20816389 Adjusting Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Adjusting Screw - Part Number: 20816389

Application-specific Adjusting Screw used in the fuel-filter housing and low-pressure fuel supply assembly on the listed Volvo Penta engines. Provides a controlled mechanical adjustment and retains the specified setting once secured.

⚙️ Key Features

• Genuine Volvo Penta Adjusting Screw

• Direct service replacement for part number 20816389

• Designed for the fuel-filter housing and low-pressure fuel supply assembly

• Provides a controlled mechanical adjustment and retains the specified setting once secured

• Catalogued for TAD650VE; TAD660VE; TAD750GE; TAD750VE

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20816389 (Volvo Penta OEM reference)

OEM / Related Numbers:

• VOE20816389 - Volvo Construction Equipment prefixed number format

• 20805349 - spin-on fuel filter

• 20798139 - filter-housing cover

• 20799087 - cover screw

• 20818370 - housing bushing

• 20898038 / 21302639 - fuel pressure sensors

• 20914974 - later fuel-filter housing

• 20450801 - flange screw

• 11700269 - retaining screw

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta TAD650/TAD660/TAD750 low-pressure fuel systems

Typically suits:

• Engine models:

• TAD650VE

• TAD660VE

• TAD750GE

• TAD750VE

• HP Range: Approximately 180HP - 300HP

• Engine Type: 6- to 7-litre six-cylinder turbocharged diesel

• Year Range: Approximately 2004 - 2015

🔌 Function

Provides a controlled mechanical adjustment and retains the specified setting once secured.

Common signs of failure:

• Rounded, stripped or damaged threads or drive surfaces

• Corrosion, stretching, cracking or permanent deformation

• Fastener repeatedly loosens or cannot retain specified torque

• Fretting or movement visible at the clamped joint

• Incorrect seating, clamp load or component alignment

Service / Installation Notes:

• Confirm thread, length, strength grade and any single-use restriction against the exact application.

• Clean the threads and use the specified torque, angle and locking method.

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging