861582 Gasket | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta cooling system gasket listed for 3 applications across TMD and MD series engines. It supersedes part number 859864, which was catalogued earlier as a thermostat housing — so if your parts list quotes the old number expecting the housing itself, check what you actually need before ordering.

🚤 Compatibility

Typically suits:

• Volvo Penta TMD22A
• Volvo Penta MD22A
• Volvo Penta MD22L

• Engine Family: TMD, MD

⚙️ Key Features

• 3 applications across TMD and MD engines
• Supersedes 859864, catalogued earlier as a thermostat housing
• Cooling system joint seal

🔌 Function

Seals the joint at the thermostat housing against coolant leakage.

⚠️ Common Signs of Failure

• Coolant weeping or dripping at the housing joint
• Coolant level falling with staining around the housing
• Gasket found hard, crushed or torn on removal
• Joint that will not stop weeping after retightening

🛠️ Service Notes

• The number it supersedes was listed as the housing, so confirm whether you need the gasket alone or the housing as well
• Clean both faces, check the housing for distortion and corrosion, and refill and pressure-test after fitting

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 861582 → Supersedes 859864 → Supersedes 859781

OEM / Related Numbers

• 859864 earlier number superseded by this part
• 859781 earlier number superseded by this part

📦 Condition

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