866170 Rubber Bellows | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta rubber bellows from the Engine Controls group, weighing 0.027 kg and listed for 9 applications across TWD, TID and TD series engines. It supersedes part number 834668.

🚤 Compatibility

Typically suits:

• Volvo Penta TWD710G
• Volvo Penta TWD1010G
• Volvo Penta TWD1210G
• Volvo Penta TWD1211G
• Volvo Penta TID71AG
• Volvo Penta TD710G
• Volvo Penta TD71AG
• Volvo Penta TD1210G
• Volvo Penta TD1010G

• Engine Family: TWD, TID, TD

⚙️ Key Features

• 0.027 kg
• 9 applications across TWD, TID and TD series engines
• Supersedes 834668
• Engine Controls group

🔌 Function

Seals around a moving control shaft or rod, keeping water and dirt out while stretching and folding with the movement.

⚠️ Common Signs of Failure

• Bellows split, torn or with the convolutions perished
• Rubber gone hard, glazed and crazed with fine cracks
• Water, salt or dirt found behind the bellows
• The control it protects stiffening, sticking or corroding
• Bellows pulled off its seat or its retaining clip missing

🛠️ Service Notes

• Clean and inspect the shaft or rod it covers while the bellows is off - a split bellows usually means the part behind it has already taken water
• Check the retaining clips or bands and renew them with the bellows

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 866170 → Supersedes 834668

OEM / Related Numbers

• 834668 referenced in the part notes

📦 Condition

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