20801089 Hollow Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Oil-System Hollow Screw - Part Number: 20801089

Application-specific Oil-System Hollow Screw used in the engine lubricating and oil-drain pump assembly on the listed Volvo Penta engines. Provides a drilled banjo-style fluid connection that secures the fitting while allowing oil, fuel or coolant to pass through its internal port.

⚙️ Key Features

• Genuine Volvo Penta Oil-System Hollow Screw

• Direct service replacement for part number 20801089

• Designed for the engine lubricating and oil-drain pump assembly

• Provides a drilled banjo-style fluid connection that secures the fitting while allowing oil, fuel or coolant to pass through its internal port

• Catalogued for D5A-B TA; TAD520VE

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20801089 (Volvo Penta OEM reference)

OEM / Related Numbers:

• VOE20801089 - Volvo Construction Equipment prefixed number format

• 3827475 - oil drain pump

• 20798507 - oil-drain hose

• 20551704 - nipple

• 3838616 - attaching clamp

• 3838605 - support bracket

• 888723 - spacer sleeve

• 20801215 - O-ring

• 20801234 - spacer

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D5A/TAD520 lubricating-system installations

Typically suits:

• Engine models:

• D5A-B TA

• TAD520VE

• HP Range: Approximately 150HP - 180HP

• Engine Type: 4.8-litre four-cylinder turbocharged industrial diesel

• Year Range: Approximately 1999 - 2007

🔌 Function

Provides a drilled banjo-style fluid connection that secures the fitting while allowing oil, fuel or coolant to pass through its internal port.

Common signs of failure:

• Fuel, oil, coolant, boost-air or vapour leakage at the joints or pipe wall

• Cracks, fretting or fatigue around bends, clamps and brazed fittings

• Internal restriction from corrosion, carbon, sludge or contamination

• Chafing, vibration marks or contact with adjacent components

• Pressure, temperature, fuelling or ventilation faults caused by reduced flow

Service / Installation Notes:

• Renew all disturbed sealing washers, O-rings, grommets and clamps.

• Confirm the line is naturally aligned before tightening; do not pull it into position with the fasteners.

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging