22291220 Actuator | Genuine Volvo Penta Part

🔧 Product Description

Electronic actuator superseding 21894836 and earlier reference 20802121. It operates an emissions or air-handling mechanism in the D7 industrial engine system.

⚙️ Key Features

• Supersession chain through 21894836 and 20802121
• Electronic controlled movement
• Position-feedback capability
• Industrial engine emissions duty
• Software and
• Engine type: 6-cylinder turbocharged industrial diesel

🔌 Function

Moves the assigned emissions-control or intake-air mechanism and reports its position to the engine controller.

⚠️ Common Signs of Failure

• Actuator position fault
• Engine derate or emissions alarm
• Incomplete travel
• Excess current draw
• Damaged linkage or connector

🛠️ Service Notes

• Note the fitted position and any linkage settings before removal, so the new unit can be set up the same way
• Isolate the batteries, and relieve any pressure in the system, before disconnecting an actuator
• Check the linkage, pivots and mountings move freely; a stiff or seized mechanism will kill a new actuator as surely as it killed the old one
• Fit it so it works through its full travel without binding and reaches both end positions properly, with the connector seated dry and locked
• Some actuators need calibration or a learning procedure with Volvo Penta diagnostic equipment before they will operate correctly, so check what your engine requires

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 22291220 → Supersedes 21894836 → Supersedes 20802121 → Supersedes 20799402

OEM / Related Numbers

• 21894836 earlier number superseded by this part
• 20802121 earlier number superseded by this part
• 20799402 earlier number superseded by this part

📦 Condition

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