858358 Nozzle | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta injector nozzle weighing 0.029 kg and listed for 10 applications across TMD, AD, TAMD and MD series engines. Nozzle 858068 carries exactly the same published weight but only 3 applications and no engine series listing, so the two cannot be told apart by mass - match the engine series and the part number.

🚤 Compatibility

Typically suits:

• Volvo Penta TMD31A
• Volvo Penta TMD31B
• Volvo Penta TMD41A
• Volvo Penta AD31
• Volvo Penta AD31B
• Volvo Penta AD41A
• Volvo Penta TAMD41A
• Volvo Penta TAMD31A
• Volvo Penta TAMD31B
• Volvo Penta MD31A

• Engine Family: TMD, AD, TAMD, MD

⚙️ Key Features

• 0.029 kg
• 10 applications across TMD, AD, TAMD and MD engines
• Shares its published weight with nozzle 858068
• Fuel System group

🔌 Function

Atomises the charge delivered by the injection pump into a fine spray inside the combustion chamber.

⚠️ Common Signs of Failure

• Black smoke and a smell of unburnt diesel
• Knock or rough running from one cylinder
• Hard starting and an uneven idle
• Tip coked, eroded or dribbling instead of spraying
• Opening pressure found low on a nozzle tester

🛠️ Service Notes

• Renew nozzles as a set so all cylinders match
• Check the opening pressure and spray pattern on a tester, and fit a new seat washer

🔄 Supersession & Cross Reference

Other-Brand OEM Numbers

• Bosch: 0 433 171 107

📦 Condition

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