3835811 Insert | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta insert from the Cooling System group, weighing 14.97 kg and listed for 8 applications on TAMD series engines. It supersedes part number 3826781. At almost 15 kg this is the internal core element rather than a small fitting.

🚤 Compatibility

Typically suits:

• Volvo Penta TAMD75P-A
• Volvo Penta TAMD74P-A
• Volvo Penta TAMD74P-B
• Volvo Penta TAMD74A
• Volvo Penta TAMD74C-A
• Volvo Penta TAMD74C-B
• Volvo Penta TAMD74L-A
• Volvo Penta TAMD74L-B

• Engine Family: TAMD

⚙️ Key Features

• 14.97 kg
• Supersedes 3826781
• 8 applications on TAMD series engines
• Cooling System group

🔌 Function

Forms the internal heat transfer core inside its housing, keeping the two circuits separate while passing heat between them.

⚠️ Common Signs of Failure

• Cooling performance falling off under load
• Coolant or oil loss with no visible external leak
• Cross-contamination between the two circuits
• Tubes furred, scaled or blocked with debris
• Corrosion pitting or splits in the tube walls

🛠️ Service Notes

• A 15 kg core needs careful handling, as the tubes are easily damaged out of the housing
• Renew all the o-rings and end seals with the insert, and pressure test after assembly
• As the replacement for 3826781, compare the length and end details with the old core

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3835811 → Supersedes 3826781

OEM / Related Numbers

• 3826781 earlier number superseded by this part

📦 Condition

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