20405888 Gasket | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta gasket sealing the oil-pump suction or adjoining front-cover housing on TAD530GE, TAD531GE and TAD532GE engines. It is installed beside suction pipe 20405635 and the front-cover assembly.

🚤 Compatibility

• Engine Family: D, TD, TAD, MD
• Serial Range: SN-5311164826

Full model list at the end of this description.

⚙️ Key Features

• Oil-resistant gasket for the pump inlet / front-cover joint
• Confirmed with suction pipe 20405635
• Used beside front covers 20882047 or the applicable serial replacement
• Prevents oil leakage and air entry into the pump suction circuit
• Mating faces must be clean and flat
• Engine type: Volvo Penta 5-litre four-cylinder industrial diesel
• Also supersedes Volvo part numbers 20485257, 20820918, 20820930 and 21044484

🔌 Function

Seals the oil-pump suction and front-cover joint so the pump receives an airtight oil supply.

⚠️ Common Signs of Failure

• Low or delayed oil pressure
• Oil leakage at the front cover
• Oil-pump cavitation from air entry
• Gasket torn or extruded
• Repeated leakage from distorted mating faces

🛠️ Service Notes

• Fit a new gasket every time the joint is disturbed — a gasket takes a permanent set once it has been torqued and will not seal reliably a second time
• Scrape both faces back to clean bare metal, keeping the blade at a shallow angle so it lifts the old material without gouging the surface, and use a plastic scraper on aluminium castings
• Check the faces for flatness, cracks and corrosion pitting, and make sure no old gasket, carbon or hardened sealant is left in the corners or around the bolt holes
• Fit the gasket dry unless the workshop manual for your engine calls for a sealant, and then only the type it specifies — surplus sealant squeezes out into oil, coolant and fuel passages
• Draw the fasteners down progressively in the sequence and to the torque given in the manual for your engine, and recheck after the first heat cycle where the manual asks for it

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 20405888 → Supersedes 11700391

OEM / Related Numbers

• 21470762 earlier number superseded by this part
• 11700391 earlier number superseded by this part
• 20405635 - oil-pump suction pipe
• 20882047 - front cover
• 20405603 - locating spring pin
• 20412324 - related flange screws
• 984735 - related flange screws

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D7A-B TA, D7A-T, D7A-TA, D7C-B TA, D7C-TA
• Volvo Penta D5A-B TA, D5A-T, D5A-TA
• Volvo Penta MD2010, MD2010B
• Volvo Penta TAD520GE, TAD520VE
• Volvo Penta TAD530GE MECH, TAD530GE EDC4
• Volvo Penta TAD531GE MECH, TAD531GE EDC4
• Volvo Penta TAD720GE, TAD720VE
• Volvo Penta TAD721GE, TAD721VE
• Volvo Penta TAD722GE, TAD722VE
• Volvo Penta TAD730GE MECH, TAD730GE EDC4
• Volvo Penta TAD731GE MECH, TAD731GE EDC4
• Volvo Penta TAD750GE, TAD750VE
• Volvo Penta TD520GE, TD520VE
• Volvo Penta TD720GE, TD720VE PP
• Volvo Penta TAD420VE
• Volvo Penta TAD532GE EDC4
• Volvo Penta TAD550GE
• Volvo Penta TAD551GE
• Volvo Penta TAD620VE
• Volvo Penta TAD650VE
• Volvo Penta TAD660VE
• Volvo Penta TAD732GE EDC4
• Volvo Penta TAD733GE EDC4
• Volvo Penta TAD751GE
• Volvo Penta TAD760VE
• Volvo Penta TD420VE