20405083 Suction Pipe | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Engine Oil Pump Suction Pipe - Part Number: 20405083

Genuine Volvo Penta oil-pump suction pipe used on D9-family engines. It draws engine oil from the sump pickup to oil pump 21736639 and must remain completely airtight to prevent pump cavitation.

⚙️ Key Features

• Rigid low-pressure oil-pump inlet pipe

• Confirmed on D9A2A, D9A-MH, TAD940GE and TAD941GE

• Connects the sump pickup to oil pump 21736639

• Uses sealing ring 20451487 where specified

• Must be free of cracks, restrictions and air leaks

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20405083 - current Volvo Penta oil-suction pipe reference

OEM / Related Numbers:

• 21736639 - related oil pump

• 20451487 - related suction-pipe seal

Aftermarket / Verified Equivalents:

• None confirmed

🚤 Compatibility

Commonly used on:

• Volvo Penta D9 oil-pump suction systems

Typically suits:

• Engine / equipment models:

• D9A2A

• D9A-MH

• TAD940GE

• TAD941GE

• Engine Type: Volvo Penta 9-litre diesel

• Year / Serial Range: Oil-sump and pump arrangement dependent

🔌 Function

Draws lubricating oil from the sump to the oil-pump inlet without allowing air to enter the pump.

Common signs of failure:

• Low or delayed oil pressure after starting

• Oil-pump cavitation or aerated oil

• Cracked or loose suction pipe

• Blocked pickup or restricted pipe

• Damaged seal allowing air entry

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging