This is the Akai pitch and modulation wheel assembly used on select MPC Key and MPK keyboards. It replaces worn, broken, or inconsistent wheels and restores smooth control. Akai OEM part number: 1ATWPT151064602.
Compatibility
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Fits many versions of the Akai MPC Key and MPK series. 
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Model revisions vary by production run. Some units will accept this assembly as direct fit. Others may require small adjustments. 
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You may need to modify the mounting or bracket to match your keyboard’s internal layout. 
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In some models the on-board potentiometer must be removed and you will reuse the original potentiometer from your unit. 
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Connector orientation can vary by revision. If pins do not match your harness, you may need to re-pin the connector or use your original harness. 
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Compare the photos and your original part before installation. If your current part number matches 1ATWPT151064602 you are in the best shape. 
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Other wheel assemblies used on older revisions have been discontinued. This is the currently available Akai option. 
What is included
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Pitch/mod wheel assembly (wheel mechanism with attached board and potentiometer as supplied by Akai) 
 
 
                     
                     
                     
                 
                