861575 Tensioner | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta tensioner from the Engine group, weighing 0.429 kg and listed for 9 applications across TMD, MS, TAMD and MD series engines. It supersedes part number 859771.

🚤 Compatibility

Typically suits:

• Volvo Penta TMD22A
• Volvo Penta TMD22B
• Volvo Penta TMD22P-C
• Volvo Penta MS2B-A
• Volvo Penta TAMD22P-B
• Volvo Penta MD22
• Volvo Penta MD22A
• Volvo Penta MD22L
• Volvo Penta MD22P

• Engine Family: TMD, MS, TAMD, MD

⚙️ Key Features

• 0.429 kg
• 9 applications across TMD, MS, TAMD and MD engines
• Supersedes 859771

🔌 Function

Holds the belt drive at its working tension and takes up the slack as the belt beds in.

⚠️ Common Signs of Failure

• Belt squeal on start-up or when load is applied
• Belt slack, flapping or tracking off the pulleys
• Tensioner stiff, seized or rattling in its pivot
• Bearing rough or noisy when turned by hand
• Belt dust and rubber deposits around the run

🛠️ Service Notes

• Renew the belt with the tensioner and check the pulleys in the same run for wear
• Set the tension after fitting and check it again once the engine has run and the belt has bedded in

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 861575 → Supersedes 859771

OEM / Related Numbers

• 859771 earlier number superseded by this part

📦 Condition

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