20970992 Inlet Manifold | Genuine Volvo Penta Part

🔧 Product Description

Genuine service component used in the tad16 charge-air distribution and inlet-manifold system. It restores the original Volvo Penta fit, dimensions and operating relationship. Application note: These manifold numbers are configuration-specific; match the exact TAD16 product, emissions level and serial number.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD1650VE-B/51VE
• Volvo Penta TAD1643VE-B
• Volvo Penta TAD1640-42GE-B
• Volvo Penta TAD1670-72VE
• Volvo Penta TAD1640-42VE-C

• Engine Family: TAD
• HP Range: Approximately 750 HP
• Year Range: Approximately 2000s-2020s

⚙️ Key Features

• Inlet manifold, 8.421 kg
• Listed for 5 TAD-series applications
• For TAD16 engines
• The closely related manifold 20970998 weighs 8.255 kg and is listed from serial number 2016010025 onwards

🔌 Function

Distributes charge air from the cooler to each cylinder head port, holding an even supply across the bank.

⚠️ Common Signs of Failure

• Whistle or hiss under load where a joint has let go
• Power loss and black smoke with charge pressure down
• Soot tracking at a manifold or port joint face
• Cracks around a flange or a mounting boss
• Flange face distorted so a new gasket will not seal

🛠️ Service Notes

• Configuration-specific: match the exact TAD16 product, emissions level and engine serial number before ordering
• Renew the manifold gaskets and check the flange faces for flatness when fitting

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 20563945 manifold sealing ring

📦 Condition

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