20851223 Hexagon Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Hexagon Screw - Part Number: 20851223

Application-specific Hexagon Screw used in the engine coolant hose, pipe and heat-shield assembly on the listed Volvo Penta engines. Secures the associated component using the specified threaded connection and clamp load.

⚙️ Key Features

• Genuine Volvo Penta Hexagon Screw

• Direct service replacement for part number 20851223

• Designed for the engine coolant hose, pipe and heat-shield assembly

• Secures the associated component using the specified threaded connection and clamp load

• Catalogued for D6E; TAD650VE; TAD660VE

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20851223 (Volvo Penta OEM reference)

OEM / Related Numbers:

• VOE20851223 - Volvo Construction Equipment prefixed number format

• 20834409 - coolant pump

• 20997647 / 21417491 - later coolant pumps

• 20834438 - water-pump O-ring

• 20851196 / 20851197 - hose assemblies

• 20858610 - rubber hose

• 20856724 / 20857215 - heat shields

• 20857860 - support bracket

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D6E/TAD650/TAD660 coolant and hose installations

Typically suits:

• Engine models:

• D6E

• TAD650VE

• TAD660VE

• HP Range: Approximately 180HP - 250HP

• Engine Type: 6-litre six-cylinder turbocharged diesel

• Year Range: Approximately 2004 - 2015

🔌 Function

Secures the associated component using the specified threaded connection and clamp load.

Common signs of failure:

• Rounded, stripped or damaged threads or drive surfaces

• Corrosion, stretching, cracking or permanent deformation

• Fastener repeatedly loosens or cannot retain specified torque

• Fretting or movement visible at the clamped joint

• Incorrect seating, clamp load or component alignment

Service / Installation 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.

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging