20450992 O-Ring | Genuine Volvo Penta Part

🔧 Product Description

A genuine Volvo Penta o-ring used in the engine lubrication, hose and cover assembly. It is supplied as an individual service component under part number 20450992 and is intended to restore the original fit, alignment, sealing, support or operating function of the specified assembly. This listing supplies the named part only; adjoining components shown in an parts list for your engine are serviced separately unless explicitly stated.

🚤 Compatibility

• Engine Family: D, TD, TAD, MD

Full model list at the end of this description.

⚙️ Key Features

• 0.005 kg
• For the engine lubrication, hose and cover assembly
• Listed for 21 applications across D, TD, TAD and MD series engines
• The smaller 0.002 kg ring 20450993 serves the same assembly

🔌 Function

Seals a joint in the engine lubrication hose and cover arrangement, containing oil at working pressure where the connection is made.

⚠️ Common Signs of Failure

• Oil misting or dripping from the hose or cover joint
• Oil pressure gauge reading slightly low at idle when the joint leaks
• Oily film spreading across the cover and down the block
• Ring found hardened, flattened or nicked on removal

🛠️ Service Notes

• Two sizes serve this assembly - 20450992 at 0.005 kg and 20450993 at 0.002 kg - so identify the seat before ordering
• Oil-side rings are worth renewing on every disturbance; a reused ring in a pressurised oil joint is the usual cause of a repeat leak

📦 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 TAD420VE
• Volvo Penta TAD520VE
• Volvo Penta TAD620VE
• Volvo Penta TAD650VE
• Volvo Penta TAD660VE
• Volvo Penta TAD720VE
• Volvo Penta TAD721VE
• Volvo Penta TAD722VE
• Volvo Penta TAD750VE
• Volvo Penta TAD760VE
• Volvo Penta TD420VE