20460867 Screw | Genuine Volvo Penta Part

🔧 Product Description

OEM fastening component used in the low-left-mounted 28 v / 140 a alternator installation. It restores the specified thread, length, strength and clamping arrangement required by the original Volvo Penta assembly.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD720VE
• Volvo Penta TAD721VE
• Volvo Penta TAD722VE
• Volvo Penta TAD520VE

• Engine Family: TAD
• Year Range: Approximately late 1990s-2000s

⚙️ Key Features

• Alternative screw, 100 mm long
• 0.038 kg
• For the low-left-mounted 28 V / 140 A alternator installation
• Listed for 4 applications on TAD series engines
• The 0.052 kg screw 20460864 is the other length used in the same installation
• L=100mm (Volvo assembly listing)

🔌 Function

Clamps the alternator or its bracket to the engine, holding the unit at the correct position while the belt is tensioned.

⚠️ Common Signs of Failure

• Alternator shifting on its mount under load
• Belt squeal that comes and goes with engine speed
• Fretting or polished witness marks at the joint faces
• Threads found damaged or the shank found bent on removal

🛠️ Service Notes

• This is the 100 mm long alternative - the wrong length here either bottoms out or leaves too little thread engaged, so measure before ordering
• The 0.052 kg screw 20460864 covers the other position in the same alternator installation

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 20460893 original alternator
• 20580794 later alternator

OEM Reman Alternatives

• 3803960 remanufactured alternator

📦 Condition

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