22718894 Relay | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta relay from the Starting System group, weighing 0.281 kg and listed for five TAD series engine applications. It supersedes part number 20797920 and its fitment is serial-controlled.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD550GE
• Volvo Penta TAD551GE
• Volvo Penta TAD734GE
• Volvo Penta TAD750GE
• Volvo Penta TAD751GE

• Engine Family: TAD
• Serial Range: SN11893845-

⚙️ Key Features

• For engines from serial number 11893845 onwards
• 0.281 kg
• Five TAD series engine applications
• Supersedes 20797920

🔌 Function

Switches the heavy starting current on a small control signal, so the starter is fed without that load passing through the switch circuit.

⚠️ Common Signs of Failure

• A single click with no crank, or nothing at all when the key is turned
• Cranking that works intermittently, often better when the relay is tapped
• Contacts burnt or welded, so the starter stays engaged
• Terminals discoloured, corroded or hot to the touch after cranking
• A burnt smell, or a cracked or melted case

🛠️ Service Notes

• Check the engine serial number against the breakpoint before ordering
• Check battery condition, main earths and the heavy cable terminations before condemning the relay - the same symptoms come from a bad connection

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 22718894 → Supersedes 20797920

OEM / Related Numbers

• 20797920 earlier number superseded by this part

📦 Condition

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