842428 Coolant Pipe | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta coolant pipe from the Inlet and Exhaust System group, weighing 0.41 kg and listed for 8 applications across TAMD, TMD, TAD and TD series engines. It replaces 3802022 and 836986 - the same two numbers exhaust pipe elbow 842423 also lists - and the note ties it to a production-batch breakpoint.

🚤 Compatibility

Typically suits:

• Volvo Penta TAMD120A
• Volvo Penta TAMD120B
• Volvo Penta TMD120B
• Volvo Penta TAD120AHC
• Volvo Penta TAD120BHC
• Volvo Penta TAD120CHC
• Volvo Penta TD120BHC
• Volvo Penta TD120BRC

• Engine Family: TAMD, TMD, TAD, TD
• Serial Range: MO23457/XXXX-

⚙️ Key Features

• 0.41 kg
• 8 applications across four engine series
• Replaces 3802022 and 836986, as does elbow 842423
• Note carries a production-batch breakpoint
• Also supersedes Volvo part number 877029

🔌 Function

Carries coolant across the inlet and exhaust side of the engine between two points in the circuit.

⚠️ Common Signs of Failure

• Coolant weeping or dried traces at a union
• Coolant level dropping with no visible drip
• Pipe corroded, thinned or pin-holed
• Overheating or an unsteady temperature reading
• Chafing where the pipe passes a bracket

🛠️ Service Notes

• Exhaust pipe elbow 842423 replaces the same two old numbers, so confirm which part your engine needs
• The note ties it to a production-batch breakpoint - check against the engine
• Renew the union seals and pressure-test the system after fitting

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 842428 → Supersedes 3802022

📦 Condition

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