🚤 Compatibility

Typically suits:

• Volvo Penta TMD22A
• Volvo Penta MS2B-A
• Volvo Penta MS2L-E
• Volvo Penta MS2A-D
• Volvo Penta MS2A-E
• Volvo Penta MD2010-C
• Volvo Penta MD2010-D
• Volvo Penta MD2020-C
• Volvo Penta MD2020-D
• Volvo Penta MD2030-C
• Volvo Penta MD2030-D
• Volvo Penta MD2040-C
• Volvo Penta MD2040-D
• Volvo Penta MD22
• Volvo Penta MD22A

• Engine Family: TMD, MS, MD

⚙️ Key Features

• Gear housing
• 3.842 kg
• 15 applications across the TMD, MS and MD series
• Supersedes 873092, catalogued earlier as a housing

🔌 Function

Carries and aligns the gears, shafts, bearings and seals inside it, and holds the joint faces to the units either side.

⚠️ Common Signs of Failure

• Oil weeping from a joint face or a seal bore
• Bearing bores worn, stepped or spun in the housing
• Casting cracked or corroded around the fixings
• Noise or vibration from shafts running out of line
• Fixing threads pulled or stripped

🛠️ Service Notes

• Renew all the seals, O-rings and gaskets when the housing is changed, and check the bearings before transferring them across
• Set the shims and backlash to specification after reassembly rather than reusing the old settings blind

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3856827 → Supersedes 873092 → Supersedes 852726 → Supersedes 853849

OEM / Related Numbers

• 873092 earlier number superseded by this part
• 852726 earlier number superseded by this part
• 853849 earlier number superseded by this part

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging