21086352 Fuel Pipe | Genuine Volvo Penta Part

🔧 Product Description

A genuine Volvo Penta formed fuel pipe used in the TAD734GE engine-mounted fuel-pump circuit. It is a separate line from 21086311 and follows its own defined route within the pump and filter assembly. The original pipe geometry is important for maintaining clearance, avoiding vibration-induced fatigue and allowing the sealing faces to seat without bending load.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD734GE

• Engine Family: TAD

⚙️ Key Features

• Genuine TAD734GE engine fuel-pump pipe
• Application-specific routing and connection orientation
• Rigid line prevents expansion and maintains stable fuel delivery
• Designed to work with the original pump, fittings and sealing washers
• Must be installed clean and free from internal debris or corrosion
• Engine type: Electronically controlled inline-six industrial/generator diesel

🔌 Function

Transfers fuel through the assigned section of the TAD734GE low-pressure fuel circuit while maintaining a sealed and vibration-resistant connection between components.

⚠️ Common Signs of Failure

• Fuel leakage or wetness at the connections
• Hard starting after the engine has stood
• Visible fretting or chafe damage
• Pipe cracking close to a bend or fitting
• Fuel restriction caused by internal contamination or deformation

🛠️ Service Notes

• Work clean: cap or plug every open union and injector as soon as it is disconnected, and fit the new pipe straight from its packaging — dirt introduced at a fuel joint is the most common cause of trouble afterwards
• Offer the pipe up so it lines up on both unions without strain, and never bend, twist or reshape a pipe to make it fit; a pipe that has been sprung into place fatigues and cracks in service
• High-pressure delivery pipes are treated as single-use in workshop practice — the union faces seal by deforming, so refit new pipes rather than reusing them, and tighten to the figure and sequence in the workshop manual for your engine
• Refit all original support clips and brackets in their proper positions so the pipe cannot chafe or vibrate against surrounding parts
• Bleed the system, then check the joints for leaks with the engine running and again once warm — never search for a diesel leak by hand, since fuel at injection pressure will penetrate skin

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 21086311 - companion fuel pipe in the same engine fuel system
• 20460400 - hollow screw used at the associated connection
• 947622 - sealing gasket for the banjo joint
• 20799255 - associated nipple
• 21770132 - connector or adapter-sleeve revisions used by specified serial ranges
• 21090712 - connector or adapter-sleeve revisions used by specified serial ranges

📦 Condition

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