20759473 Fuel Pipe | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Four-Cylinder Fuel Return Pipe - Part Number: 20759473

Application-specific four-cylinder fuel return pipe used in the mechanical injection-pump, injector leak-off and high-pressure fuel piping on the listed Volvo Penta engines. Forms the four-cylinder fuel-return pipe for the D5A mechanical injection arrangement.

⚙️ Key Features

• Genuine Volvo Penta four-cylinder fuel return pipe

• Direct service replacement for part number 20759473

• Designed for the mechanical injection-pump, injector leak-off and high-pressure fuel piping

• Forms the four-cylinder fuel-return pipe for the D5A mechanical injection arrangement

• Jacketed pressure-pipe arrangements use engine-specific serial breaks, including D5A T-A SN 980120-, D5A TA-A SN 991715-, D7A T-A SN 975806-, D7C TA-A SN 977117- and D7A TA-A SN 977118-.

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20759473 (Volvo Penta OEM reference)

OEM / Related Numbers:

• VOE20759473 - Volvo CE prefixed number format

• 20500360 - injection pump

• 3803967 - exchange injection pump

• 888874 - injector

• 888761 - injector nozzle

• 11700426 - injector sealing washer

• 11700424 - pipe retainer/bracket

• 20405559 - six-point screw

• 20405847 - delivery valve

• 888768 / 888875 - leak-off pipes

• 888762 - delivery pipe

• 888766 / 888767 - hollow screws

• 969011 / 947620 - sealing gaskets

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D5A/D7A/D7C mechanical fuel-injection installations

Typically suits:

• Engine models:

• D5A T-A; D5A TA-A; D7A T-A; D7A TA-A

• D7A-B TA; D7C-B TA

• HP Range: Approximately 100HP - 250HP

• Engine Type: Four- and six-cylinder mechanically injected industrial diesel

• Year Range: Approximately 1998 - 2008

• Serial / Production Notes: Jacketed pressure-pipe arrangements use engine-specific serial breaks, including D5A T-A SN 980120-, D5A TA-A SN 991715-, D7A T-A SN 975806-, D7C TA-A SN 977117- and D7A TA-A SN 977118-.

🔌 Function

Forms the four-cylinder fuel-return pipe for the D5A mechanical injection arrangement.

Common signs of failure:

• Fluid, 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 engine components

• System pressure, temperature, fuelling or ventilation faults caused by reduced flow

Service / Installation Notes:

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

• Confirm the pipe 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