11032300 Oil Return Pipe | Genuine Volvo Penta Part

🔧 Product Description

This is a genuine Volvo Penta oil return pipe from the Lubricating and Oil System group, used on the TD164KAE marine diesel engine. It carries oil drained from the turbocharger and upper engine areas back to the sump so that lubricating oil is continuously returned to circulation. This part number replaces the earlier oil pipe 11032042.

🚤 Compatibility

Typically suits:

• Volvo Penta TD164KAE

• Engine Family: TD
• Year Range: Approximately 1990s - 2000s

⚙️ Key Features

• OEM Volvo Penta part number 11032300
• System group: Lubricating and Oil System
• Supersedes and replaces earlier part number 11032042
• Net weight approximately 1.40 kg
• Fits the TD164KAE marine diesel engine
• Engine type: Volvo inline 6-cylinder 16-litre turbo-diesel

🔌 Function

The oil return pipe provides a sealed drain route for pressurised lubricating oil to flow back to the engine sump. It maintains a closed oil circuit and prevents oil accumulating in the turbocharger or upper engine assemblies.

⚠️ Common Signs of Failure

• Oil weeping or dripping from the pipe body, joints or connection flanges
• Cracks, corrosion or physical damage along the pipe from vibration and heat cycling
• Hardened or deteriorated sealing surfaces causing persistent leaks after retightening
• Restricted or blocked return flow leading to turbocharger oil seal leakage or oil in the exhaust
• Falling oil level or oil residue collecting under the engine with no other identifiable source

🛠️ Service Notes

• Always fit new gaskets, O-rings or sealing washers — these joints see hot oil and a reused seal rarely holds
• Check the pipe is clear before it goes back on; if the bore is coked or sludged, renew it rather than trying to clean it out, because a restricted return backs oil up and pushes it past seals
• Route the pipe so it runs downhill to its outlet with no kinks, sags or strain, and do not spring it into place to make the flanges meet
• Clean the sealing faces without scoring them, and tighten the flange or union fasteners evenly to the figure in the workshop manual for your engine — these often thread into alloy and strip easily
• Run the engine up to temperature afterwards and check the joints while hot, since a marginal seal will often only weep once everything has expanded

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 11032300 → Supersedes 11032042

OEM / Related Numbers

• 11032042 earlier number superseded by this part
• 1543360 related gasket
• 981197 related hose nipple
• TAD1630 turbocharger reference
• TAD1631 turbocharger reference

📦 Condition

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