20971646 Oil Return Pipe | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Turbocharger / Compressor Oil Return Pipe - Part Number: 20971646

Formed fluid or air-transfer component used in the tad650ve/tad660ve oil, coolant, intake or auxiliary installation. It maintains the original bore, routing, connection geometry and service clearance.

⚙️ Key Features

• Complete turbine, compressor and centre-housing assembly

• Matched to the original engine air-flow and boost requirements

• Compatible with the specified oil-feed, drain, exhaust and charge-air connections

• Supports rated power and exhaust-smoke control

• Requires clean oil supply, unrestricted drain and priming before first start

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20971646 (OEM catalogue reference)

OEM / Related Numbers:

• Associated Volvo Penta components specified for the exact engine product and serial number

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• TAD650VE/TAD660VE oil, coolant, intake or auxiliary installation

Typically suits:

• Engine models:

• TAD650VE; TAD660VE

• HP Range: Approximately 220-260 HP, depending on rating

• Engine Type: 7 L six-cylinder common-rail industrial diesel

• Year Range: Approximately 2000s-2010s

🔌 Function

Transfers the specified oil, fuel, coolant, air or vapour between components while preserving the original routing and flow area.

Common signs of failure:

• Reduced boost pressure, power loss or slow acceleration

• Black exhaust smoke or elevated exhaust temperature

• Oil leakage into the compressor or turbine housing

• Whistling, scraping or siren-like noise

• Excessive shaft movement or damaged compressor/turbine blades

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging