20886239 Manifold | Genuine Volvo Penta Part

🔧 Product Description

A genuine Volvo Penta manifold that combines or distributes the specified air, fuel, oil or coolant flow through internally machined passages. The port spacing and internal drilling match the connected components and preserve balanced flow across the system.

⚙️ Key Features

• Genuine Volvo Penta Distribution Manifold - part number 20886239
• Application-specific port number and spacing
• Internal galleries sized for the assigned flow
• Machined sealing faces for each connected line or component
• Rigid body supports multiple connections without line strain
• Provides the specified sensor, regulator or plug locations where applicable
• All passages must remain clean and capped before installation
• Engine type: Application-specific Volvo Penta air-intake and exhaust system

🔌 Function

The manifold provides a common chamber and multiple controlled outlets or inlets. It distributes flow to the connected branches or combines return flow while reducing the number of separate external connections.

⚠️ Common Signs of Failure

• Leakage at a port or body casting
• Blocked internal gallery
• Cracked thread or sealing seat
• Uneven system flow between branches
• Contamination trapped in the manifold after a component failure

🛠️ Service Notes

• A manifold is a distribution casting, so every port and joint has to seal — renew all gaskets, seals and sealing washers on refitting rather than reusing the old ones
• Clean both mating faces back to bare metal and check the flanges for flatness, cracks and corrosion pitting; a distorted flange will not pull down onto a new gasket
• Make sure the internal passages are clear of scale, carbon and debris before fitting, and blank the open ports while the manifold is off the engine
• Draw the fasteners down progressively in the sequence and to the torque given in the workshop manual for your engine, then recheck after the first heat cycle if the manual asks for it
• On any manifold carrying raw water or exhaust gas, inspect the internal waterways at the same time — these castings corrode from the inside out and can look sound outside while the passages are wasted

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 20886239 → Supersedes 20412327

OEM / Related Numbers

• 20412327 earlier number superseded by this part

Other-Brand OEM Numbers

• VOE20886239

📦 Condition

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