21506990 Charge Air Pipe | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D13B-B MP Charge Air Pipe - Part Number: 21506990

A formed charge-air pipe used in the cooling and intake-air system of the Volvo Penta D13B-B MP marine engine.

⚙️ Key Features

• Genuine Volvo Penta charge-air pipe

• Designed for D13 marine boost pressure

• Correct factory flange and hose positions

• Works with charge-air cooler 3889640

• Maintains unrestricted compressed-air flow

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21506990 (current catalogued reference)

OEM / Related Numbers:

• 3889640 - charge-air cooler

• 3875281 and 21163942 - support brackets

• 3808387 and 22288438 - connector references

• 3812484 - O-ring

Aftermarket / Verified Equivalents:

• No direct formed aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D13B-B MP charge-air cooling systems

Typically suits:

• Engine models:

• D13B-B MP

• HP Range: Engine-rating dependent

• Engine Type: D13 inline-six turbocharged marine diesel

• Year Range: Charge-air system and engine-serial dependent

🔌 Function

Carries turbocharger-compressed air through the charge-air cooler or toward the engine intake.

Common signs of failure:

• Boost leakage or hissing

• Oil mist around a joint

• Reduced engine power

• Underboost diagnostic fault

• Cracked pipe or damaged flange

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging