1699579 Pump Element | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta pump element for the fuel system, the precision plunger and barrel assembly that generates injection pressure within the injection pump. It is listed for the TWD630ME and TWD630VE industrial and generator-set engines.

🚤 Compatibility

Typically suits:

• Volvo Penta TWD630ME
• Volvo Penta TWD630VE

• Engine Family: TWD

⚙️ Key Features

• High-pressure diesel plunger-and-barrel element
• Designed for a specific Volvo Penta mechanical injection-pump calibration
• Controls the fuel quantity delivered to one cylinder
• Requires a clean-room diesel-injection workshop environment
• Pump delivery and phasing must be recalibrated after replacement
• Engine type: Pump-specific Volvo Penta diesel applications

🔌 Function

The pump element compresses a metered charge of fuel to injection pressure as the plunger sweeps its barrel, delivering it to the delivery valve. The precision fit between plunger and barrel is what allows very high pressures to be generated without leakage.

⚠️ Common Signs of Failure

• Hard starting, low power or a cylinder not contributing
• Smoke or uneven running under load
• Loss of injection pressure or reduced fuel delivery
• Wear, scoring or seizure marks on the plunger and barrel
• Fuel dilution of the engine oil from internal leakage

🛠️ Service Notes

• The plunger and barrel are lapped as a matched pair — handle and fit them as a set, and never mix parts between elements
• Absolute cleanliness and clean fuel only: handle the lapped surfaces with clean hands or clean fuel, never with rag or anything abrasive, and do not let the working surfaces touch anything that can mark them
• Check the element slides freely and fully through its bore before assembly; a tight spot means contamination or damage, not something to be worked in
• Keep the element's index or timing marks and any shims, and set delivery timing and calibration by the workshop manual procedure for your pump — a pump with a new element has to be set up, not just assembled
• Have the work done on proper fuel injection test equipment where your pump calls for it, then vent and prime the fuel system before starting

🔄 Supersession & Cross Reference

Other-Brand OEM Numbers

• Bosch: 2 418 455 246

📦 Condition

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