20460291 Nozzle | Genuine Volvo Penta Part

🔧 Product Description

Precision nozzle element used inside the TAD721VE injector to establish the specified opening behaviour and fuel spray pattern.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD721VE

• Engine Family: TAD
• HP Range: Approximately 265 HP
• Year Range: Approximately 1999 - 2005

⚙️ Key Features

• Genuine Volvo Penta injector nozzle element
• Designed for the mechanical diesel fuel-injection system - stage 1 / tier 1
• Direct service replacement for Volvo Penta part number 20460291
• Precision nozzle element used inside the TAD721VE injector to establish the specified opening behaviour and fuel spray pattern
• Six nozzle elements are used when servicing the complete injector set
• Engine type: 7.2-litre six-cylinder turbocharged industrial diesel

🔌 Function

Meters and atomises high-pressure diesel fuel into the combustion chamber with the specified opening pressure and spray pattern.

⚠️ Common Signs of Failure

• Hard starting or extended cranking, particularly when cold
• Uneven idle, cylinder misfire or diesel knock
• Dribbling, poor atomisation or incorrect opening pressure during injector testing

🛠️ Service Notes

• Use clean-room fuel-system practices and prevent dirt entering the injector or high-pressure pipe
• Bench-test opening pressure, leakage and spray pattern after assembly and before returning the engine to service
• Nozzle replacement requires injector disassembly, ultrasonic cleaning where appropriate, calibrated assembly and bench testing

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 20460290 - complete injector
• 20405567 - high-pressure fuel pipe
• 11700426 - injector sealing gasket
• 11700424 - injector bracket and retaining screw
• 20405559 - injector bracket and retaining screw
• 20502189 - stage- and serial-specific injector variants; verify before substitution
• 3803948 - stage- and serial-specific injector variants; verify before substitution
• 3801319 - stage- and serial-specific injector variants; verify before substitution
• 20405851 - stage- and serial-specific nozzle variants; not universal substitutes
• 20524235 - stage- and serial-specific nozzle variants; not universal substitutes

Other-Brand OEM Numbers

• VOE20460291 - Volvo Construction Equipment prefixed number format

OEM Reman Alternatives

• 3803957 - Volvo exchange injector
• 20500360 - application injection pump and exchange unit
• 3803967 - application injection pump and exchange unit

📦 Condition

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