20858926 Washer | Genuine Volvo Penta Part

🔧 Product Description

Application-specific Washer used in the engine bracket, bushing and support assembly on the listed Volvo Penta engines. Distributes fastener load, protects the mating surface and maintains the designed installed spacing.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD550GE
• Volvo Penta TAD551GE
• Volvo Penta TAD734GE
• Volvo Penta TAD750GE
• Volvo Penta TAD751GE
• Volvo Penta TAD752GE
• Volvo Penta TAD753GE
• Volvo Penta TAD754GE

• Engine Family: TAD
• HP Range: Approximately 180-250 HP
• Year Range: Approximately 2004 - 2015

⚙️ Key Features

• Genuine Volvo Penta Washer
• Designed for the engine bracket, bushing and support assembly
• Distributes fastener load, protects the mating surface and maintains the designed installed spacing
• Engine type: 6-litre six-cylinder turbocharged diesel
• 2 used per assembly

🔌 Function

Distributes fastener load, protects the mating surface and maintains the designed installed spacing.

⚠️ Common Signs of Failure

• The fastener working loose and the joint losing its clamp load
• The washer found dished, cracked or bedded into the mating face
• Bright fretting marks or corrosion under the washer on removal
• A rattle or knock from the assembly the fastener holds together

🛠️ Service Notes

• Confirm thread, length, strength grade and any single-use restriction against the exact application.
• Clean the threads and use the specified torque, angle and locking method.

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 20858516 - support brackets
• 20857860 - support brackets
• 20858528 - mounting stud
• 20858657 - graded bushings
• 20858666 - graded bushings
• 20858674 - graded bushings
• 20858610 - rubber hose
• 20590012 - related engine support bracket

Other-Brand OEM Numbers

• VOE20858926 - Volvo Construction Equipment prefixed number format

📦 Condition

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